›› 2014, Vol. 41 ›› Issue (11): 107-114.

• 动物营养与饲料科学 • 上一篇    下一篇

乳酸菌固态发酵酶解对豆粕、棉籽粕和菜籽粕粗蛋白质、pH、酸度及抗营养因子含量的影响

魏炳栋1, 党修利2, 邱玉朗1, 陈群1, 李林1, 刘海燕1   

  1. 1. 吉林省农业科学院畜牧分院, 吉林公主岭 136100;
    2. 吉林省长春皓月清真肉业股份有限公司, 吉林长春 130013
  • 收稿日期:2014-05-04 出版日期:2014-11-20 发布日期:2014-12-06
  • 通讯作者: 陈群 E-mail:chenqun96@163.com
  • 作者简介:魏炳栋(1981-),男,甘肃人,博士生,副研究员,研究方向:动物营养代谢。
  • 基金资助:
    吉林省科技厅重点科技攻关项目(20130206038NY);生猪健康养殖模式构建与示范(2012BAD39B03)。

Effect of Lactic Acid Bacteria Solid-state Fermentation on Crude Protein,pH,Acidity and Antinutritional Factor Content of Soybean Meal,Cottonseed Meal and Rapeseed Meal

WEI Bing-dong1, DANG Xiu-li2, QIU Yu-lang1, CHEN Qun1, LI Lin1, LIU Hai-yan1   

  1. 1. Branch Institute of Animal Husbandry, Jilin Academy of Agriculture Sciences, Gongzhuling 136100, China;
    2. Jilin Province Changchun Haoyue Halal Meat Co., Ltd., Changchun 130013, China
  • Received:2014-05-04 Online:2014-11-20 Published:2014-12-06

摘要: 本试验旨在研究乳酸菌和酸性蛋白酶复合固态发酵对豆粕、棉籽粕和菜籽粕粗蛋白质、pH、酸度及抗营养因子含量的影响。以乳酸菌和酸性蛋白酶为发酵剂,对豆粕、棉籽粕和菜籽粕进行固态厌氧发酵,每隔12 h采样1次(其中粗蛋白质测定为每隔24 h采样1次),共发酵72 h。结果表明,乳酸菌固态发酵酶解豆粕、棉籽粕和菜籽粕均能有效提高粗蛋白质含量,降低pH,使酸度增加;乳酸菌固态发酵酶解能有效降解豆粕中胰蛋白酶抑制剂、水苏糖和棉籽糖含量,棉籽粕中单宁及菜籽粕中异硫氰酸酯和唑烷硫酮,而对游离棉酚及植酸的降解能力有限。由此可知,乳酸菌固态发酵酶解能通过提高豆粕、棉籽粕和菜籽粕中粗蛋白质含量、降低pH及对抗营养因子的降解,从而达到改善饲料品质的目的。

关键词: 乳酸菌; 酸性蛋白酶; 豆粕; 棉籽粕; 菜籽粕; 发酵; 酶解

Abstract: This experiment was conducted to investigate the effect of lactic acid bacteria and acidic protease solid-state fermentation on crude protein,pH,acidity and antinutritional factor content of soybean meal,cottonseed meal and rapeseed meal.The total fermentation time was 72 hours,and collected samples in every 12 hours (collected samples in every 24 hours for exterminating crude protein).The results showed that the crude protein content,and acidity of soybean meal,cottonseed and rapeseed meal were increase in different extents,and the pH was declined by lactic acid bacteria and acidic protease compound solid-state fermentation.The contents of trypsin inhibitor,lupeose and raffinose in soybean meal were remarkably declined,and the contents of tannin in cottonseed meal and the contents of ITC and OZT in rapeseed meal were declined in varying degrees.But the degradation ability of phytic acid and free gossypol was very limited.It was concluded that the lactic acid bacteria and acidic protease compound solid-state fermentation could improve the crude protein content and acidity,decrease the pH of fermentation substrate,and could remarkable decline the contents of antinutritional factor contents of soybean meal,cottonseed meal and rapeseed meal,so obviously improve the nutritional value.

Key words: lactic acid bacteria; acidic protease; soybean meal; cottonseed meal; rapeseed meal; fermentation; enzymolysis

中图分类号: