温度和添加剂对象草青贮发酵品质、α-生育酚和β-胡萝卜素的影响

doi:10.11686/cyxb2014338

草业学报 ›› 2015, Vol. 24 ›› Issue (7): 116-122.DOI: 10.11686/cyxb2014338

温度和添加剂对象草青贮发酵品质、α-生育酚和β-胡萝卜素的影响

刘秦华¹, 李湘玉¹, 李君风¹, 白晰¹, 张建国², 邵涛^{1*, *}, 吴琳¹, 赵新国¹, 田佳鹭¹

1.南京农业大学饲草调制加工与贮藏研究所,江苏南京 210095;
2.华南农业大学农学院,广东广州 510642

收稿日期:2014-08-20 出版日期:2015-07-20 发布日期:2015-07-20
作者简介:刘秦华(1983-),男,重庆人,讲师,博士。E-mail: liuqinhua@njau.edu.cn*通讯作者Corresponding author. E-mail: taoshaolan@163.com
基金资助:
南京农业大学青年科技创新基金(KJ2013022),南京农业大学大学生实践创新计划训练项目(1426A02)和中国科学院科技服务网络计划(KFJ-EW-STS-071)资助

Effect of temperature and additives on fermentation and α-tocopherol and β-carotene content of Pennisetum purpureum silage

LIU Qin-Hua¹, LI Xiang-Yu¹, LI Jun-Feng¹, BAI Xi¹, ZHANG Jian-Guo², SHAO Tao^{1, *}, WU Lin¹, ZHAO Xin-Guo¹, TIAN Jia-Lu¹

1.Institute of Ensiling and Processing of Grass, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China;
2.College of Agriculture, South China Agricultural University, Guangzhou 510642, China

Received:2014-08-20 Online:2015-07-20 Published:2015-07-20

摘要/Abstract

摘要： 为提高青贮饲料的发酵品质,降低α-生育酚和β-胡萝卜素的损失,研究了温度(45,30和15℃)和添加剂(无添加:CK;纤维素酶:E;植物乳杆菌:LP)对象草青贮饲料的影响。试验结果表明,在所有温度水平,象草青贮饲料的发酵品质良好,但30℃时产生了少量丁酸,发酵品质略有下降;添加LP和E降低了pH(P<0.05),增加了乳酸含量和乳酸乙酸比(P<0.05),提高了发酵品质。象草青贮饲料贮藏在45和15℃时的α-生育酚含量显著高于30℃(P<0.05),β-胡萝卜素含量显著低于30℃(P<0.05)。LP和E添加组在所有温度水平的α-生育酚和β-胡萝卜素含量均较低(P<0.05)。E组在45℃的α-生育酚含量显著高于LP组,E组在30和15℃的β-胡萝卜素含量显著高于LP组。

Abstract: The effects of temperature (45, 30, 15℃) and additives (no additives: CK; cellulase: E; Lactobacillus plantarum: LP), on the fermentation and α-tocopherol and β-carotene content of Pennisetum purpureum silages was determined. The results indicated that the P. purpureum silage produced good fermentation at all temperatures; ensiling at 30℃ produced less butyric acid however. Additives (LP and E) produced significantly higher lactic acid content, lactic acid to acetic acidratio and lower pH (P<0.05) than silages without additive (CK), indicating additives can improve fermentation quality of P. purpureum silage. The study revealed that P. purpureum silage fermented at 30℃ had significantly higher β-carotene, but lower α-tocopherol content than silages fermented at 45 and 15℃ (P<0.05). Silage supplemented with LP and E had lower α-tocopherol and β-carotene contents (P<0.05). E treated silage had higher α-tocopherol content at 30℃ (P<0.05) and higher β-carotene content at 30℃ and 15℃ (P<0.05) than LP treated silage.

刘秦华, 李湘玉, 李君风, 白晰, 张建国, 邵涛, 吴琳, 赵新国, 田佳鹭. 温度和添加剂对象草青贮发酵品质、α-生育酚和β-胡萝卜素的影响[J]. 草业学报, 2015, 24(7): 116-122.

LIU Qin-Hua, LI Xiang-Yu, LI Jun-Feng, BAI Xi, ZHANG Jian-Guo, SHAO Tao, WU Lin, ZHAO Xin-Guo, TIAN Jia-Lu. Effect of temperature and additives on fermentation and α-tocopherol and β-carotene content of Pennisetum purpureum silage[J]. Acta Prataculturae Sinica, 2015, 24(7): 116-122.

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温度和添加剂对象草青贮发酵品质、α-生育酚和β-胡萝卜素的影响

Effect of temperature and additives on fermentation and α-tocopherol and β-carotene content of Pennisetum purpureum silage

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