798 lines
16 KiB
Markdown
798 lines
16 KiB
Markdown
---
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name: food-database-query
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description: Food Database Query
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risk: unknown
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source: community
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---
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# 食物数据库查询技能
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**技能名称**: Food Database Query
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**技能类型**: 数据查询与分析
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**创建日期**: 2026-01-06
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**版本**: v1.0
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---
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## When to Use
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- 需要查询食物营养成分、比较食物差异或做营养计算时使用。
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- 任务涉及食物数据库检索、食物推荐、份量换算或分类筛选。
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- 需要基于结构化食物数据生成分析结果而不是自由文本建议时使用。
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## 技能概述
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本技能提供全面的营养食物数据库查询功能,支持食物营养信息查询、比较、推荐和自动营养计算。
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**核心功能**:
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- ✅ 食物营养信息查询
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- ✅ 食物比较分析
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- ✅ 智能食物推荐
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- ✅ 自动营养计算
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- ✅ 分类浏览和搜索
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- ✅ 份量转换和估算
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---
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## 数据源
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### 主数据库
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- **文件**: `data/food-database.json`
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- **内容**: 50种常见食物的详细营养数据
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- **结构**: 每种食物包含30+营养素指标
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### 分类体系
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- **文件**: `data/food-categories.json`
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- **分类**: 10大类,30+子类
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- **支持**: 按分类浏览和筛选
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---
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## 功能模块
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### 1. 食物查询 (Food Query)
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#### 1.1 精确查询
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**用途**: 根据食物名称查询营养信息
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**支持输入**:
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- 中文名称: "燕麦", "西兰花", "三文鱼"
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- 英文名称: "Oats", "Broccoli", "Salmon"
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- 别名: "燕麦片", "broccoli", "三文鱼肉"
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**查询流程**:
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1. 接收食物名称
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2. 在数据库中搜索匹配项
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3. 支持模糊匹配和别名匹配
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4. 返回完整营养信息
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**返回信息**:
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- 基本信息 (名称、分类、标准份量)
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- 宏量营养素 (卡路里、蛋白质、碳水、脂肪、纤维)
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- 微量营养素 (维生素、矿物质)
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- 特殊营养素 (Omega-3/6、胆碱等)
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- 升糖指数数据
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- 健康标签和适用人群
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- 常见份量
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- 营养优势说明
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**示例**:
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```python
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# 用户输入: "燕麦"
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# 返回:
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{
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"name": "燕麦",
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"name_en": "Oats",
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"category": "谷物类",
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"nutrition_per_100g": {
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"calories": 389,
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"protein_g": 16.9,
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"carbs_g": 66.3,
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"fat_g": 6.9,
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"fiber_g": 10.6,
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# ... 更多营养素
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},
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"health_tags": ["高纤维", "低GI"],
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"glycemic_index": {"value": 55, "level": "低"}
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}
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```
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#### 1.2 模糊搜索
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**用途**: 根据营养特征搜索食物
