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:10.11733/j.issn.1007-0435.2015.06.027

草地学报 ›› 2015, Vol. 23 ›› Issue (6): 1317-1322.DOI: 10.11733/j.issn.1007-0435.2015.06.027

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, 丁良¹, 吴琳¹, 张建国², 邵涛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:2014-08-21 修回日期:2014-12-06 出版日期:2015-12-15 发布日期:2016-02-01
通讯作者: 邵涛
作者简介:刘秦华(1983-),男,重庆人,博士,讲师,主要从事饲草调制加工与贮藏研究,E-mail:liuqinhua@njau.edu.cn
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);农业部行业专项“南方青绿秸秆饲料化利用技术”资助

Effects of Additives on the Fermentation Quality, α-tocopherol and β-carotene of Napier Grass (Pennisetum purpureum Schumach.) Silage

LIU Qin-hua¹, LI Xiang-yu¹, DING Liang¹, WU Lin¹, ZHANG Jian-guo², SHAO Tao¹

1. Institute of Ensiling and Processing of Grass, Nanjing Agricultural University, Nanjing, Jiangsu Province 210095, China;
2. College of Agriculture, South China Agricultural University, Guangzhou, Guangdong Province 510642, China

Received:2014-08-21 Revised:2014-12-06 Online:2015-12-15 Published:2016-02-01

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,研究了添加剂(无添加,CK;邻叔丁基对苯二酚,T;植物乳杆菌,L;植物乳杆菌和邻叔丁基对苯二酚组合添加,TL)和贮藏时间(35 d和70 d)对象草(Pennisetum purpureum Schumach.)青贮品质的影响。结果表明:在两个贮藏时间,象草青贮饲料发酵品质都良好;L和TL组降低了饲料pH (P<0.05),增加了乳酸含量和乳酸乙酸比(P<0.05);T组在两个贮藏时间的所有发酵品质参数与CK组无显著差异。L和TL组在两个贮藏时间的α-生育酚显著低于CK组和T组(P<0.05),T和TL组在贮藏70天的β-胡萝卜素含量显著低于CK组(P<0.05)。综上所述,无添加剂的象草低温15℃贮藏70 d后的青贮发酵品质良好,α-生育酚和β-胡萝卜素的损失较小。

关键词: 象草, 发酵品质, 添加剂, &alpha, -生育酚, &beta, -胡萝卜素

Abstract:

In order to improve fermentation quality, decrease the losses of α-tocopherol and β-carotene, the effects of additives (no additives, CK; o-tert-butyidihydroxoybenzene,T; Lactobacillus plantarum, L; combined T with L, TL) and storage times (35 d and 70 d) on napier grass silage were studied. Results showed that napier grass was well preserved in both storage times. L and TL decreased pH (P<0.05), increased lactic acid content and ratio of lactic acid to acetic acid (P<0.05). There were no significant differences in fermentation parameters between well preserved T and CK in both storage times. The silage treated with L and TL had lower α-tocopherol content than CK and T in both storage times (P<0.05). The silage treated with L had lower β-carotene content than CK after ensiling for 35 d (P<0.05). The silage treated T and TL had lower β-carotene content than CK after ensiling for 70 d (P<0.05). In conclusion, after ensiling for 70 d at 15℃, napier grass silage without additive was of good fermentation quality and little losses of α-tocopherol and β-carotene.

Key words: Napier grass, Fermentation quality, Additives, α-tocopherol, β-carotene

中图分类号:

S816.53

刘秦华, 李湘玉, 丁良, 吴琳, 张建国, 邵涛. 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]. 草地学报, 2015, 23(6): 1317-1322.

LIU Qin-hua, LI Xiang-yu, DING Liang, WU Lin, ZHANG Jian-guo, SHAO Tao. Effects of Additives on the Fermentation Quality, α-tocopherol and β-carotene of Napier Grass (Pennisetum purpureum Schumach.) Silage[J]. Acta Agrestia Sinica, 2015, 23(6): 1317-1322.

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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

Effects of Additives on the Fermentation Quality, α-tocopherol and β-carotene of Napier Grass (Pennisetum purpureum Schumach.) Silage

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