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The Chemical Composition of Selected Indigenous Fruits of Botswana

机译:博茨瓦纳精选土著水果的化学成分

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In the rural areas of most African countries, many people may not have access to exotic fruits and may be eating mainly indigenous fruits. Very little information is documented on the composition of these fruits. This study was undertaken to provide this information. The edible portions of four indigenous fruits (Adansonia digitata, Sclerocarya birrea, Slrychnos spinosa and Vangueria infausta) were analysed for proximate composition, minerals, and selected properties using Association of Official Analytical Chemists(AOAC) methods. The values (%) obtained were: dry matter 11.6 (S. birrea) - 86.0 (A. digitata), ash 3.9 (V. infausta)- 4.9 (S. birrea), crude protein 1.3 (A. digitata)- 3.7 (S. birrea), ADF 6.1 (S.spinosa) -39.5 (V. infausta), ADL 4.4 (S. spinosa)- 35.5 (V. infausta), NDF 6.2 (S. spinosa)- 39.4 V. infausta), pH 3.06 (A. digitata) - 3.98 (S. birrea), acidity 0.77 (S. spinosa) - 7.85 (A. digitata). The vitamin C content in mg/100g fresh sample were: 67.7 (V. infausta)- 141.3 (A. digitata). For the minerals the values (mg/100 g) were: Ca 56 (S. spinosa) - 128 (A. digitata), Mg 49 (S. spinosa) - 158 (S. birrea), P 50 (A. digitata)- 128 (V. infausta), K. 1370 (S.spinosa) - 2183 (S. birrea), Na 13.0 (S. birrea)-21.7 (S. spinosa), Fe 0.07 (S. birrea) -0.11 (S. spinosa) and Zn 0.02 (V. infausta) - 0.22 (S. spinosa). The fruits appear to be good sources of vitamin C, and the minerals, K and Mg. They can contribute towards providing nutrient requirements particularly in the rural areas, therefore the consumption should be encouraged.
机译:在大多数非洲国家的农村地区,许多人可能无法获得异国水果,并且可能主要以土著水果为食。关于这些水果的成分的资料很少。进行这项研究是为了提供此信息。使用官方分析化学家协会(AOAC)的方法分析了四种本地水果(指叶猴面包树,硬核巩膜菌,Sryrychnos spinosa和Vangueria infausta)的可食部分的成分,矿物质和选定的特性。获得的值(%)为:干物质11.6(S. birrea)-86.0(A. digitata),灰分3.9(V. infausta)-4.9(S. birrea),粗蛋白1.3(A. digitata)-3.7( S. birrea),ADF 6.1(S.spinosa)-39.5(V. infausta),ADL 4.4(S. spinosa)-35.5(V. infausta),NDF 6.2(S. spinosa)-39.4 V. infausta),pH 3.06(指望草)-3.98(S. birrea),酸度0.77(棘望菜)-7.85(A. digitata)。 mg / 100g新鲜样品中的维生素C含量为:67.7(V. infausta)-141.3(A. digitata)。矿物质的值(mg / 100 g)为:Ca 56(S. spinosa)-128(A. digitata),Mg 49(S. spinosa)-158(S. birrea),P 50(A. digitata) -128(V. infausta),K。1370(S.spinosa)-2183(S. birrea),Na 13.0(S. birrea)-21.7(S. spinosa),Fe 0.07(S. birrea)-0.11(S (S. spinosa)和Zn 0.02(V. infausta)-0.22(S. spinosa)。水果似乎是维生素C和矿物质K和Mg的良好来源。它们可以有助于提供营养需求,特别是在农村地区,因此应鼓励消费。

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