Unverified85% confidenceCautionTime unknown
干燕窝越白越可能经过漂白或刷胶：天然燕窝呈米黄/乳白且有色差，纯白无瑕、盏身沉重、泡水掉色或有胶质感的多为造假；越'完美'越可疑
1
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85%
Confidence
Long-term
Relevance
-
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Unverified洁净度看毛燕/轻毛/精挑分级：真正无胶无漂白的天然燕窝呈米白至微黄，会有少量绒毛残留和自然色差；颜色过白、通体透亮、完全无杂质的往往经过漂白或刷胶增重83% similarUnverified干燕窝越白越漂亮反而越可疑：天然燕窝为米白/象牙白带轻微暗黄，过度雪白光亮多经漂白或双氧水处理，正常燕窝应有轻微腥味而非香甜味（甜味可能为刷糖增重）81% similarUnverified选购整条玉竹应挑选表面呈黄白色或淡黄棕色、半透明角质样、质地柔韧不易折断者；若断面呈白色粉性且脆易断，多为烘干过度或存放过久，滋阴效果和口感均差79% similarUnverified优质麦冬应为半透明浅黄白色、颗粒饱满两头尖、断面角质样有粘性；若颜色发暗褐、表面干瘪起皱、或异常雪白发亮，前者为陈货或霉变、后者疑似硫熏漂白，均应避免78% similarUnverified选购干海带看表面白霜：适量白色粉末是甘露醇（天然甜味物质）属正常，但发黄、发红或有霉斑是变质，色泽应为墨绿至深褐、叶片完整不碎77% similar
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