TITLE

Quantitative determination of soybean meal content in compound feeds: comparison of near-infrared spectroscopy and real-time PCR

AUTHOR(S)
Hui Li; Xiaowen Lv; Jing Wang; Junguo Li; Haifeng Yang; Yuchang Qin
PUB. DATE
December 2007
SOURCE
Analytical & Bioanalytical Chemistry;Dec2007, Vol. 389 Issue 7/8, p2313
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Standard methods for determining the raw material content of compound feed are little exploited, except for the identification of meat and bone meal in feeds. In this work, near-infrared (NIR) spectroscopy and real-time polymerase chain reaction (PCR) were applied in order to establish new and fast methods for quantification of soybean meal content in compound feeds. The best prediction quality was achieved by using a model based on NIR spectroscopy ( R 2 = 0.9857, standard error of cross-validation 1.1065). Furthermore, a sensitive qualitative detection method by using the real-time PCR was developed ( R 2 = 0.976, slope −3.7599). Finally, the differences between the real-time PCR result and the NIR spectroscopy result for a given sample were also treated, and we found that the NIR spectroscopy method provided quite accurate results which approach closely those of the real-time PCR method.
ACCESSION #
27657797

 

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