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**搜索条件**:
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- 营养素含量: "高蛋白", "高纤维", "低GI"
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- 营养素组合: "高蛋白 低卡路里", "高纤维 低GI"
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- 分类筛选: "谷物类", "蔬菜", "蛋白质"
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- 适用人群: "素食友好", "高血压", "糖尿病"
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**搜索逻辑**:
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```python
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# 示例: 搜索"高蛋白 低卡路里"
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def search_foods(criteria):
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results = []
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for food in database:
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protein = food.nutrition_per_100g.protein_g
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calories = food.nutrition_per_100g.calories
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# 定义阈值
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high_protein = protein >= 15 # 每100g≥15g蛋白质
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low_calorie = calories <= 150 # 每100g≤150卡
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if high_protein and low_calorie:
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results.append(food)
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return sorted(results, key=lambda x: x.protein_g, reverse=True)
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```
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**返回格式**:
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- 按匹配度排序
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- 显示关键营养素
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- 标注匹配标签
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#### 1.3 分类浏览
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**用途**: 按食物分类浏览所有食物
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**分类层级**:
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```
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蛋白质来源
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├── 肉类
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├── 禽类
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├── 鱼虾贝类
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├── 蛋类
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├── 豆类
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├── 坚果种子
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└── 乳制品
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```
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**浏览模式**:
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- 列出某分类下所有食物
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- 按营养素排序
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- 按GI值排序
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- 按健康标签筛选
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---
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### 2. 食物比较 (Food Comparison)
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#### 2.1 双食物比较
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**功能**: 比较两种食物的营养差异
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**比较维度**:
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- **宏量营养素**: 卡路里、蛋白质、碳水、脂肪、纤维
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- **微量营养素**: 主要维生素和矿物质
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- **升糖指数**: GI值、升糖负荷
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- **营养密度**: 综合评分
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**计算逻辑**:
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```python
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def compare_foods(food1, food2):
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comparison = {}
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# 宏量营养素差异
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for nutrient in ["calories", "protein_g", "fiber_g"]:
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val1 = food1.nutrition_per_100g[nutrient]
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val2 = food2.nutrition_per_100g[nutrient]
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diff = val1 - val2
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percent = (diff / val2) * 100
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comparison[nutrient] = {
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"food1": val1,
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"food2": val2,
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"difference": diff,
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"percent_change": percent,
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"better": "food1" if diff > 0 else "food2"
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}
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return comparison
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```
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**输出格式**:
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- 对比表格
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- 差异百分比
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- 优势标注
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- 推荐建议
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#### 2.2 多维度比较
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**支持模式**:
