Queries nutrition info from a 50-food JSON database with fuzzy search, comparisons, recommendations, category browsing, and calculations. Useful for nutrition analysis features.
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**技能名称**: Food Database Query
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技能名称: Food Database Query 技能类型: 数据查询与分析 创建日期: 2026-01-06 版本: v1.0
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。
核心功能:
data/food-database.jsondata/food-categories.json用途: 根据食物名称查询营养信息
支持输入:
查询流程:
返回信息:
示例:
# 用户输入: "燕麦"
# 返回:
{
"name": "燕麦",
"name_en": "Oats",
"category": "谷物类",
"nutrition_per_100g": {
"calories": 389,
"protein_g": 16.9,
"carbs_g": 66.3,
"fat_g": 6.9,
"fiber_g": 10.6,
# ... 更多营养素
},
"health_tags": ["高纤维", "低GI"],
"glycemic_index": {"value": 55, "level": "低"}
}
用途: 根据营养特征搜索食物
搜索条件:
搜索逻辑:
# 示例: 搜索"高蛋白 低卡路里"
def search_foods(criteria):
results = []
for food in database:
protein = food.nutrition_per_100g.protein_g
calories = food.nutrition_per_100g.calories
# 定义阈值
high_protein = protein >= 15 # 每100g≥15g蛋白质
low_calorie = calories <= 150 # 每100g≤150卡
if high_protein and low_calorie:
results.append(food)
return sorted(results, key=lambda x: x.protein_g, reverse=True)
返回格式:
用途: 按食物分类浏览所有食物
分类层级:
蛋白质来源
├── 肉类
├── 禽类
├── 鱼虾贝类
├── 蛋类
├── 豆类
├── 坚果种子
└── 乳制品
浏览模式:
功能: 比较两种食物的营养差异
比较维度:
计算逻辑:
def compare_foods(food1, food2):
comparison = {}
# 宏量营养素差异
for nutrient in ["calories", "protein_g", "fiber_g"]:
val1 = food1.nutrition_per_100g[nutrient]
val2 = food2.nutrition_per_100g[nutrient]
diff = val1 - val2
percent = (diff / val2) * 100
comparison[nutrient] = {
"food1": val1,
"food2": val2,
"difference": diff,
"percent_change": percent,
"better": "food1" if diff > 0 else "food2"
}
return comparison
输出格式:
支持模式:
示例: /nutrition compare 三文鱼 鸡胸肉 营养素
推荐逻辑:
def recommend_by_nutrient(nutrient, min_value=None, max_value=None):
recommendations = []
for food in database:
value = food.nutrition_per_100g[nutrient]
# 筛选符合条件
if min_value and value < min_value:
continue
if max_value and value > max_value:
continue
recommendations.append({
"food": food,
"value": value,
"rda_percent": (value / RDA[nutrient]) * 100
})
# 按含量排序
return sorted(recommendations, key=lambda x: x["value"], reverse=True)
推荐类别:
支持组合条件:
排序策略:
高血压 (DASH饮食):
糖尿病:
高血脂:
骨质疏松:
贫血:
输入解析:
def parse_food_input(text):
# 示例: "燕麦粥 1杯 + 鸡蛋 1个 + 牛奶 250ml"
foods = []
portions = []
# 识别食物名称
for item in text.split("+"):
food_name = extract_food_name(item) # "燕麦粥"
portion = extract_portion(item) # "1杯"
# 标准化食物名称
standard_name = normalize_food_name(food_name) # "燕麦"
# 查询数据库
food_data = query_database(standard_name)
foods.append(food_data)
portions.append(parse_portion(portion))
return foods, portions
常见份量:
份量数据库:
{
"common_portions": [
{
"amount": 1,
"unit": "个",
"weight_g": 50,
"description": "1个大号鸡蛋"
},
{
"amount": 1,
"unit": "杯",
"weight_g": 240,
"description": "1杯牛奶"
}
]
}
计算公式:
def calculate_nutrition(food, portion_grams):
nutrition = {}
for nutrient, value_per_100g in food.nutrition_per_100g.items():
# 按100g比例计算
nutrition[nutrient] = (value_per_100g * portion_grams) / 100
return nutrition
考虑因素:
示例:
支持同义词:
匹配算法:
def find_food(name):
# 1. 精确匹配主名称
if name in database:
return database[name]
# 2. 匹配别名
for food in database:
if name in food.aliases:
return food
# 3. 模糊匹配
matches = fuzzy_search(name)
if matches:
return matches[0]
return None
编辑距离算法:
def fuzzy_search(name, max_distance=2):
matches = []
for food in database:
# 计算编辑距离
distance = levenshtein_distance(name, food.name)
if distance <= max_distance:
matches.append((food, distance))
# 按距离排序
return sorted(matches, key=lambda x: x[1])
{
"id": "FD_001",
"name": "燕麦",
"name_en": "Oats",
"aliases": ["燕麦片", "oats", "rolled oats"],
"category": "grains",
"subcategory": "whole_grains",
"standard_portion": {
"amount": 100,
"unit": "g",
"description": "100克"
},
"nutrition_per_100g": {
"calories": 389,
"protein_g": 16.9,
"carbs_g": 66.3,
"fat_g": 6.9,
"fiber_g": 10.6,
"sugar_g": 0.99,
"saturated_fat_g": 1.4,
"monounsaturated_fat_g": 2.5,
"polyunsaturated_fat_g": 2.9,
"trans_fat_g": 0,
"water_g": 8.9,
"vitamin_a_mcg": 0,
"vitamin_c_mg": 0,
"vitamin_d_mcg": 0,
"vitamin_e_mg": 1.1,
"vitamin_k_mcg": 1.9,
"thiamine_mg": 0.763,
"riboflavin_mg": 0.139,
"niacin_mg": 6.921,
"vitamin_b6_mg": 0.165,
"folate_mcg": 56,
"vitamin_b12_mcg": 0,
"pantothenic_acid_mg": 1.349,
"biotin_mcg": 0,
"calcium_mg": 54,
"iron_mg": 4.72,
"magnesium_mg": 177,
"phosphorus_mg": 523,
"potassium_mg": 429,
"sodium_mg": 2,
"zinc_mg": 3.97,
"copper_mg": 0.526,
"manganese_mg": 4.916,
"selenium_mcg": 2.8,
"iodine_mcg": 0
},
"special_nutrients": {
"omega_3_g": 0.685,
"omega_6_g": 1.428,
"choline_mg": 43.4,
"beta_carotene_mcg": 0,
"lutein_mcg": 0,
"zeaxanthin_mcg": 0
},
"glycemic_index": {
"value": 55,
"level": "低",
"glycemic_load": 11
},
"common_portions": [
{
"amount": 30,
"unit": "g",
"description": "1/4杯",
"approximate_volume": "1/4 cup"
},
{
"amount": 40,
"unit": "g",
"description": "1/3杯",
"approximate_volume": "1/3 cup"
},
{
"amount": 200,
"unit": "ml",
"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 = {
# 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
}
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
}
用户输入:
/nutrition record breakfast 燕麦粥 1杯 + 鸡蛋 1个 + 牛奶 250ml
系统处理:
返回结果:
✅ 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)
用户输入:
/nutrition food 三文鱼
返回结果:
# 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)
用户输入:
/nutrition compare 鸡胸肉 三文鱼
返回结果:
# 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
data/food-database.jsondata/food-categories.json.claude/commands/nutrition.md.claude/skills/food-database-query/SKILL.md技能版本: v1.0 最后更新: 2026-01-06 维护者: WellAlly Tech