猪肉中卡拉胶预测模型的开发与验证
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摘要
为了探讨利用近红外透射光谱分析技术快速鉴别注胶肉的可行性,共制备了95个样品,其中60个注胶肉样品。利用FOSS公司生产的Foodscan型近红外肉类分析仪获取样本光谱,随机选取50个注胶肉样品和25个正常肉样品作为校正集,采用近红外光谱结合偏最小二乘法(PLS),建立注胶肉和正常肉判别模型。利用独立的预测集对预测模型进行了验证,结果表明所有验证样品均被正确判别,采用近红外透射光谱能快速无损的判别。
The near infrared(NIR) transmittance spectroscopy was used, and gel-injected meat was identified quickly, and feasibility was studied, and 95 samples were prepared, in which 60 samples were gel-injected meat. Foodscan near infrared meat analyzer produced by FOSS company was used to obtain spectrum of samples, and 50 gel-injected meat samples and 25 normal meat samples were selected randomly as calibration set, and near infrared spectroscopy combined with partial least squares(PLS) were adopted, and discriminant model of gel-injected meat and normal meat was established. The independent set was used, and prediction model was verified. The result showed that all verified samples were distinguished correctly, and near infrared transmittance spectroscopy could distinguish quickly and perfectly.
The near infrared(NIR) transmittance spectroscopy was used, and gel-injected meat was identified quickly, and feasibility was studied, and 95 samples were prepared, in which 60 samples were gel-injected meat. Foodscan near infrared meat analyzer produced by FOSS company was used to obtain spectrum of samples, and 50 gel-injected meat samples and 25 normal meat samples were selected randomly as calibration set, and near infrared spectroscopy combined with partial least squares(PLS) were adopted, and discriminant model of gel-injected meat and normal meat was established. The independent set was used, and prediction model was verified. The result showed that all verified samples were distinguished correctly, and near infrared transmittance spectroscopy could distinguish quickly and perfectly.
引文
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2 张玉华,孟一,姜沛宏等.近红外技术对不同动物来源肉掺假的检测[J].食品工业科技,2015,36(3):316-319,+334
3 孟一,张玉华,许丽丹等.近红外光谱技术对猪肉注水、注胶的快速检测[J].食品科学,2014,35(8):299-303
4 杨红菊,姜艳彬,候东军等.注胶肉的近红外光谱快速判别分析[J].肉类研究,2008,(11):62-64
5 李红莲,赵志磊,庞艳苹等.近红外光谱法快速鉴别花生油真伪及掺伪成分[J].食品安全质量检测学报,2010,27(1):24-29
6 庄小丽,相玉红,强洪等.近红外光谱和化学计量学方法用于橄榄油品质分析与掺杂量检测[J].光谱学与光谱分析,2010,30(4):933-936
7 李亮,丁武.掺有植物性填充物牛奶的近红外光谱判别分析[J].光谱学与光谱分析,2010,30(5):1238-1242
8 王右军,朱大洲,屠振华等.CCD短波近红外光谱快速检测牛奶中掺假物质的研究[J].食品科学,2009,30(6):135-138