动物营养学报 >

2018 , Vol. 30 >Issue 6: 2369 - 2376

DOI: https://doi.org/10.3969/j.issn.1006-267x.2018.06.042

饲料资源开发 Feed Resources Development

不同类型酒糟营养成分组成差异的比较研究

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  • 1. 四川农业大学动物营养研究所, 雅安 625014;
    2. 中粮(成都)粮油工业有限公司, 成都 610000
李倩(1991-),女,河北石家庄人,硕士研究生,从事反刍动物营养研究。E-mail:1549800577@qq.com

收稿日期: 2017-11-22

  网络出版日期: 2018-06-20

基金资助

四川省科技支撑计划：牦牛、肉牛专用补饲料研发与示范（2016NZ0008）；国家现代农业（肉牛/牦牛）产业技术体系（CARS-38）

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Comparative Study on Nutrients Compositions of Different Types of Distillers' Grains

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  • 1. Animal Nutrition Institute of Sichuan Agricultural University, Ya'an 625014, China;
    2. COFCO(Chengdu) Grain & Oil Industry Co., Ltd., Chengdu 610000, China

Received date: 2017-11-22

  Online published: 2018-06-20

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摘要

本研究旨在比较不同类型酒糟营养成分组成差异并评定其营养价值。采集了5类酒糟样品共24个，其中浓香型高粱酒糟8个，酱香型高粱酒糟4个，青稞酒糟4个，玉米酒糟3个，啤酒糟5个，分析其养分组成，并应用康奈尔净碳水化合物-蛋白质体系（CNCPS）对其瘤胃降解特性进行评定，利用原子吸收法测定其铁、铜、锰、锌含量，并测定其抗营养因子单宁和硅含量。结果表明：1）啤酒糟pH和初水含量显著高于其他酒糟（P<0.05）。2）啤酒糟粗蛋白质含量最高，显著高于浓香型高粱酒糟、青稞酒糟和玉米酒糟（P<0.05）。啤酒糟和酱香型高粱酒糟中性洗涤不溶蛋白质（NDIP）含量显著高于其他酒糟（P<0.05）。浓香型高粱酒糟和酱香型高粱酒糟酸性洗涤不溶蛋白质（ADIP）含量显著高于其他酒糟（P<0.05）。玉米酒糟粗脂肪含量显著高于其他酒糟（P<0.05）。浓香型高粱酒糟的粗纤维、中性洗涤纤维、酸性洗涤纤维和酸性洗涤木质素含量显著高于其他酒糟（P<0.05）。玉米酒糟淀粉含量显著高于其他酒糟（P<0.05），啤酒糟淀粉含量显著低于其他酒糟（P<0.05）。3）按CNCPS划分，啤酒糟快速降解碳水化合物（CA）比例显著高于其他酒糟（P<0.05），玉米酒糟中速降解碳水化合物（CB1）比例显著高于其他酒糟（P<0.05），浓香型高粱酒糟不可降解碳水化合物（CC）比例显著高于其他酒糟（P<0.05），啤酒糟慢速降解真蛋白质（PB3）比例显著高于其他酒糟（P<0.05），浓香型高粱酒糟不可降解真蛋白质（PC）比例显著高于其他酒糟（P<0.05）。4）浓香型高粱酒糟和酱香型高粱酒糟铁和锰含量显著高于其他酒糟（P<0.05），啤酒糟铜和锌含量显著高于其他酒糟（P<0.05）。5）啤酒糟单宁含量显著低于其他酒糟（P<0.05），浓香型高粱酒糟硅含量显著高于其他酒糟（P<0.05）。由此可见，不同类型酒糟营养成分组成差异较大。玉米酒糟提供了最优质的碳水化合物组分，啤酒糟提供了最优质的蛋白质组分，青稞酒糟和酱香型高粱酒糟品质较优，浓香型高粱酒糟品质最差，应根据实际生产需求合理添加。

关键词： 酒糟; 营养成分; CNCPS

本文引用格式

李倩, 裴朝曦, 王之盛, 彭全辉, 薛白, 王立志, 邹华围, 周婷, 李峰鹏, 王雪莹, 祝伊枭, 夏科 . 不同类型酒糟营养成分组成差异的比较研究[J]. 动物营养学报, 2018 , 30(6) : 2369 -2376 . DOI: 10.3969/j.issn.1006-267x.2018.06.042

Abstract

This experiment was conducted to compare the nutrients compositions and evaluate the nutrients values of different types of distillers' grains. The 24 distillers' grains samples were divided into five categories, 8 Luzhou-sorghum distillers' grains (L-SDG), 4 Maotai-sorghum distillers' grains (M-SDG), 4 highland barley distillers' grains (HBDG), 3 corn distillers' grains (CDG), 5 barley brewers' grains (BBG), analysed the nutrients compositions, evaluated ruminal fermentation characteristics by Cornell net carbohydrate and protein system (CNCPS), determined the contents of iron, copper, manganese and zinc by atomic absorption spectrometry, and determined the contents of anti-nutritional factors, such as tannin and silicon. The results showed as follows:1) the pH and primary moisture content of BBG were significantly higher than those of other distillers' grains (P<0.05). 2) BBG had the highest content of crude protein, and significantly higher than that of L-SDG, HBDG and CDG (P<0.05). The neutral detergent insoluble protein (NDIP) content of BBG and M-SDG was significantly higher than that of other distillers' grains (P<0.05). The acid detergent insoluble protein (ADIP) content of L-SDG and M-SDG was significantly higher than that of other distillers' grains (P<0.05). The ether extract content of CDG was significantly higher than that of other distillers' grains (P<0.05). The crude fiber, neutral detergent fiber, acid washing fiber and acid detergent lignin contents of M-SDG were significantly higher than those of other distillers' grains (P<0.05). The starch content of CDG was significantly higher than that of other distillers' grains (P<0.05), the starch content of BBG was significantly lower than that of other distillers' grains (P<0.05). 3) According to the CNCPS method' division, the of carbohydrate proportion of BBG (CA) was significantly higher than that of other distillers' grains (P<0.05), the carbohydrate proportion of CDG (CB1) was significantly higher than that of other distillers' grains (P<0.05), the carbohydrate proportion of L-SDG (CC) was significantly higher than that of other distillers' grains (P<0.05), the protein proportion of BBG (PB3) was significantly higher than that of other distillers' grains (P<0.05), the protein proportion of L-SDG (PC) was significantly higher than that of other distillers' grains (P<0.05). 4) The iron and manganese contents of L-SDG and M-SDG were significantly higher than those of other distillers' grains (P<0.05), the copper and zinc contents of BBG were significantly higher than those of other distillers' grains (P<0.05). 5) The tannin content of BBG was significantly lower than that of other distillers' grains (P<0.05), the silicon content of L-SDG was significantly higher than that of other distillers' grains (P<0.05). It is concluded that there are differences in the conventional nutrients of different types of distillers' grains. CDG provide the highest carbohydrate quality and BBG provide the highest protein quality, HBDG and M-SDG have better quality, and the quality of L-SDG is the worst. We should add them in feed reasonably based on the actual production needs.

Key words： distillers' grains; nutrient compositions; CNCPS

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