肉粉的营养价值研究与安全性评价
发布时间：2019-06-17 12:27
【摘要】：本文以采集到的40份国产饲料级肉粉为研究对象,评价其常规营养指标和质量安全指标,旨在对肉粉的品质进行全面系统地调查,为生产上合理使用肉粉提供理论依据,为制定和修订饲料级肉粉标准提供参考数据。本试验采用国标法对肉粉常规营养指标进行测定,利用ICP-MS法、国标法对肉粉中6种常见重金属(铬、砷、铅、钒、镉、汞)进行定量检测。结果表明:肉粉的品质不稳定,常规营养成分波动较大,粗灰分、粗脂肪变异系数最大;粗蛋白质含量为60%~75%,也有少数样品低于50%;钙磷比接近2∶1,同时,肉粉中钙、磷含量波动较大;粗灰分含量为5%~15%,少数样品含量为15%~20%。国产肉粉中氨基酸种类较多,各种氨基酸含量分布不均,谷氨酸(Glu)含量最高,接近8%,其次是甘氨酸(Gly),接近7%,蛋氨酸(Met)、组氨酸(His)含量较低。在重金属方面,铬、砷、铅、钒、汞、镉平均含量未超出限量标准值,但少量样品出现重金属超标。综上所述,国产饲料级肉粉营养品质不稳定,氨基酸组成丰富,但含量差异较大,少量肉粉存在重金属超标现象,肉粉的质量安全问题应引起重视。
[Abstract]:In this paper, 40 samples of domestic feed grade meat meal were taken as the research object, and their conventional nutrition indexes and quality and safety indexes were evaluated in order to investigate the quality of meat meal comprehensively and systematically, to provide theoretical basis for the rational use of meat meal in production, and to provide reference data for formulating and revising the standard of feed grade meat meal. In this experiment, the conventional nutritional indexes of meat meal were determined by national standard method, and six kinds of common heavy metals (chromium, arsenic, lead, vanadium, cadmium, mercury) in meat meal were quantitatively determined by ICP-MS and national standard method. The results showed that the quality of meat powder was unstable, the variation coefficient of crude ash and crude fat was the largest, the crude protein content was 60% 鈮，
本文编号：2500987
[Abstract]:In this paper, 40 samples of domestic feed grade meat meal were taken as the research object, and their conventional nutrition indexes and quality and safety indexes were evaluated in order to investigate the quality of meat meal comprehensively and systematically, to provide theoretical basis for the rational use of meat meal in production, and to provide reference data for formulating and revising the standard of feed grade meat meal. In this experiment, the conventional nutritional indexes of meat meal were determined by national standard method, and six kinds of common heavy metals (chromium, arsenic, lead, vanadium, cadmium, mercury) in meat meal were quantitatively determined by ICP-MS and national standard method. The results showed that the quality of meat powder was unstable, the variation coefficient of crude ash and crude fat was the largest, the crude protein content was 60% 鈮，
本文编号：2500987
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