Evaluation of Minerals, Phytochemical Compounds and Antioxidant Activity of Mexican, Central American, and African Green Leafy Vegetables
Evaluation of Minerals, Phytochemical Compounds and Antioxidant Activity of Mexican, Central American, and African Green Leafy Vegetables
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DOI：
10.1007/s11130-015-0512-7
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发表时间：
2015-12-01
影响因子：
4
通讯作者：
Grusak, Michael A.
中科院分区：
文献类型：
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作者：
Jimenez-Aguilar, Dulce M.;Grusak, Michael A.
绿色多叶蔬菜乌头和猪屎豆原产于墨西哥和中美洲，而粗糙茄和Gynandropsis gynandra原产于非洲。这些地方的农村和城市地区都将其作为主要食物、食品配料或传统药物消费。目前，关于其营养和植物化学成分的信息有限。因此，矿物质，维生素C，酚类和类黄酮的浓度，和抗氧化活性进行了评估，在多个加入这些叶菜，和他们的矿物质和维生素C的贡献计算每份。这些叶菜中Ca、K、Mg和P的含量分别为0.82 - 2.32、1.61 - 7.29、0.61 - 1.48和0.27 - 1.44 mg/g鲜重。S.糙皮甜瓜的抗氧化活性最高，达1413 μ g儿茶素当量/g FW，而糙皮甜瓜的抗氧化活性最高。longirostrata加入（52 - 60 μ mol Trolox当量/g FW）。根据美国食品和药物管理局制定的指导方针，一份C。长喙苔被认为是Mo的极好来源（每日价值的20%或更多），并且这些绿色多叶蔬菜中的任何一种都是维生素C的极好来源。考虑到矿物质、植物化学物质和抗氧化剂对人体健康的重要性及其在这些土著绿色叶菜中的存在，应努力促进其消费。
The green leafy vegetables Cnidoscolus aconitifolius and Crotalaria longirostrata are native to Mexico and Central America, while Solanum scabrum and Gynandropsis gynandra are native to Africa. They are consumed in both rural and urban areas in those places as a main food, food ingredient or traditional medicine. Currently, there is limited information about their nutritional and phytochemical composition. Therefore, mineral, vitamin C, phenolic and flavonoid concentration, and antioxidant activity were evaluated in multiple accessions of these leafy vegetables, and their mineral and vitamin C contribution per serving was calculated. The concentrations of Ca, K, Mg and P in these leafy vegetables were 0.82-2.32, 1.61-7.29, 0.61-1.48 and 0.27-1.44 mg/g fresh weight (FW), respectively. The flavonoid concentration in S. scabrum accessions was up to 1413 mu g catechin equivalents/g FW, while the highest antioxidant activities were obtained in C. longirostrata accessions (52-60 mu mol Trolox equivalents/g FW). According to guidelines established by the US Food and Drug Administration, a serving size (30 g FW) of C. longirostrata would be considered an excellent source of Mo (20 % or more of the daily value), and a serving of any of these green leafy vegetables would be an excellent source of vitamin C. Considering the importance of the minerals, phytochemicals and antioxidants in human health and their presence in these indigenous green leafy vegetables, efforts to promote their consumption should be implemented.