Unverified82% confidenceDecision RuleTime unknown
优质铁皮石斛干品（铁皮枫斗）应呈紧密螺旋状、深绿或黄绿色、断面胶质明显、嚼之黏牙渣少；若颜色发黑、松散、口感木质纤维多、渣多，说明品质差或非铁皮品种
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified铁皮石斛枫斗以'胶质丰富、嚼后黏牙渣少'为优质标志，加工成'耳环形'（枫斗）是为便于储存，选购散装干条时同样看茎节紧密、颜色铁绿或金黄83% similarUnverified选购时可观察枫斗外观：正品铁皮枫斗色泽偏暗金黄、质地紧实、嚼之有黏性（多糖含量高），胶质越多品质越好76% similarUnverified选断面显粉性、纤维少的干姜：优质干姜挥发油与姜辣素含量高，断面呈灰白至黄白色且有粉尘感，若断面纤维粗硬、颜色发暗则辛辣力弱75% similarUnverified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75% 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74% similar
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