Comparative Analysis of the Chemical Nutrient Composition of Selected Local and Newly Introduced Rice Varieties Grown in Ebonyi State of Nigeria

International Journal of Agriculture and Forestry Pub Date : 2012-04-09 DOI:10.5923/j.ijaf.20120202.04

Oko A. O., U. B. E., Efisue A. A., D. N.

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引用次数: 114

Abstract

We investigated the chemical nutrient composition of 15 selected indigenous and five of the newly introduced hybrid rice varieties in Ebonyi State, Nigeria. The rice cultivars were field-grown, processed, and analyzed for proximate and mineral composition. The results showed that cv. "Canada" had the highest ash content (2.0 %). High percentage carbohydrate was found in all the genotypes (51.5 - 86.9 %). Cv."E4212" had the highest crude protein (7.94 %), while "Sipi" had the least (1.58 %). Cv."E4197" had the least energy value of 262.94 J/Kg, while "Canada" had the highest value of 398.82 J/Kg. "Canada" had the highest fat content (3.5 %), while "Sipi" and "Faro14 (I)" both contained the least fat (0.5 %). "China" and "Mass (II)" similarly had the highest percentage of crude fibre (2.5 %), while "E4334", "Faro 25 (II)" and "Mass (I)" all had the least value of 1.0 % for crude fibre. Cv."E4197" had a very high moisture content of 9.6 % as against "E4212" which had the least moisture content of 5.0 %. In relation to mineral content, "Chinyereugo" was highest in calcium (0.13 %), "Faro1(I)" had the highest amount of Magnesium (0.26 %), "E4197" and "E4212" had the highest percentage of phosphorus (0.55 %),"E4197" and "E4212" had the highest concentration of potassium (0.23 %), while "Canada", "Faro15 (II)" and "Chinyereugo" possessed the highest percentage of sodium (0.17 %). One of the newly introduced hybrid varieties "E4212" had relatively higher protein and mineral contents, but less fat content. "Sipi" variety has no special quality attributes over the other existing local rice varieties apart from the fact that it is among the varieties that contain relatively low fat percentage just as "Faro 14". The "Faro" varieties showed good proximate and mineral composition values which consumers would desire. The high premium presently placed on "Mass" varieties is uncalled for, since it has got no special characteristics over most other varieties. Consumers and farmers should therefore be better informed on the choice of rice varieties based on their nutritional quality attributes.

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尼日利亚埃邦伊州本地和新引进水稻品种化学营养成分的比较分析

我们调查了尼日利亚埃邦伊州15个精选的本地品种和5个新引进的杂交水稻品种的化学营养成分。这些水稻品种在田间种植、加工，并分析了其近似成分和矿物成分。结果表明，cv。“加拿大”的灰分含量最高(2.0%)。所有基因型均有较高的碳水化合物比例(51.5% ~ 86.9%)。简历。“E4212”粗蛋白质含量最高(7.94%)，“Sipi”最低(1.58%)。简历。“E4197”的能量值最低，为262.94 J/Kg，“加拿大”的能量值最高，为398.82 J/Kg。“Canada”的脂肪含量最高(3.5%)，“Sipi”和“Faro14 (I)”的脂肪含量最低(0.5%)。同样，“China”和“Mass (II)”的粗纤维含量最高(2.5%)，而“E4334”、“Faro 25 (II)”和“Mass (I)”的粗纤维含量最低，为1.0%。简历。“E4197”的水分含量非常高，为9.6%，而“E4212”的水分含量最低，为5.0%。矿物质含量方面，“Chinyereugo”钙含量最高(0.13%)，“Faro1(I)”镁含量最高(0.26%)，“E4197”和“E4212”磷含量最高(0.55%)，“E4197”和“E4212”钾含量最高(0.23%)，“Canada”、“Faro15 (II)”和“Chinyereugo”钠含量最高(0.17%)。其中新引进的杂交种E4212蛋白质和矿物质含量较高，但脂肪含量较低。“思皮”品种除了与“法鲁14”一样属于脂肪含量相对较低的品种外，与其他地方现有的水稻品种相比，没有什么特殊的品质属性。“Faro”品种显示出消费者所希望的良好的近似和矿物成分价值。目前对“大众”品种的高额溢价是没有必要的，因为它与大多数其他品种相比没有什么特别之处。因此，消费者和农民应该更好地了解根据其营养质量属性选择水稻品种的情况。

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International Journal of Agriculture and Forestry

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