金华北山区部分绿色蔬菜的营养成分和有害物质测定

Determination of the nutrion components and pesticide residues of green vegetables North Mountainous region in Jinhua City

对马铃薯、菜豆、萝卜和番茄等 4种绿色蔬菜进行营养成分和有害物质的全面测定。结果表明 :绿色蔬菜具有高营养、无毒的特点。 ( 1 ) 4种绿色蔬菜的含钙量分别为一般蔬菜同一品种的 2 4 0 %、98.5%、1 63.7%和 1 57.8% ,含铁量分别为 1 7.4倍、8.7倍、1 0 .7倍和 1 2 .7倍 ,含磷量分别为 1 1 8.2 %、1 0 2 %、1 63.6%和 1 77.8% ,并具有较高的镁、锌、铜和锰等元素的含量。 ( 2 ) 4种绿色蔬菜的镉、砷、汞、氟、六六六、DDT、敌敌畏、乐果、马拉硫磷、对硫磷、甲胺磷、杀螟硫磷和倍硫磷等 1 3项有害物质全部符合绿色食品标准。( 3) 4种绿色蔬菜的 VB1含量分别增加 2 0 %、2 2 .2 %、1 6.7%和 6% ,VB2 分别增加 30 %、1 2 %、1 35%和 2 6.7% ,Vc分别增加8.6%、68.9%、1 2 .1 %和 1 8.1 % ,胡萝卜素分别为一般同种蔬菜的 1 6倍、2 .9倍、1 3.5倍和4.5倍。 ( 4 )其蛋白质含量也分别增加 1 8.5%、1 3.9%、7.5%和 30 % ,灰分分别为 2 .0 8倍、3.1 5倍、2 .85倍和 2 .96倍 ,总糖分别为一般同种蔬菜的 91 %、1 0 1 .1 %、1 91 .3%和 95.2 % ,粗纤维分别为 1 1 3.3%、89.2 %、86.7%和 1 0 5%。

Determinated on nutrition components and pesticide residues of 4 green vegetables,such as potato、kidney bean、radish and tomato \%et al\%.The results show that:green vegetables have the characteristics of high nutrition and toxicless,(1) the contents of Ca of the 4 uncontaminaded vegetables are 240%、98.5%、163.7%,157.8% of those of the some species general vegetables,their Fe contents are 17.4、8.7、10.7、12.7 times of those of the same kinds,P contents are 118.2%、102%、163.6% and 177.8% of those of the same kinds,and their contents of elements of Mg、Zn、Cu、Mn \%et al\% are also higher.(2) the results of 13 pollutant of Cd、As、Hg、F、BHC、DDT,dichorvos,dimethoate,malation,arathion,methamidophos,fenitrothion and fenthion conform to the standards of green food.(3) The contents of V B1 are increased 20%、22.2%、16.7% and 6%,V B2 are increased 30%、12%、135% and 26.7%,Vc are increased 8.6%、68.9%、\{12.1%\} and 18.1%,their carotene contents are 16、2.95、13.5 and 4.5 times of those of the same kinds.(4) Their protein contents are increased 18.5%、13.9%、7.5% and 30%,their ash contents are 2.08、3.15、2.85 and 2.96 times of those of the same kinds,their total sugar contents are 91%、101.1%、191.3% and 95.2% of those of the same species,their cellulose contents are 113.3%、89.2%、86.7% and 105% of those of the same kinds.