食品科学 ›› 2004, Vol. 25 ›› Issue (11): 250-251.

• 分析检测 • 上一篇    下一篇

广东产苋科6种野菜中硝酸盐、亚硝酸盐及VC的含量

 邱贺媛, 曾宪锋   

  1. 韩山师范学院生物系
  • 出版日期:2005-11-15 发布日期:2011-10-24

The Contents of Nitrate,Nitrite and Vitamin C of 6 Edible Wild Vegetables of Amaranthaceae

 QIU  He-Yuan, ZENG  Xian-Feng   

  1. Chemistry Department, Hanshan Normal College
  • Online:2005-11-15 Published:2011-10-24

摘要: 测定了广东产苋科6种野菜中硝酸盐、亚硝酸盐和维生素C的含量。结果表明:青葙、刺苋的硝酸盐较高、亚硝酸盐含量符合我国无公害蔬菜限量标准,维生素C含量又较为丰富,它们为品质较好的野菜;繁穗苋维生素C含量高,硝酸盐含量高,亚硝酸盐含量较低,煮熟可安全食用;空心莲子草、皱果苋和苋菜的维生素C含量较高,亚硝酸盐含量较低,但硝酸盐含量严重超标,须采取一定的措施,限量食用。

关键词: 野生蔬菜, 硝酸盐, 亚硝酸盐, 维生素C

Abstract: The contents of nitrate, nitrite and vitamin C in leaves of 6 edible wild vegetables of Amaranthaceae were determined.The results indicate that Celosia argentea L.and Amaranthus spinosus L. have good quality because of medium content of nitrateand nitrite, and richer content of VC; Amaranthus paniculatus L. is edible after be cooked because of higher content of of nitrate,higher content VC and lower content of nitrite; Because of the content of nitrate in the leaves of Alternanthera philoxeroides(Mart.)Griseb.,Amaranthus tricolor L.and Amaranthus viridis L. exceed the limited standard, they must be cooked and the amountmust be restricted.

Key words: edible wild vegetables, nitrate, nitrite, vitamin C