动物营养学报 >

2017 , Vol. 29 >Issue 11: 4101 - 4107

DOI: https://doi.org/10.3969/j.issn.1006-267x.2017.11.032

研究简报 Short Communications

高效调质低温制粒工艺对颗粒饲料加工质量及维生素E保留率的影响

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  • 1. 中国农业科学院饲料研究所, 北京 100081;
    2. 农业部食物与营养发展研究所, 北京 100081;
    3. 农业部饲料生物技术重点实验室, 北京 100081;
    4. 中国农业科学院北京畜牧兽医研究所, 北京 100081;
    5. 上海新农饲料股份有限公司, 上海 201613
段海涛(1989-),男,河南周口人,博士研究生,从事饲料加工与动物营养研究。E-mail:woshiduanhaitao@126.com

收稿日期: 2017-05-10

  网络出版日期: 2017-10-31

基金资助

公益性行业（农业）科研专项项目“饲料高效低耗加工技术研究与示范”（201203015）

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Effects of High Efficient Conditioner and Low Temperature Pelletize Process on Feed Processing Quality and Retention of Vitamin E

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  • 1. Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
    2. Institute of Food and Nutrition Development, Ministry of Agriculture, Beijing 100081, China;
    3. The key Laboratory of Feed Biotechnology of Ministry of Agriculture, Beijing 100081, China;
    4. Institute of Animal Science, Chinese Academy of Agriculture Sciences, Beijing 100081, China;
    5. Shanghai New Agricultural Feed Limited by Share Ltd., Shanghai 201613, China

Received date: 2017-05-10

  Online published: 2017-10-31

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摘要

本试验旨在研究同一饲料配方条件下，高效调质低温制粒工艺对颗粒饲料加工质量及维生素E保留率的影响。对照组（A组）饲料采用普通畜禽饲料加工工艺，试验组饲料分别选用3种调质器，即双层调质器（B组）、调质保持器（C组）及膨胀器（D组），对饲料配方中大料混合料进行湿热处理，经湿热处理后的大料混合料与添加剂和其他饲料原料混合后经低温（50、55、60和65℃）调质后制粒。结果表明，大料混合料经双层调质器处理后淀粉糊化度显著低于调质保持器及膨胀器处理后（P<0.05）。D组淀粉糊化度显著高于B组及C组（P<0.05），C组颗粒硬度显著高于B组及D组（P<0.05），C组颗粒耐久性指数显著高于B组及D组（P<0.05），B组颗粒成型率显著低于其余3组（P<0.05），B组、C组及D组维生素E保留率显著高于A组（P<0.05）。65℃组淀粉糊化度显著高于50、55及60℃组（P<0.05），65℃组颗粒硬度显著高于50、55及60℃组（P<0.05），65℃组颗粒耐久性指数显著高于50、55及60℃组（P<0.05），65℃组颗粒成型率显著高于50及55℃组（P<0.05），65℃组维生素E保留率显著低于50、55及60℃组（P<0.05）。由此可见，大料混合料经调质保持器加工熟化，采用65℃低温制粒能有效保护维生素E热敏性成分，且饲料加工质量与普通畜禽饲料加工工艺制得的饲料无显著差异。

关键词： 大料混合料; 调质器; 加工质量; 加工工艺

本文引用格式

段海涛, 李军国, 葛春雨, 李俊, 董颖超, 秦玉昌, 孙杰 . 高效调质低温制粒工艺对颗粒饲料加工质量及维生素E保留率的影响[J]. 动物营养学报, 2017 , 29(11) : 4101 -4107 . DOI: 10.3969/j.issn.1006-267x.2017.11.032

Abstract

This experiment was to study the effects of high efficient conditioner and low temperature pelletize process on feed processing quality and retention of vitamin E under the same feed formula. Feed in the control group (group A) used a ordinary livestock feed processing technology, and feed in the experimental groups used three kinds of conditioning:double conditioning (B group), conditioning retainer (C group) and expander (D group), and the macro materials of feed formula were treated in hot and humid processing, the treated macro materials were mixed with additive and other feed ingredients and using low temperature (50, 55, 60, and 65℃) conditioning then granulating. The results show that the starch gelatinization degree of macro materials treated after double tempering was significantly lower than that treated after conditioning retainer and expander (P<0.05); the starch gelatinization degree of group D was significantly higher than that of group B and group C (P<0.05), the grain hardness of group C was significantly higher than that of group B and group C (P<0.05), the particles durability index of group C was significantly higher than that of group B and group D (P<0.05), the pellet formation rate of group B was significantly lower than that of other three groups (P<0.05), the retention of vitamin E of group B, group C and group D was significantly higher than that of group A (P<0.05). The starch gelatinization degree of 65℃ group was significantly higher than that of 50, 55 and 60℃ groups (P<0.05), the grain hardness of 65℃ group was significantly higher than that of 50, 55 and 60℃ groups (P<0.05), the particles durability index of 65℃ group was significantly higher than that of 50, 55 and 60℃ groups (P<0.05), the pellet formation rate of pellet formation rate of was significantly higher than that of 50 and 55℃ groups (P<0.05), the retention of vitamin E of 65℃ group was significantly higher than that of 50, 55 and 60℃ groups (P<0.05). In conclusion, macro materials cured with conditioning retainer and pelleted at 65℃ low temperature feed processing can protect vitamin E heat-sensitive ingredients, and the feed quality has no significant difference with feed in the ordinary feed processing technology.

Key words： macro materials; conditioner; processing quality; processing technology

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