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红紫苏的叶子为什么会变成绿有趣的

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红紫苏的叶子为什么会变成绿se?

紫苏是一年生草本植wu,jing2圆形,叶子卵形。红紫苏的叶子发红是因为叶子里除了叶绿素外还han有红se的hua青素。即使在相同的细胞里叶绿素也只存在于叶绿ti中,而hua青素则溶于细胞ye中。

红紫苏的叶子发红的另一个原因是hua青素沉积、叶绿素分解、消失的缘故。相反,由于hua青素的分解,叶子还可以变成绿se。当然,紫苏叶子的颜se变化也受到了光和温度的影响。

另外,大多数紫苏和ji冠hua的huase均不如叶子红,是因为hua里还残留着叶绿素。

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