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- 全方位营养比较
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- 仅比较特定营养素
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- 仅比较GI值
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- 仅比较特定健康标签
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**示例**: `/nutrition compare 三文鱼 鸡胸肉 营养素`
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---
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### 3. 食物推荐 (Food Recommendation)
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#### 3.1 基于营养素推荐
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**推荐逻辑**:
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```python
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def recommend_by_nutrient(nutrient, min_value=None, max_value=None):
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recommendations = []
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for food in database:
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value = food.nutrition_per_100g[nutrient]
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# 筛选符合条件
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if min_value and value < min_value:
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continue
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if max_value and value > max_value:
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continue
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recommendations.append({
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"food": food,
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"value": value,
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"rda_percent": (value / RDA[nutrient]) * 100
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})
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# 按含量排序
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return sorted(recommendations, key=lambda x: x["value"], reverse=True)
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```
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**推荐类别**:
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- **高蛋白**: ≥15g/100g
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- **高纤维**: ≥5g/100g
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- **低GI**: ≤55
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- **富含维生素C**: ≥50mg/100g
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- **富含Omega-3**: ≥1g/100g
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- **高钙**: ≥100mg/100g
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- **高铁**: ≥3mg/100g
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#### 3.2 多条件推荐
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**支持组合条件**:
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- "高蛋白 低卡路里"
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- "高纤维 低GI"
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- "富含铁 素食友好"
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**排序策略**:
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1. 按第一优先级排序
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2. 筛选符合第二条件的
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3. 综合评分排序
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#### 3.3 基于健康状况推荐
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**高血压 (DASH饮食)**:
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- 低钠食物
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- 高钾食物
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- 高镁、高钙食物
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**糖尿病**:
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- 低GI食物
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- 高纤维食物
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- 低碳水化合物
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**高血脂**:
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- 高Omega-3食物
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- 低饱和脂肪
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- 高纤维食物
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**骨质疏松**:
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- 高钙食物
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- 富含维生素D
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- 高镁、高锌
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**贫血**:
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- 富含铁
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- 富含叶酸
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- 富含维生素B12
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---
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### 4. 自动营养计算 (Auto Nutrition Calculation)
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#### 4.1 食物识别
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**输入解析**:
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```python
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def parse_food_input(text):
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# 示例: "燕麦粥 1杯 + 鸡蛋 1个 + 牛奶 250ml"
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foods = []
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portions = []
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# 识别食物名称
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for item in text.split("+"):
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food_name = extract_food_name(item) # "燕麦粥"
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portion = extract_portion(item) # "1杯"
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# 标准化食物名称
