Superseded85% confidenceFactTime unknown
牛肉每100g蛋白质约20-22g、脂肪瘦肉部位仅2-5g；猪里脊每100g蛋白质约20g、脂肪约7g。单从蛋白密度看两者接近，但牛肉含铁量约为猪肉2-3倍，缺铁人群优先牛肉
1
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85%
Confidence
Long-term
Relevance
-
First Seen
This knowledge claim has been superseded by newer content
选高蛋白低脂肉类，优先鸡胸肉（每100g脂肪约1-3g、蛋白约23g）、去皮鸡腿次之；牛肉选里脊/牛腱（脂肪＜5g），避开肥牛卷（脂肪常＞20g）Sources
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