bokee.net

个体业主博客

正文 更多文章

饲料工业

纤维素酶是目前饲料工业中应用较广的一种饲料用酶。许多实验结果表明:在动物饲料中添加适量的纤维素酶可以提高饲料的利用率和动物的生长速度,对反刍动物的效果尤为明显。具有实际应价值的纤维素酶都是由微生物发酵法生产的。本文就纤维分解菌的酶活测定及麸皮的开发和利用进行综述.

AbstractCellulase is currently the feed enzyme that enjoys wide application in feed industry. Many experimental results showed that the addition of appropriate amount of cellulase in animal feed can increase the utilization rate of feed and quicken the growth of animals, and the effect on ruminant animals is especially remarkable. Cellulase, which has a high value of practical application, is produced by means of microorganism fermentation. This paper is a general review of the determination of enzyme activity in cellulose-decomposing bacteria & the development and utilization of wheat bran.

 

 

本论文研究纤维素分解菌RC-2分解滤纸能力及发酵麸皮的效果。采用DNS方法测定FPA酶活。饲料养分概略分析法测定发酵前后产物的营养成分。结果表明,用查别氏培养基培养6d时,FPA酶活力最高,为0.023u/ml;培养RC-2发酵麸皮7d后,粗纤维降低了1.22%,粗蛋白质增加了1.3%,发酵后麸皮从片状变成颗粒状,并具有一定芳香性。这说明纤维分解菌RC-2具有比较强的纤维分解能力并能够使麸皮粗纤维降低,粗蛋白质提高,使产物具有芳香性。

This article is a study of the capability of cellulose-decomposing bacteria in decomposing filter paper and the effect of the wheat bran zymotechnics. DNS technique was adopted to determine the FPA enzymatic activity. A summarized analytical technique for feed nutrient was employed to determine the nutrient contents of products before and after fermentation. The results showed that the 6-day culture with CBC medium revealed the highest FPA enzyme activity of  0.023uml, and that after 7 days fermentation of wheat bran with cultured RC-2, crude fiber declined by 1.22%, while crude protein increased by 1.3%. After fermentation, wheat bran changed from chips to granular forms and emitted a certain aroma. The study demonstrated that cellulose-decomposing bacteria RC-2 is highly capable of fiber decomposition and can decrease the crude fiber and increase the crude protein of wheat bran and make the product full of aroma.     

分享到:

上一篇:纤维素酶

下一篇:评标

评论 (0条) 发表评论

抢沙发,第一个发表评论
验证码