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standard_name = normalize_food_name(food_name) # "燕麦"
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# 查询数据库
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food_data = query_database(standard_name)
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foods.append(food_data)
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portions.append(parse_portion(portion))
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return foods, portions
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```
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#### 4.2 份量转换
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**常见份量**:
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- "1杯": 240ml (液体) 或 重量依据食物
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- "1个": 鸡蛋50g, 苹果150g
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- "1片": 面包30g
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- "100g": 直接使用
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**份量数据库**:
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```json
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{
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"common_portions": [
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{
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"amount": 1,
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"unit": "个",
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"weight_g": 50,
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"description": "1个大号鸡蛋"
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},
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{
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"amount": 1,
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"unit": "杯",
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"weight_g": 240,
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"description": "1杯牛奶"
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}
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]
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}
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```
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#### 4.3 营养计算
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**计算公式**:
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```python
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def calculate_nutrition(food, portion_grams):
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nutrition = {}
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for nutrient, value_per_100g in food.nutrition_per_100g.items():
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# 按100g比例计算
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nutrition[nutrient] = (value_per_100g * portion_grams) / 100
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return nutrition
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```
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#### 4.4 烹饪影响修正
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**考虑因素**:
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- 煮熟后重量变化
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- 维生素损失
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- 营养素保留率
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**示例**:
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- 燕麦生:100g → 煮熟:约300g (3倍重量)
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- 维生素保留: 煮熟保留60-80%
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---
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### 5. 智能搜索 (Smart Search)
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#### 5.1 别名匹配
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**支持同义词**:
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- "燕麦" = "燕麦片" = "oats" = "rolled oats"
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- "西兰花" = "绿花菜" = "broccoli"
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**匹配算法**:
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```python
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def find_food(name):
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# 1. 精确匹配主名称
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if name in database:
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return database[name]
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# 2. 匹配别名
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for food in database:
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if name in food.aliases:
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return food
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# 3. 模糊匹配
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matches = fuzzy_search(name)
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if matches:
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return matches[0]
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return None
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```
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#### 5.2 拼写纠错
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**编辑距离算法**:
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```python
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def fuzzy_search(name, max_distance=2):
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matches = []
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for food in database:
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# 计算编辑距离
