| 潮州市蔬菜中硝酸盐亚硝酸盐及VC含量的研究 |
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| 引用本文： | 邱贺媛,曾宪锋.潮州市蔬菜中硝酸盐亚硝酸盐及VC含量的研究[J].农产品加工．学刊,2005(2):42-44. |
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| 作者姓名： | 邱贺媛 曾宪锋 |
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| 作者单位： | 韩山师范学院,化学系,广东,潮州,521041 |
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| 基金项目： | 韩山师范学院校科研和教改项目 |
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| 摘 要： | 测定了潮州产13种蔬菜中硝酸盐、亚硝酸盐和VC的含量。参考蔬菜中硝酸盐含量分级评价标准和我国制定的无公害蔬菜亚硝酸盐含量限量标准,考虑到各种野菜VC的含量,对这13种蔬菜评价如下:芋的叶柄、茄子的果实、棱角丝瓜的果实、丝瓜的果实、黄瓜的果实属于一级蔬菜,可以安全食用;青菜的叶、生菜的叶属二级蔬菜范围,不宜生食,煮熟或盐渍可安全食用;空心菜的叶、莴苣的叶、芥蓝的叶、番薯的叶属于三级蔬菜,不可生食和盐渍,可熟食;空心菜的茎、芥菜的叶、青菜的叶柄、茼蒿的叶属于硝酸盐严重污染,不宜或限量食用。
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| 关 键 词： | 潮州 蔬菜 硝酸盐 亚硝酸盐 VC |
| 文章编号： | 1671-9646（2005）02-0042-03 |
| 收稿时间： | 2005-05-08 |
| 修稿时间： | 2005年5月8日 |
The Primary Study on Contents of Nitrate, Nitrite and Vitamin C of 13 Vegetables in Chaozhou District |
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| Qiu Heyuan,Zeng Xianfeng.The Primary Study on Contents of Nitrate, Nitrite and Vitamin C of 13 Vegetables in Chaozhou District[J].Nongchanpin Jlagong.Xuekan,2005(2):42-44. |
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| Authors: | Qiu Heyuan Zeng Xianfeng |
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| Abstract: | The contents of nitrate,ni tr ite and vitamin C in different ed ible parts of 13vegetables producte d in Cha ozhou were determined for the first time.According to the evaluation standards for nitrate and nitrite pollution at hom e and aboard,the quality of 13vegeta bles were discussed as follows :The petiole of Colocasia esculenta(L.)Schott and the fruits of Solanum melongena L.,Laffa acutangula Roxb.,Laffa cylindr aica(L.)Roem.and Cucumis sativs L.belong to the first class vegeta-bles an d they can be eaten anyway(in fresh,after salted or cooked).The leaves of Br assica chinensis L.and Lactuca sativa L.var.romana Hort.belong to the sec on d class vegetable and can be eaten a fter salted or cooked.The leaves of I pomo ea aquatica Forssk.,Lactuca sativa L.,Brassica alboglabra.H.Bailey and I p omoea batatas(L.)Lam.Belong to the third class vegetables,they can be eaten after cooked.The te nder stems of Ipomoea aquatica Forssk.,the petiole of Br assicachinensis L.,and the leaves of Brassica juncea(L.)Czerm et Coss and C hrysanthemum coro narium L.were inedible. |
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| Keywords: | VC |
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