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58个不同品种甘薯茎叶营养与功能成分的研究
引用本文:邱俊凯,隋伟策,木泰华,孙红男,曹清河.58个不同品种甘薯茎叶营养与功能成分的研究[J].核农学报,2021,35(4):911-922.
作者姓名:邱俊凯  隋伟策  木泰华  孙红男  曹清河
作者单位:新疆农业大学食品科学与药学学院,新疆乌鲁木齐 830052;中国农业科学院农产品加工研究所/农业农村部农产品加工综合性重点实验室,北京 100193;新疆农业大学食品科学与药学学院,新疆乌鲁木齐 830052;江苏徐淮地区徐州农业科学研究所,江苏徐州 221131
基金项目:国家现代农业(甘薯)产业技术体系专项(CARS-10-B21)
摘    要:为了明确不同品种甘薯茎叶的营养与功能成分组成,本试验系统比较了58个不同品种甘薯茎叶中的粗蛋白、粗脂肪、膳食纤维、维生素、多酚类物质、黄酮类物质含量及抗氧化活性。结果表明,甘薯茎叶富含粗蛋白(9.35~38.45 g·100 g-1 DW)、粗脂肪(1.36~12.30 g·100 g-1 DW)、总膳食纤维(35.30~45.0 g·100 g-1 DW)、维生素C(1.47~131.64 mg·100 g-1 DW)、β-胡萝卜素(6.75~59.35 mg·100 g-1 DW)及维生素E(0.39~23.30 mg·100 g-1 DW);湛薯01-2品种甘薯茎叶中总酚含量(21.39 g CAE·100 g-1 DW)及抗氧化活性(40.28 g TE·100 g-1 DW)最高。抗氧化活性与营养成分之间的相关性分析结果表明,甘薯茎叶中主要的抗氧化活性物质为多酚类物质(R2=0.748)。本研究为甘薯茎叶的合理开发利用提供了一定的指导。

关 键 词:甘薯茎叶  营养与功能成分  多酚类物质  抗氧化活性
收稿时间:2019-12-04

Comparative Study on the Nutritional and Functional Components of Sweet Potato Leaves From Fifty-Eight Cultivars
QIU Junkai,SUI Weice,MU Taihua,SUN Hongnan,CAO Qinghe.Comparative Study on the Nutritional and Functional Components of Sweet Potato Leaves From Fifty-Eight Cultivars[J].Acta Agriculturae Nucleatae Sinica,2021,35(4):911-922.
Authors:QIU Junkai  SUI Weice  MU Taihua  SUN Hongnan  CAO Qinghe
Institution:1College of Food Science and Pharmaceutical Science, Xinjiang Agricultural University, Urumqi, Xinjiang 830052; 2Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-products Processing, Ministry of Agriculture and Rural Affairs, Beijing 100193; 3Xuzhou Institute of Agricultural Sciences in Xuhuai Region of Jiangsu Provience, Xuzhou, Jiangsu 221131
Abstract:In order to clarity the nutritional and functional composition of sweet potato leaves from different cultivars, in the present study, the contents of protein, fat, dietary fiber, vitamins, polyphenols and flavonoids, and antioxidant activity of sweet potato leaves from 58 cultivars were systematically investigated. The results showed that sweet potato leaves are rich in protein (9.35 to 38.45 g·100 g-1 DW), fat (1.36 to 12.30 g·100 g-1 DW), total dietary fiber (35.30 to 45.0 g·100 g-1 DW), vitamin C (1.47 to 131.64 mg·100 g-1 DW), β-carotene (6.75 to 59.35 mg·100 g-1 DW), and vitamin E (0.39 to 23.30 mg·100 g-1 DW). Compared with other cultivars, total polyphenol content (21.39 g CAE·100 g-1 DW) and antioxidant activity (40.28 g TE·100 g-1 DW)were the highest in Zhanshu No. 01-2. The correlation analysis between antioxidant activity and nutritional and functional components indicated that the main antioxidant ingredient in sweet potato leaves was polyphenols (correlation coefficient was 0.748). This study provide scientific guidance for the rational development and utilization of sweet potato leaves.
Keywords:sweet potato leaves  nutritional and functional components  polyphenols  antioxidant activity  
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