天气预报 > 其他 > 冻虾为什么会变黑
冻虾为什么会变黑
更新时间: 2020-11-03 00:00:00  

如果是从冰冻室拿出来前就变黑了,那就是不新鲜的了。若是解冻前还好好的,解冻后变色变黑,一般是比较正常的情况。虾变黑主要是因为虾体内的多酚氧化酶使酪氨酸产生黑色素,而虾头部的多酚氧化酶更多,所以会出现虾头发黑的情况,从冷冻室拿出来后,放入到冷藏室中解冻,多酚氧化酶进行了氧化,所以变黑。

关键词: 冻虾 为什么

冻虾为什么会变黑相关经验

天气预报

最新推荐

页面:/news/view-1747526/ | 耗时:0.3345 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=1747526 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1747526 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1747526 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1459460,1062618,3094035,2710293,436587,2638681,1604483,139923,1499561,2202120,640664,1070358,1097773,1090525,2352277,2364007,1761630,1114478,2884437,1124273,142500,1465035,1070672,129708,156284,1568277,2358173,1089526,1089446,1412061) ORDER BY field (ArticleID,1459460,1062618,3094035,2710293,436587,2638681,1604483,139923,1499561,2202120,640664,1070358,1097773,1090525,2352277,2364007,1761630,1114478,2884437,1124273,142500,1465035,1070672,129708,156284,1568277,2358173,1089526,1089446,1412061)