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distance = levenshtein_distance(name, food.name)
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if distance <= max_distance:
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matches.append((food, distance))
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# 按距离排序
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return sorted(matches, key=lambda x: x[1])
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```
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---
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## 数据结构
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### 食物数据结构
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```json
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{
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"id": "FD_001",
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"name": "燕麦",
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"name_en": "Oats",
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"aliases": ["燕麦片", "oats", "rolled oats"],
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"category": "grains",
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"subcategory": "whole_grains",
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"standard_portion": {
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"amount": 100,
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"unit": "g",
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"description": "100克"
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},
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"nutrition_per_100g": {
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"calories": 389,
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"protein_g": 16.9,
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"carbs_g": 66.3,
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"fat_g": 6.9,
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"fiber_g": 10.6,
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"sugar_g": 0.99,
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"saturated_fat_g": 1.4,
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"monounsaturated_fat_g": 2.5,
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"polyunsaturated_fat_g": 2.9,
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"trans_fat_g": 0,
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"water_g": 8.9,
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"vitamin_a_mcg": 0,
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"vitamin_c_mg": 0,
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"vitamin_d_mcg": 0,
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"vitamin_e_mg": 1.1,
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"vitamin_k_mcg": 1.9,
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"thiamine_mg": 0.763,
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"riboflavin_mg": 0.139,
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"niacin_mg": 6.921,
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"vitamin_b6_mg": 0.165,
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"folate_mcg": 56,
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"vitamin_b12_mcg": 0,
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"pantothenic_acid_mg": 1.349,
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"biotin_mcg": 0,
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"calcium_mg": 54,
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"iron_mg": 4.72,
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"magnesium_mg": 177,
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"phosphorus_mg": 523,
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"potassium_mg": 429,
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"sodium_mg": 2,
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"zinc_mg": 3.97,
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"copper_mg": 0.526,
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"manganese_mg": 4.916,
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"selenium_mcg": 2.8,
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"iodine_mcg": 0
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},
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"special_nutrients": {
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"omega_3_g": 0.685,
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"omega_6_g": 1.428,
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"choline_mg": 43.4,
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"beta_carotene_mcg": 0,
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"lutein_mcg": 0,
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"zeaxanthin_mcg": 0
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},
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"glycemic_index": {
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"value": 55,
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"level": "低",
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"glycemic_load": 11
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},
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"common_portions": [
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{
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"amount": 30,
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"unit": "g",
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"description": "1/4杯",
