这跟番茄中富含的一种叫做番茄红素的类胡萝卜素看起来有很大关系。
A carotenoid called lycopene, which tomatoes contain in abundance, appeared to be responsible.
专家们还说，虽然胡萝卜富含胡萝卜素——抗流感的维他命a的构成元素之一——红薯中的胡萝卜素含量约是它的两倍。
They say that although carrots are rich in beta-carotene - a building block of flu-fighting vitamin a - sweet potatoes contain nearly twice as much.
杏子，新鲜或干燥的，富含贝它胡萝卜素。
应用推荐