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豇豆图片大全 豇豆是什么豆_农业网_农业新闻

时间:09-15来源:农业旅游作者:农业旅游

豇豆图片大全

豇豆是什么豆

豇豆是生活中比较常见的一种蔬菜,它是夏季的产物。常食用豇豆有补充营养、预防心血管疾病的好处。很多人都只知道豇豆是豆角的一种,但是具体是哪一种,大部分人都不清楚。下面我们通过一组图片来了解它吧!

豇豆是什么豆

豇豆在很多地方直接被叫做豆角,在有的地方为了和传统的豆角区别,叫豇豆为长豆角,也就是说,豇豆是豆角的一种,而豆角却不一定是说的豇豆。豇豆,蝶形花科一年生缠绕草本植物,俗称角豆、姜豆、带豆。豇豆分为长豇豆和饭豇两种,小叶3,顶生小叶菱状卵形,长5~13厘米,宽4~7厘米,顶端急尖,基部近圆形或宽楔形,两面无毛,侧生小叶斜卵形;托叶卵形,长约1厘米,着生处下延成一短距。萼钟状,无毛;花冠淡紫色,长约2厘米,花柱上部里面有淡黄色须毛。荚果线形,下垂,长可达40厘米。花果期6~9月。

豇豆怎么挑选

1、捏一捏豆子:一般来说,豆子越小豇豆越嫩。超级嫩的豇豆几乎不含豆豆,吃起来好吃而且还省火,也比较好处理。

2、看头尾筋长度:有的豇豆头尾的筋特长,就可以判定这不是一般的老了。这样的豇豆因为很老怎么做都不会很好吃,而且会很难入味。

3、掰开看:我们择豇豆除了要择掉头尾,还要弄成小段,这是考验豇豆嫩不嫩最重要的一点。出来好长的筋想当然是非常老的。

4、看颜色:一般颜色越迁的豇豆越嫩,反之则会非常老。尤其是紫红色的,豆豆又大又老,很难熟且入味特困难,简直是无形中多吃了很多钠。

豇豆的食用价值

1、促进铁吸收。豇豆中含有丰富的B族维生素,可以加强孕妈妈的身体代谢。其中含有的维生素B2还有利于孕妈妈对铁的吸收,可以预防孕期缺铁性贫血。在豇豆炒熟时,它的汁液有一种黑色的浓液出现,这就是豇豆所含铁质分解出来的色素,有补血的作用。 

2、抗疲劳。豇豆含有易于消化吸收的优质蛋白质、适量的碳水化合物及多种维生素,可全面补充孕妈妈身体所需的营养素,使孕妈妈保持充沛的精神和充足的体力。

3、缓解孕吐反应。孕妇食用可缓解孕期紧张情绪和孕期呕吐现象,食欲不振的孕妇吃了还能增加食欲,从而补充更多的营养,对自身和胎儿都有益处。

4、预防心血管疾病。高血压的孕妇可多吃点,因为豇豆能降低血清胆固醇的含量,有利于高血压患者的康复富含不饱和脂肪酸,降低人体血液中的胆固醇,预防心血管疾病。

豇豆的禁忌

1、豇豆不可生吃。豇豆有溶血素和毒蛋白,这两种物质是有毒的,煮熟才能破坏,生吃会引起呕吐或腹泻,即使食用凉拌豇豆,也要先把豇豆用水煮熟后,沥干水分,晾凉才能做成凉拌菜。

2、吃豇豆要注意控制分量。豇豆虽然营养丰富,但吃豇豆的时候不可多食贪食,否则容易引起腹部膨胀,导致消化不良。

豇豆就是长豆角,只是叫法不一样而已。适量的食用一些豇豆,对人体是有很多好处的。但是在吃豇豆的时候也是有很多需要注意的地方,不能过量,也不能吃不熟的豇豆,否则可能会引起身体的不适。


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  1. 模型: D:\www\xumu\pc\www.fjhnews.com/twcms/model/
  2. 视图: D:\www\xumu\pc\www.fjhnews.com/twcms/view/default/article_show.htm
  3. 控制器: D:\www\xumu\pc\www.fjhnews.com/twcms/control/show_control.class.php
  4. 日志目录: D:\www\xumu\pc\www.fjhnews.com/twcms/runtime/logs/
  5. 当前页面: D:\www\xumu\pc\www.fjhnews.com\index.php
  6. 当前时间: 2019-10-21 11:07:52
  7. 当前网协: 18.210.22.132
  8. 请求路径: /hdw/6822.html
  9. 运行时间: 0.2287
  10. 内存开销: 1.44 MB
  1. #0 [time:0.0002s] SET character_set_connection=utf8, character_set_results=utf8, character_set_client=binary, sql_mode=''
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  2. #action => index
  3. #cid => 3
  4. #id => 6822
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