Unverified85% confidenceCautionTime unknown
不建议购买颜色乌黑发亮、参体僵硬发脆、表面有白色结晶盐霜的干海参——乌黑发亮多为糖干或染色，盐霜过重为盐干，优质淡干参呈灰黑或黑褐色、表面附着微量白色天然盐霜且不刺目
1
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85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified不要买颜色发灰白、有明显白色霉斑（非正常盐霜）或酸腐异味的豆豉，正常盐霜可抖落且无异味，霉变则整袋弃用82% similarUnverified干桑葚看色泽与结块：优质干品应为紫黑至黑褐色、颗粒完整不结硬块；发红或偏褐说明晾晒不足或陈货，硫熏货则色泽异常鲜亮并有刺鼻酸味82% similarUnverified不要购买颜色异常雪白、片片均匀、无一丝黄斑的茯苓，天然茯苓因干燥和部位差异会有色差和边角，过度整齐白净往往经过漂白或硫磺处理82% similarUnverified颜色过于鲜艳统一（如均匀深褐或亮红）的话梅可能添加了焦糖色或胭脂红等着色剂；天然日晒晾制的话梅颜色深浅不一、表面有自然盐霜或糖霜81% similarUnverified颜色异常雪白、大小整齐一致、表面有酸味或刺激性气味的莲子，可能经过双氧水或硫磺漂白，不建议购买；天然莲子应呈微黄或象牙白，颜色略有深浅不一81% similar
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