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首页> 外文期刊>African Journal of Food, Agriculture, Nutrition and Development >Nutrient value and in vitro gas production of African wild cocoyam ( Colocasia esculentrum ).
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Nutrient value and in vitro gas production of African wild cocoyam ( Colocasia esculentrum ).

机译：非洲野生可可粉（Colocasia esculentrum）的营养价值和体外产气量。

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Cost of feeding conventional feedstuffs to ruminants in Nigeria is prohibitive. African wild cocoyam ( Colocasia esculentrum ) is an unconventional energy feed source and non human edible food. The study determined the chemical composition and energy content, secondary metabolites and in vitro gas production characteristics of the African wild cocoyam (AWC). There were two main treatments which comprised soaking in boiled water or cold water for 0 (raw as control) 3, 6 and 9 days. Dry matter (DM) of boiled water treated wild cocoyam (BWTAWC) and DM in cold water treated wild cocoyam (CWTAWC) decreased from 64 % to 43 % in 9 day BWTAWC and 64 % to 52 % in 9 day CWTAWC. Crude fibre, ether extract, neutral detergent fibre and gross energy contents decreased with increasing days of soaking and ranged from 11 – 21 % (BWTAWC) and 18 – 21 % (CWTAWC), 3.9 - 6.5 % (BWTAWC) and 5 - 6.5 % (CWTAWC), 32.5 - 56.1 % (BWTAWC) and 38 - 56.1 % (CWTAWC) and 3.66 - 4.29 % (BWTAWC) and 4.10 - 4.29 % (CWTAWC), respectively. Method of soaking and length of soaking marginally increased contents of crude protein (range = 4.7 - 5.8 %) and ash (range = 8 – 13 %). Secondary metabolites present were saponin and steroids, with no tannin. Medium saponin content was detected and it decreased by soaking method and duration of soaking. There were significant (P 0.05) different. Results showed that with high energy value, medium saponin, enhanced organic matter digestibility and relatively low methane production, African wild cocoyam has potential to be used as energy feed for ruminants. Treatment by soaking in water reduced the secondary metabolites and, therefore, safe for livestock feeding. Keywords :Cocoyam, nutrients, metabolites, gas production. AJFAND Vol. 9 (1) 2009: pp. 594-607
机译：在尼日利亚向反刍动物饲喂常规饲料的成本高昂。非洲野生可可粉（Colocasia esculentrum）是一种非常规的能源饲料来源，也是非人类可食用的食物。该研究确定了非洲野生可可粉（AWC）的化学成分和能量含量，次生代谢产物以及体外产气特性。有两种主要的治疗方法，包括在开水或冷水中浸泡3天，6天和9天0（作为对照）。开水处理过的野生可可粉（BWTAWC）的干物质（DM）和冷水处理过的野生可可粉（CWTAWC）中的DM从9天的BWTAWC中的64％降至43％，在9天的CWTAWC中从64％降至52％。原油纤维，醚提取物，中性洗涤剂纤维和总能量含量随着浸泡天数的增加而降低，分别为11-21％（BWTAWC）和18-21％（CWTAWC），3.9-6.5％（BWTAWC）和5-6.5％ （CWTAWC），32.5-56.1％（BWTAWC）和38-56.1％（CWTAWC）和3.66-4.29％（BWTAWC）和4.10-4.29％（CWTAWC）。浸泡方法和浸泡时间略有增加，其中粗蛋白（范围= 4.7-5.8％）和灰分（范围= 8 – 13％）的含量。存在的次要代谢产物是皂苷和类固醇，没有单宁。检测到中等皂苷含量，并通过浸泡方法和浸泡时间降低。有显着性差异（P <0.05）。结果表明，非洲野生可可粉具有较高的能量值，中等的皂苷，增强的有机物消化率和较低的甲烷生成量，具有被用作反刍动物的能量饲料的潜力。通过浸泡在水中进行处理减少了次生代谢产物，因此对于牲畜饲养是安全的。关键词：辅酶，养分，代谢物，产气量。 AJFAND卷9（1）2009：第594-607页

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