来源：从紫甘薯中提取、精制而成。
紫甘薯花青素具有较强的抗氧化能力。
Moreover, the anthocyanin from purple sweet potato was antioxidant.
本文对紫甘薯花青素的制备纯化工艺及其生物活性进行了研究。
In this paper, the preparation of purple sweet potato anthocyanins purification process and its biological activity was studied.
分析了17个紫甘薯品种块根的颜色、总花色甙含量和4个品种的组分。
Colors and total anthocyanins of the tubers of 17 varieties of purple sweet potatoes, also pigmental components of the 4 varieties were analyzed.
结果紫甘薯花青素成分包括有矢车菊素、飞燕草素、锦葵色素、牵牛花色素和甲基花青素。
Results anthocyanin from purple sweet potato consists of cyanidin, delphinidin, malvidin, petunidin and methyl anthocyanins.
以芦丁为标准样品，比较了可见光及紫外光分光光度法测定食品包装纸用色素紫甘薯总黄酮的方法。
Using rutin as the standard sample, total flavonoid content in purple sweet potato for food packaging paper dying was determined by Vis-and UV-spectrophotometry.
结果表明，紫甘薯红色素具有与其它几种红色素相似的理化稳定性，其热稳定性与紫米相似，但优于其它色素；
The red pigments of purple sweetpotatoes were showed similar stable to purple rice red pigments, but higher than any other pigments tested when they are heated;
目前国内外已针对紫甘薯开发出一系列食品及食品工业原料，其生产及应用受到越来越多的关注，是一种很有发展前景的经济作物。
Varied foods and food materials have been developed from PSP both at home and abroad. Therefore, PSP can be recommended as a superior cash crop for the production of foods of health benefits.
热带美洲藤本植物(甘薯)，具有玫瑰紫或淡粉红色漏斗状花朵，因多肉的桔黄色块根而多有栽培。
A tropical American vine (Ipomoea batatas) having rose-violet or pale pink, funnel-shaped flowers, and cultivated for its fleshy, tuberous orange-colored root.
但是，由于其价值发现较晚，资源较少，阻碍了紫肉和红黄肉甘薯的研究与开发利用。
But the purple sweet potato and orange or yellow sweet potato, its value is late to found, its resources is less, these hindered the development of research and exploitation.
并发现紫心甘薯干率、淀粉含量与其烘烤和蒸煮品质中的干面性呈显著正相关。
The dry matter content and starch content were positively related to dryness of baked or cooked products.
对23份自育的甘薯品系、台湾薯、川山紫、徐91-51-1和京杂4号等甘薯良种的叶片叶绿素含量和净光合速率进行了测定，对照品种为甘薯良种徐薯18。
Chlorophill content and net photosynthesis rate were tested in 23 sweet potato varieties and 5 commercial varieties, Taiwan Shu, Chuanshanzi, Xu91-51-1, Jingzha 4 and Xushu 18( as a control).
对23份自育的甘薯品系、台湾薯、川山紫、徐91-51-1和京杂4号等甘薯良种的叶片叶绿素含量和净光合速率进行了测定，对照品种为甘薯良种徐薯18。
Chlorophill content and net photosynthesis rate were tested in 23 sweet potato varieties and 5 commercial varieties, Taiwan Shu, Chuanshanzi, Xu91-51-1, Jingzha 4 and Xushu 18( as a control).
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