Unverified87% confidenceDecision RuleTime unknown
闻味辨新鲜度:新核桃仁有清淡油香,陈果或存放不当的会有明显哈喇味(油脂氧化);核桃仁表皮颜色越浅黄越新鲜,发暗、发黑、带焦褐斑的多为受潮或陈货
1
Sources
87%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified核桃仁颜色越浅(浅黄琥珀色)越新鲜,若仁色发黑、发红或油亮发暗,说明已氧化哈败,油脂酸败会产生刺喉的哈喇味82% similarUnverified判断新鲜度:摇晃核桃无声响(有响声说明仁已干缩脱水,是陈货);核桃仁表皮金黄、掰开断面乳白油润为新鲜,仁色发黄发深、有哈喇味则已氧化变质82% similarUnverified核桃仁看色泽和虫蛀率:优质核桃仁呈浅黄色(琥珀色),深褐色说明氧化或陈货;哈味(哈喇味)是脂肪酸败的标志,出现即已变质不可食用80% similarUnverified买核桃仁看仁色和油脂哈喇味:果仁应呈淡黄至浅琥珀色,若发深褐、发黑或有苦涩/油漆味说明已氧化酸败(不饱和脂肪酸变质),漂白过白的仁反而可疑80% similarUnverified判断坚果新鲜度小技巧:颜色自然不发暗、无浮油光泽、闻无刺鼻酸味或霉味、口感脆而不'皮'(回软说明受潮氧化);核桃仁发苦即已酸败应丢弃80% similar
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