Unverified85% confidenceDecision RuleTime unknown
看形态识等级：优质当归主根粗长（直径≥1.5cm）、支根少、'头圆尾尖'成整根者为上；'柴性大'（木质多、纤维粗）、断面发白无油点的多为二三年生或抽薹货，药效差
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
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Unverified越粗壮≠越好：黄芪讲究'条直、皮细、粉性足'，主根中上段直径1-1.5cm的中等条为佳；过粗的可能是多年老根木质化严重（药效反降、口感柴），过细的多为侧根须根85% similarUnverified选购麦冬块根优先看直径与饱满度：优质浙麦冬直径0.3-0.6cm、纺锤形两端尖、断面黄白色半透明；出现明显黑褐色斑点或霉味说明存储不当或硫熏残留74% similarUnverified判断藜麦品质等级看‘籽粒完整度与直径’：优质藜麦颗粒直径约1.5-2mm、大小均匀、无碎粒无杂质；劣质品碎粒多、颜色暗沉发灰，煮后不易开出白色‘小尾巴’胚芽环71% similarUnverified整支干茸选购看规格：二杠茸（两个分叉）比三岔茸更嫩、蜡片比例高、品质优；茸支饱满、茸皮红棕有细毛、断面油润为佳，头重脚轻空心的说明砍茸过晚已老化69% similarUnverified购买时注意辨别是否为真正林下籽参：正品参体较细、皮纹紧密自然、须根细长有韧性；若参体粗壮饱满、须根短粗，可能是园参冒充69% similar
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