| 皮革厂肉膜下脚料营养物质与重金属分析 |
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| 引用本文： | 周能,周振. 皮革厂肉膜下脚料营养物质与重金属分析[J]. 湖北农业科学, 2017, 56(12). DOI: 10.14088/j.cnki.issn0439-8114.2017.12.034 |
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| 作者姓名： | 周能 周振 |
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| 作者单位： | 广西农产资源化学与深度利用重点实验室培育基地/广西高校桂东南特色农产资源高效利用重点实验室/广西农产品深加工与安全技术创新团队/玉林师范学院化学与食品科学学院,广西 玉林,537000 |
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| 基金项目： | 广西科学研究与技术开发项目 |
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| 摘 要： | 对皮革厂下脚料肉膜的脂肪、蛋白质、重金属和硫的含量进行分析。结果表明,采用酸水解法测定肉膜中的脂肪含量为4%~5%;双缩脲法测定蛋白质的含量为1.5%左右;火焰原子吸收光谱法测定重金属含量,镉的含量为0.75 mg/kg,高于鸡、猪配合饲料国家标准值(0.5 mg/kg),其他重金属含量符合配合饲料国家标准值;重量法测定硫的含量约0.9%。
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| 关 键 词： | 肉膜下脚料 脂肪 蛋白质 重金属 硫 含量 |
Analysis of Nutrients and Heavy Metals in Meat Film Leftover from Leather Factory |
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| ZHOU Neng,ZHOU Zhen. Analysis of Nutrients and Heavy Metals in Meat Film Leftover from Leather Factory[J]. Hubei Agricultural Sciences, 2017, 56(12). DOI: 10.14088/j.cnki.issn0439-8114.2017.12.034 |
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| Authors: | ZHOU Neng ZHOU Zhen |
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| Abstract: | Fat, protein, heavy metals and sulfur content in meat film of leftover from leather factory were analyzed.The re-sults showed the content of fat was 4%~5% by acid hydrolysis method; protein content was about 1.5% by biuret method;flame atomic absorption spectrometry was used to determine the content of heavy metal, cadmium content was 0.75 mg/kg, more than national standard (0.5 mg/kg) of compound feed for chickens and pigs, other heavy metal content in line with the national standard of compound feed; sulfur content was about 0.9% by gravimetric method. |
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| Keywords: | meat film leftover fat protein heavy metals sulfur content |
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