摘要
[目的]为人们正确补充营养素和合理膳食提供科学依据。[方法]采用荧光分光光度法测定了纽荷尔脐橙、草莓、樱桃、芒果、木瓜、圣女果、鲜枣、山楂等水果的维生素C含量。[结果]维生素C含量测定的标准曲线回归方程为:y=2.114 5x-0.887 6,R2=0.994 6。纽荷尔脐橙、草莓、樱桃、芒果、木瓜、圣女果、鲜枣、山楂等市售水果富含维生素C。市售草莓的维生素C含量是462 mg/kg,市售纽荷尔脐橙的维生素C含量是52.8 mg/kg,市售木瓜的维生素C含量是41.2 mg/kg,市售芒果的维生素C含量是22.3 mg/kg;市售樱桃的维生素C含量是9.8 mg/kg;市售鲜枣的维生素C含量是231.7 mg/kg;市售山楂的维生素C含量是51.2 mg/kg,市售圣女果的维生素C含量是30.2 mg/kg。[结论]天津市售水果中含有丰富的维生素C,通过食用水果,可以补充人体所需的维生素C。
[Objective]The research aimed to supply scientific basis for correct nutriments supplementation and rational diet of people.[Method]The contents of vitamin C in the fruit of Newhall navel orange,strawberry,cherry,mango,pawpaw,cherry tomato,fresh jujube and haw were determined by spectrophotofluorimetry.[Result]The regression equation of standard curve of content determination of vitamin C was y=2.114 5 x-0.887 6,R2=0.994 6.The market fruit of Newhall navel orange,strawberry,cherry,mango,pawpaw,cherry tomato,fresh jujube and haw were rich in vitamin C.The contents of vitamin C in market strawberry,Newhall navel orange,pawpaw,mango,cherry,fresh jujube,haw and cherry tomato were 462,52.8,41.2,22.3,9.8,231.7,51.2 and 30.2 mg/kg resp.[Conclusion]The market fruit of Tianjin were rich in vitamin C,the required vitamin C of human body could be supplemented through eating fruit.
出处
《安徽农业科学》
CAS
北大核心
2011年第23期14392-14393,14411,共3页
Journal of Anhui Agricultural Sciences
