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首页> 外文期刊>Public Health Nutrition >Linolenic acid and folate in wild-growing African dark leafy vegetables (morogo)
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Linolenic acid and folate in wild-growing African dark leafy vegetables (morogo)

机译：野生生长的非洲深色多叶蔬菜（morogo）中的亚麻酸和叶酸

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BackgroundTransition from a low-fat vegetable-rich rural diet to a high-fat Westernised diet is considered a factor in the escalating occurrence of vascular-related diseases and type 2 diabetes in urban black South Africans. Consumption of morogo is a distinguishing feature of rural African diets.ObjectiveTo determine fatty acid profiles and folate contents of three widely consumed, wild-growing, African dark green leafy vegetables (morogo).DesignGCa€“MS was applied for analysis of fatty acid composition and a validated microbiological assay conducted to determine folic acid contents of wild-growing morogo sampled from deep rural villages in three different geographical regions of South Africa.ResultsMeasured fatty acids ranged from 1610?·2 to 2941?·6 mg/100 g dry mass, with PUFA concentrations 1?·4 to 2?·8 times those of SFA. Calculated from the relative percentages of linoleic acid (18:2n-6) and linolenic acid (18:3n-3), the ratio of 18:2n-6 to 18:3n-3 PUFA was 1?·0:3?·4 to 1?·0:8?·9. The only MUFA was palmitoleic acid (16:1), measured at 34?·7 (sd 0?·3) to 79?·0 (sd 9?·3) mg/100 g dry mass, and the predominant SFA was palmitic acid (16:0), measured at 420?·6 (sd 83?·3) to 662?·0 (sd 21?·2) mg/100 g dry mass. Folic acid concentration varied from 72 to 217 ??g/100 g fresh sample.ConclusionMorogo is low-fat food item high in folate and with 18:3n-3 in excess of 18:2n-6, the proposed anti-inflammatory effects of which may lower risks of vascular-related chronic diseases and type 2 diabetes.
机译：背景技术从低脂蔬菜丰富的农村饮食向高脂西餐的转变被认为是都市黑人南非人中与血管相关疾病和2型糖尿病升级的一个因素。食用morogo是非洲农村地区饮食的一个显着特征。目的测定三种广泛食用的野生生长的非洲深绿叶蔬菜（morogo）的脂肪酸谱和叶酸含量。DesignGCa€“ MS用于分析脂肪酸组成并从南非三个不同地理区域的深农村村庄中采集的野生莫罗果叶中的叶酸含量进行了有效的微生物测定。结果测定的脂肪酸范围为1610？·2至2941？·6 mg / 100 g干重，其PUFA浓度是SFA的1？·4至2？·8倍。由亚油酸（18：2n-6）和亚麻酸（18：3n-3）的相对百分比计算，18：2n-6与18：3n-3 PUFA之比为1？·0：3？· 4比1？·0：8？·9。唯一的MUFA是棕榈油酸（16：1），在34？·7（sd 0？·3）至79？·0（sd 9？·3）mg / 100 g干质量下测得，而主要的SFA是棕榈酸酸（16：0），在420？·6（sd 83→3）至662？·0（sd 21→2）mg / 100 g干质量下测量。叶酸浓度从72到217 g / 100 g新鲜样品不等。结论Morogo是叶酸含量高的低脂食品，并且18：3n-3超过18：2n-6，建议的抗炎作用这可能会降低与血管相关的慢性疾病和2型糖尿病的风险。

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