Unverified85% confidenceDecision RuleTime unknown
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
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85%
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Long-term
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Unverified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）是隐性缺斤短两88% similarUnverified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84% similarUnverified非沿海地区'冰鲜/活虾'多为长途运输后冰镇，实际不如船冻（船上速冻）的冷冻虾新鲜；船冻虾在捕捞后数小时内-40℃急冻，鲜度锁定优于陆运'鲜虾'84% similarUnverified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83% similarUnverified冷冻虾看包装内是否有过多冰霜和碎屑，霜多且碎虾多说明经历过反复解冻，肉质发面口感变差82% similar
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