Unverified78% confidenceDecision RuleTime unknown
醋酸缎面光泽度高、反光明显，选色时深色（酒红、墨绿、午夜蓝）比浅色更耐脏且不易在强光下显透。
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified颜色越浅越透亮不等于越好，天然桃胶多呈浅琥珀色至深棕色（含少量树皮杂质属正常）；异常晶莹通透且颜色均一的可能经过硫磺熏制或漂白处理80% similarUnverified浅色果干（如白葡萄干、去核杏干、银耳、干百合）颜色异常鲜亮均匀，往往经过二氧化硫/焦亚硫酸盐熏硫护色；天然日晒的杏干、葡萄干应偏暗褐色，选购时优先看颜色发暗、允许深浅不均的产品79% similarUnverified染色越鲜艳（荧光蓝、宝石紫等非自然色）越不持久，染料浓度高易返色渗色；追求持久自然效果优先选原白、香槟、雾霾豆沙等低饱和色系78% similarUnverified优质决明子颗粒呈菱方形、饱满坚硬、色泽绿褐或暗棕有光泽，若颜色发暗灰、干瘪或有霉斑则为陈货或受潮78% similarUnverified正宗古法秋梨膏成膏后呈深琥珀色至棕黑色（梨汁长时间熬制美拉德反应所致），颜色过浅发亮多为熬制不足或加水；挂旗成丝、滴入冷水成珠不散为浓稠达标标志77% similar
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