不同品种甘薯藤蔓部分活性成分含量的比较
作 者：
罗霞;魏巍;余梦瑶;江南;伍明;许晓燕
单 位：
四川省中医药科学院
关键词：
甘薯藤蔓;多糖;多酚;黄酮;花青素;β-胡萝卜素;绿原酸;咖啡酸
摘 要：
目的:比较渝甘、绵粉等7个不同品种甘薯藤蔓部分活性成分含量.方法:测定甘薯藤蔓中水溶性蛋白、多糖、多酚、黄酮、花青素、β-胡萝卜、绿原酸和咖啡酸的含量.结果:不同品种甘薯藤蔓中的水溶性蛋白、多糖、多酚、黄酮、花青素、β-胡萝卜、绿原酸和咖啡酸含量存在明显差异.其中,水溶性蛋白在7个品种甘薯藤蔓中的含量范围为9.54~16.89mg/g,多糖2.63~8.79mg/g,多酚18.89~43.21mg/g,黄酮15.27~41.52mg/g,花青素1.83~4.00mg/g,β-胡萝卜素1.26~2.88mg/g,绿原酸69.38~1150.61μg/g,咖啡酸53.86~426.85μg/g.结论:品种对生物活性物质含量的影响较大,部分生物活性物质在甘薯藤中的含量因品种不同存在明显差异,特别是绿原酸,在不同品种甘薯藤蔓中的含量差异可达16倍.
单 位：
Sichuan Academy of Chinese Medicine Science,Chengdu 610041,China%College of Life Sciences,Sichuan University,Chengdu 610064,China
关键词：
sweet potato vines%water soluble protein%polysaccharide%polyphenol%flavonoid%anthocyanin%β-carotene%chlorogenic acid%caffeic acid
摘 要：
This study aimed to compare bioactive compound contents in sweet potato vines from seven cultivars.The water soluble protein content was measured by Bradford methodm polysaccharide content by anthrone-H2SO4 colorimetry;polyphenol content by Folin-Ciocalteu method,flavonoids content by NaNO3-Al(NO3)3-NaOH colorimetry,anthocyanin content by vanillin-HCl method,β-carotene content by spectrophotometric method;chlorogenic acid,and caffeic acid contents by HPLC.All other bioactive compounds contents except water soluble protein were significantly different in 7 cultivars of sweet potato vines: soluble protein,9.54–16.89 mg/g;polysaccharide,2.63–8.79 mg/g;polyphenol,1.89–43.21 mg/g;flavonoids,15.27–41.52 mg/g,anthocyanins,1.83–4.00 mg/g,β-carotene,1.26–2.88 mg/g;chlorogenic acid,69.38–1150.61 μg/g;and caffeic acid,53.86–426.85 μg/g.Bioactive compound contents of sweet potato vines were greatly impacted by the cultivar,and there were significant differences among different cultivars for the content of some of the bioactive compounds,especially chlorogenic acid,showing a 16-fold difference at most.
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