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首页> 外文期刊>International Journal of Biochemistry Research & Review >Proximate Analysis, Hydrogen Cyanide and Some Essential Mineral Content of Sweet Cassava Variety (Manihot utilisima) and Bitter Cassava Variety (Manihot palmata) Cultivated in Kachia Local Government Area of Kaduna State, Nigeria
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Proximate Analysis, Hydrogen Cyanide and Some Essential Mineral Content of Sweet Cassava Variety (Manihot utilisima) and Bitter Cassava Variety (Manihot palmata) Cultivated in Kachia Local Government Area of Kaduna State, Nigeria

机译：尼日利亚卡杜纳州卡奇亚地方政府耕地的甜木薯品种和苦木薯品种的最近分析，氰化氢和一些必需矿物质含量

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This study investigated the proximate composition and the hydrogen cyanide content of two different cassava species, bitter cassava and sweet cassava species ( Manihot esculenta Crantz ) harvested from Kachia Local Government Area of Kaduna State, Nigeria. The proximate composition analysis were determined using standard methods and the hydrogen cyanide content of the cassava samples were determined using fermentation and titration methods. The mean result of proximate analysis of both species showed that the fresh samples of sweet cassava variety had chloride content value of 0.0024±0.0002 mg/L, ash content: 0.87±0.44%, moisture content: 41.05±2.26%, dry matter: 58.9±0.14% and fat content: 0.57±0.42%. The bitter cassava variety had chloride content value of 0.0028±0.0000 mg/L, ash content: 0.94±0.06%, moisture content: 38.2±2.69%, dry matter: 61.7±2.69% and fat content: 0.49±0.42%. These values were within the Food and Agricultural Organization and World Health Organization (FAO/WHO) standards for proximate composition in cassava except for the high moisture content of both species which was above the permissible limit. The mean total HCN content in bitter cassava was 89.60 mg/Kg, while the sweet cassava had an HCN content value of 80.60 mg/Kg. The yeast fermentation procedures was employed and the mean extracted hydrogen cyanide content obtained was as follows: 69.33±2.80 HCN mg/Kg for the sweet cassava and 85.33±4.61 HCN mg/Kg content in the bitter cassava species; the remaining free HCN in both cassava varieties were within recommended consumption limit. The mineral concentration in both cassava varieties were however lower than the recommended mineral values as stated by United States Department of Agriculture USDA, 2016.
机译：这项研究调查了两种不同的木薯的近成分和氰化氢含量，两种木薯是苦味木薯和甜木薯（Manihot esculenta Crantz），产自尼日利亚卡杜纳州卡奇亚地方政府地区。使用标准方法确定最近的成分分析，并使用发酵和滴定方法确定木薯样品中氰化氢的含量。两种木薯的最近分析的平均结果表明，甜木薯品种的新鲜样品的氯化物含量值为0.0024±0.0002 mg / L，灰分含量为：0.87±0.44％，水分含量为：41.05±2.26％，干物质为：58.9 ±0.14％，脂肪含量：0.57±0.42％。苦木薯的氯化物含量值为0.0028±0.0000 mg / L，灰分为0.94±0.06％，水分为38.2±2.69％，干物质为61.7±2.69％，脂肪为0.49±0.42％。这些值均符合粮食及农业组织和世界卫生组织（粮农组织/世卫组织）关于木薯中近邻成分的标准，但两种物种的高水分含量均超出了允许的限度。苦木薯中HCN的平均总含量为89.60 mg / Kg，而甜木薯的HCN值为80.60 mg / Kg。使用酵母发酵程序，获得的平均提取的氰化氢含量如下：甜木薯为69.33±2.80 HCN mg / Kg，苦木薯种为85.33±4.61 HCN mg / Kg;两个木薯品种中剩余的游离HCN均在建议的消费限制内。然而，两种木薯品种的矿物质浓度均低于美国农业部USDA，2016年规定的建议矿物质值。

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