大豆不是蚕豆,大豆和蚕豆是两种不同的豆类。
大豆和蚕豆的区别:
1、发源地不同
大豆是中国最古老的农作物之一,中国是大豆的故乡,在我国种植历史大约有5000多年。
蚕豆原产欧洲地中海沿岸,亚洲西南部至北非,相传西汉张骞自西域引入中原。
2、颜色
黄豆表皮略显淡黄色,蚕豆表皮青绿色,灰绿色至棕褐色,稀紫色或黑色。
大豆:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/3c6d55fbb2fb4316fab9dda62ea4462308f7d34c?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
蚕豆:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/71cf3bc79f3df8dcf017294dc311728b461028c7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、形状
大豆形状直径几乎相等,呈圆形且豆脐淡淡的不明显,大豆形状不规则,有的呈短椭圆形,有的呈圆形,且豆脐呈明显的黑色。
蚕豆的外形为长方圆形,近长方形,中间内凹,种皮革质。
大豆:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/bd3eb13533fa828bb6933a3ff31f4134960a5abd?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
蚕豆:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/34fae6cd7b899e514bab9cc84ca7d933c9950dc0?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
参考资料来源:百度百科-大豆
参考资料来源:百度百科-蚕豆