[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

保质期与添加剂权衡:常温软包装豆干保质期6-9个月需含较多防腐剂/山梨酸钾;冷藏鲜豆腐保质期通常仅3-7天但无防腐剂,追求天然选冷藏短保、图方便耐储选常温软包

1
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85%
Confidence
Long-term
Relevance
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First Seen

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https://kongchang.com/claim/446639
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curl https://kongchang.com/api/v1/knowledge/claims/446639
MCP
get_claim(id=446639)