23日橙子是深受人们喜爱的水果,但现在市场上的橙子颜色越来越鲜艳,越来越好看,如何区别橙子的外观是天然的还是经过染色?染过色的橙子,表面看起来特别红艳,仔细观察,可发现表皮皮孔有红色斑点,一些橙表面甚至有红色残留物。用湿巾擦拭橙子表面,如果湿巾变红,说明橙子可能被染色;没染色的橙子,湿巾擦拭后只能看到淡淡的 On the 23rd orange is a popular fruit, but now the market is more and more bright-colored orange, more and more attractive, how to distinguish the appearance of orange is natural or after dyeing? Colored orange, the surface looks special Hongyan, careful observation, epidermal lenticels can be found in red spots, some orange surface even red residue. Wipe the surface of the orange with a wet wipe, if the wet wipes turn red, the oranges may be stained; the oranges that are not stained, the wipes can only see a faint