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"approximate_volume": "1/4 cup"
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},
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{
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"amount": 40,
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"unit": "g",
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"description": "1/3杯",
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"approximate_volume": "1/3 cup"
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},
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{
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"amount": 200,
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"unit": "ml",
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"description": "煮熟1杯",
|
|
"notes": "煮熟后体积增加"
|
|
}
|
|
],
|
|
|
|
"cooking_effects": {
|
|
"boiling": {
|
|
"weight_change_percent": 200,
|
|
"nutrient_changes": {
|
|
"vitamin_c_retention": 0,
|
|
"b_vitamins_retention": 60
|
|
}
|
|
}
|
|
},
|
|
|
|
"health_tags": ["高纤维", "低GI", "无麸质选项", "心脏健康"],
|
|
|
|
"suitable_for": ["素食者", "高血压", "糖尿病", "高血脂"],
|
|
|
|
"notes": "富含β-葡聚糖,有助于降低胆固醇"
|
|
}
|
|
```
|
|
|
|
---
|
|
|
|
## RDA参考值
|
|
|
|
### 成年男性 (19-50岁)
|
|
|
|
```python
|
|
RDA = {
|
|
# 宏量营养素
|
|
"calories": 2500, # 中等活动水平
|
|
"protein_g": 56,
|
|
"carbs_g": 130, # 最低值
|
|
"fiber_g": 38,
|
|
|
|
# 维生素
|
|
"vitamin_a_mcg": 900,
|
|
"vitamin_c_mg": 90,
|
|
"vitamin_d_mcg": 15,
|
|
"vitamin_e_mg": 15,
|
|
"vitamin_k_mcg": 120,
|
|
"thiamine_mg": 1.2,
|
|
"riboflavin_mg": 1.3,
|
|
"niacin_mg": 16,
|
|
"vitamin_b6_mg": 1.3,
|
|
"folate_mcg": 400,
|
|
"vitamin_b12_mcg": 2.4,
|
|
"pantothenic_acid_mg": 5,
|
|
"biotin_mcg": 30,
|
|
|
|
# 矿物质
|
|
"calcium_mg": 1000,
|
|
"iron_mg": 8,
|
|
"magnesium_mg": 400,
|
|
"phosphorus_mg": 700,
|
|
"potassium_mg": 3400,
|
|
"sodium_mg": 1500, # 上限
|
|
"zinc_mg": 11,
|
|
"copper_mg": 0.9,
|
|
"manganese_mg": 2.3,
|
|
"selenium_mcg": 55
|
|
}
|
|
```
|
|
|
|
### 成年女性 (19-50岁)
|
|
|
|
```python
|
|
RDA_FEMALE = {
|
|
"calories": 2000, # 中等活动水平
|
|
"protein_g": 46,
|
|
"fiber_g": 25,
|
|
"iron_mg": 18, # 育龄期
|
|
# ... 其他略有差异
|
|
}
|
|
```
|
|
|
|
---
|
|
|
|
## 集成功能
|
|
|
|
### 与营养模块集成
|
|
|
|
1. **记录饮食**: 自动查询营养数据
|
|
2. **营养分析**: 基于数据库的精确计算
|
|
3. **营养建议**: 数据驱动的食物推荐
|
|
|
|
### 与健康模块集成
|
|
|
|
1. **高血压**: 推荐DASH饮食友好食物
|
|
2. **糖尿病**: 筛选低GI食物
|
|
3. **高血脂**: 推荐高Omega-3食物
|
|
|
|
### 与运动模块集成
|
|
|
|
1. **运动前后**: 推荐合适的食物
|
|
2. **增肌**: 高蛋白食物推荐
|
|
3. **减脂**: 低卡路里高蛋白食物
|
|
|
|
---
|
|
|
|
## 使用示例
|
|
|
|
### 示例1: 记录早餐
|
|
|
|
**用户输入**:
|
|
```
|
|
/nutrition record breakfast 燕麦粥 1杯 + 鸡蛋 1个 + 牛奶 250ml
|
|
```
|
|
|
|
**系统处理**:
|
|
1. 识别食物: 燕麦、鸡蛋、牛奶
|
|
2. 查询营养数据
|
|
3. 计算份量营养
|
|
4. 汇总整餐营养
|
|
5. 记录到日志
|
|
|
|
**返回结果**:
|
|
```markdown
|
|
✅ 早餐已记录
|
|
|
|
**食物**: 燕麦粥(1杯) + 鸡蛋(1个) + 牛奶(250ml)
|
|
|
|
**营养汇总**:
|
|
- 卡路里: 417 卡
|
|
- 蛋白质: 25.1g
|
|
- 碳水化合物: 48.5g
|
|
- 脂肪: 15.2g
|
|
- 膳食纤维: 8.2g
|
|
|
|
**微量营养素亮点**:
|
|
- 维生素D: 3.1 μg (21% RDA)
|
|
- 钙: 332 mg (33% RDA)
|
|
- 维生素B12: 1.3 μg (54% RDA)
|
|
```
|
|
|
|
### 示例2: 查询食物
|
|
|
|
**用户输入**:
|
|
```
|
|
/nutrition food 三文鱼
|
|
```
|
|
|
|
**返回结果**:
|
|
```markdown
|
|
# 三文鱼 营养信息
|
|
|
|
## 基本信息
|
|
- **名称**: 三文鱼 (Salmon)
|
|
- **分类**: 蛋白质来源 > 鱼虾贝类
|
|
- **标准份量**: 100克
|
|
|
|
## 宏量营养素 (每100克)
|
|
- **卡路里**: 208 卡
|
|
- **蛋白质**: 20g ✅
|
|
- **碳水化合物**: 0g
|
|
- **脂肪**: 13g
|
|
- **Omega-3**: 2.5g ✅✅✅
|
|
|
|
## 营养亮点
|
|
- ✅✅✅ 富含Omega-3脂肪酸 (EPA+DHA)
|
|
- ✅✅ 高质量蛋白质
|
|
- ✅ 富含维生素D (11μg)
|
|
- ✅ 富含维生素B12 (3.2μg)
|
|
|
|
## 健康标签
|
|
- ✅ 高蛋白
|
|
- ✅ 富含Omega-3
|
|
- ✅ 心脏健康
|
|
- ✅ 大脑健康
|
|
|
|
## 推荐份量
|
|
- 100-150g/餐 (每周2-3次)
|
|
```
|
|
|
|
### 示例3: 比较食物
|
|
|
|
**用户输入**:
|
|
```
|
|
/nutrition compare 鸡胸肉 三文鱼
|
|
```
|
|
|
|
**返回结果**:
|
|
```markdown
|
|
# 食物比较: 鸡胸肉 vs 三文鱼
|
|
|
|
## 营养对比 (每100克)
|
|
|
|
| 营养素 | 鸡胸肉 | 三文鱼 | 差异 |
|
|
|--------|--------|--------|------|
|
|
| 卡路里 | 165 | 208 | +26% |
|
|
| 蛋白质 (g) | 31 | 20 | -35% ✅ |
|
|
| 脂肪 (g) | 3.6 | 13 | +261% |
|
|
| Omega-3 (g) | 0.1 | 2.5 | +2400% ✅✅✅ |
|
|
|
|
## 推荐建议
|
|
|
|
**选择鸡胸肉更适合**:
|
|
- ✅ 减脂期间 (低卡高蛋白)
|
|
- ✅ 控制脂肪摄入
|
|
- ✅ 蛋白质需求高
|
|
|
|
**选择三文鱼更适合**:
|
|
- ✅ 心脏健康 (高Omega-3)
|
|
- ✅ 大脑健康 (DHA)
|
|
- ✅ 抗炎需求
|
|
```
|
|
|
|
---
|
|
|
|
## 扩展计划
|
|
|
|
### 短期 (1-2个月)
|
|
- ✅ 完成50种常见食物
|
|
- ⏳ 扩展至100种食物
|
|
- ⏳ 添加更多常见份量
|
|
- ⏳ 优化搜索算法
|
|
|
|
### 中期 (3-6个月)
|
|
- ⏳ 扩展至300种食物
|
|
- ⏳ 添加品牌食品
|
|
- ⏳ 支持用户自定义食物
|
|
- ⏳ 添加食物照片
|
|
|
|
### 长期 (持续)
|
|
- ⏳ 持续更新数据库
|
|
- ⏳ 添加季节性食物
|
|
- ⏳ 集成条形码扫描
|
|
- ⏳ AI食物识别
|
|
|
|
---
|
|
|
|
## 质量保证
|
|
|
|
### 数据准确性
|
|
- 来源: 《中国食物成分表(第6版)》+ USDA
|
|
- 验证: 交叉验证多个来源
|
|
- 更新: 定期更新数据
|
|
|
|
### 功能测试
|
|
- 查询准确性测试
|
|
- 计算精度测试
|
|
- 边界条件测试
|
|
- 性能测试
|
|
|
|
---
|
|
|
|
## 注意事项
|
|
|
|
### ⚠️ 重要限制
|
|
1. **数据范围**: 当前仅覆盖50种常见食物
|
|
2. **烹饪影响**: 数据基于生食/标准烹饪
|
|
3. **个体差异**: 实际营养吸收因人而异
|
|
4. **地域差异**: 不同地区食物营养可能不同
|
|
|
|
### ⚠️ 使用建议
|
|
1. **均衡饮食**: 不要依赖单一食物
|
|
2. **多样化选择**: 轮换不同食物
|
|
3. **适量原则**: 即使健康食物也需适量
|
|
4. **专业指导**: 特殊需求咨询营养师
|
|
|
|
---
|
|
|
|
## 技术实现
|
|
|
|
### 文件位置
|
|
- 数据库: `data/food-database.json`
|
|
- 分类: `data/food-categories.json`
|
|
- 命令: `.claude/commands/nutrition.md`
|
|
- 技能: `.claude/skills/food-database-query/SKILL.md`
|
|
|
|
### 性能优化
|
|
- 数据库索引 (食物名称、分类)
|
|
- 缓存常用查询
|
|
- 模糊搜索优化
|
|
|
|
---
|
|
|
|
**技能版本**: v1.0
|
|
**最后更新**: 2026-01-06
|
|
**维护者**: WellAlly Tech
|
|
|
|
## Limitations
|
|
- Use this skill only when the task clearly matches the scope described above.
|
|
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
|
|
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.
|