Unverified85% confidenceFactTime unknown
冷冻海鲜的冰衣（镀冰层）会计入毛重，标称500g的冻虾实际净虾肉可能仅350-400g，选购时应关注净含量或去冰后重量，冰衣占比超过20%属过度镀冰
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85%
Confidence
Long-term
Relevance
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Unverified冷冻虾选带冰衣（镀冰）产品可防氧化保鲜，但过厚冰衣（超过重量15-20%）会虚增净重，购买时应关注净含量而非毛重，正规产品会标注去冰净重87% similarUnverified冰衣（镀冰）冷冻虾的净重需扣除包冰，正规产品包冰率应≤20%，标注'净含量'而非'含冰总重'；包冰过厚（虾仁被厚冰壳完全包裹）是隐性缺斤短两85% similarUnverified冻虾选带冰衣但冰衣薄的，冰衣包冰量应≤20%；反复冻融的虾会有大量白色冰渣、虾体发白干瘪，营养和口感损失严重84% similarUnverified冷冻鳕鱼块普遍存在包冰（镀冰衣）问题，实际净含量可能比标称重量少10%-40%，选购时注意区分'净含量'与'总重量'标注83% similarUnverified冷冻鳕鱼看'含冰衣比例'：优质品冰衣≤10%（净含量注明），劣质品冰衣可达30-40%，化冻后实际重量大幅缩水，选购看包装是否标注'净重/沥干重'而非'毛重'83% similar
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