Unverified80% confidenceFactTime unknown
断面黏液拉丝越多、氧化后越快变褐（褐红色）的山药淀粉和黏蛋白含量越高，铁棍山药断面遇空气几分钟内明显变色属正常，反而是新鲜高粉性的标志
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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