Unverified85% confidenceDecision RuleTime unknown
菠菜、油麦菜等叶菜切口处发黑或黏滑说明采收超过3天,硝酸盐已开始转化为亚硝酸盐,优先选切口鲜绿、断面湿润的
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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