天气预报 > 其他 > 豆芽的头为什么会变紫色
豆芽的头为什么会变紫色
更新时间: 2020-10-25 00:00:00  

原因:豆芽怕光,在浇水时如果见光,甚至是日光灯的光,就会变紫色,带苦味。

变化的原理:种子发芽以后,叶绿体逐渐减少,这时因为叶绿体中的色素含有Mg离子,在根吸收的营养中很大一部分是有机物,而有机物可以和叶绿素发生反应,即生成镁的沉淀,形成去镁叶绿素,从而显紫色。

关键词: 豆芽 为什么 紫色

豆芽的头为什么会变紫色相关经验

天气预报

最新推荐

页面:/news/view-2655035/ | 耗时:0.8737 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=2655035 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2655035 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2655035 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1130993,1093641,1100013,1109118,1073066,1090537,1074843,1044609,1041639,1073318,1101629,1060391,1078226,1097633,1092189,1067315,1075863,1087912,1084779,1109372,1088884,1084775,1048360,1057595,1082201,1068564,1070058,1095598,1084437,1072923) ORDER BY field (ArticleID,1130993,1093641,1100013,1109118,1073066,1090537,1074843,1044609,1041639,1073318,1101629,1060391,1078226,1097633,1092189,1067315,1075863,1087912,1084779,1109372,1088884,1084775,1048360,1057595,1082201,1068564,1070058,1095598,1084437,1072923)