南非本土水果——海角苹果（Dovyalis caffra）品种中的植物化学物质和营养成分。
Phytochemicals and nutritional composition in accessions of Kei-apple (Dovyalis caffra): Southern African indigenous fruit.
机构信息
Phytochemical Food Network Research Group, Department of Crop Sciences, Tshwane University of Technology, Pretoria West. 0001, South Africa.
Institute for Tropical and Subtropical Crops Agricultural Research Council - Agricultural Research Council, Nelspruit, South Africa.
出版信息
Food Chem. 2018 Jul 1;253:37-45. doi: 10.1016/j.foodchem.2018.01.099. Epub 2018 Jan 31.
Current study was initiated to identify the phytochemicals and the nutritional profile of eleven Kei-apple fruit accessions. Accession FH29 showed the highest level (492.45 mg 100 g fresh weight) of total phenolic content, higher than the referral fruit, blueberry. Pyrogallol was identified as the predominant phenolic compound in all accessions. Accession FH 29 showed the highest (49.75 µmol TEAC g fresh weight) antioxidant capacity. Catechin content was higher in accessions; FH151, FH15, FH14, FH29, FH243, FH 239 and FH 231. Accessions, FH14 and FH232 exhibited higher levels of β-carotene than the referral fruit apples (cv. Top red) and peaches (cv. Excellence). The total sugar (glucose and fructose) was highest (50 mg g fresh weight) in accession FH240. Asparagine (3122.18 mg L) and gamma-aminobutyric (1688.87 mg L) were higher in accessions FH239 and FH243 respectively. Overall, the accession Kei-apple FH236 can be regarded as a good source of essential amino acids.
本研究旨在鉴定 11 个 Kei-apple 果实品种的植物化学物质和营养成分。品种 FH29 的总酚含量最高（492.45mg/100g 鲜重），高于参考水果蓝莓。所有品种中均鉴定出邻苯三酚为主要酚类化合物。品种 FH 29 的抗氧化能力最高（49.75µmol TEAC/g 鲜重）。儿茶素含量在品种 FH151、FH15、FH14、FH29、FH243、FH 239 和 FH 231 中较高。品种 FH14 和 FH232 的β-胡萝卜素含量高于参考水果苹果（cv.Top red）和桃（cv.Excellence）。品种 FH240 的总糖（葡萄糖和果糖）含量最高（50mg/g 鲜重）。品种 FH239 和 FH243 中的天门冬酰胺（3122.18mg/L）和γ-氨基丁酸（1688.87mg/L）含量较高。总体而言，品种 Kei-apple FH236 可被视为必需氨基酸的良好来源。
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