天气预报 > 生活 > 菜花变紫是怎么回事
菜花变紫是怎么回事
更新时间: 2021-11-10 14:47:10  

菜花变紫的原因:菜花突遇低温,导致花球组织内的醣甙转化为花青素,使花球变为紫色。

花青素又称花色素,是自然界一类广泛存在于植物中的水溶性天然色素,在很多蔬菜中都有存在,如西瓜的红色、紫薯的紫色、葡萄的紫色、黑色等,而紫色的花菜中就含有较为丰富的花青素成分,也是因为这种成分,导致花菜出现紫色,这是正常的变色现象。

关键词: 菜花 怎么 回事

菜花变紫是怎么回事相关经验

天气预报

最新推荐

页面:/news/view-84899/ | 耗时:0.2122 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=84899 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=84899 LIMIT 0,1
select * from tbl_Articles_sphinx where id=84899 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1118825,1064425,1106028,1104137,1056488,1079363,1118619,1111480,1118168,1024459,1099297,1061836,1113862,1112770,1118969,1101939,1078441,1106878,1116549,1114920,1110518,1045909,1116950,1048830,1106396,1097525,1108876,1117351,1108474,1104210) ORDER BY field (ArticleID,1118825,1064425,1106028,1104137,1056488,1079363,1118619,1111480,1118168,1024459,1099297,1061836,1113862,1112770,1118969,1101939,1078441,1106878,1116549,1114920,1110518,1045909,1116950,1048830,1106396,1097525,1108876,1117351,1108474,1104210)