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COMPARISON OF PROXIMATE ANALYSIS AND NEAR INFRARED REFLECTANCE TECHNOLOGY FOR ANALYZING THE QUALITY OF PALM KERNEL CAKE

ABSTRACT The purpose of the current study is to compare the means from reference method (proximate analysis) with test method (NIR). Six parameters were studied which are moisture, crude ash, crude protein, ether extracts, crude fiber and nitrogen free extract. PKC samples (n = 48) were randomly selected from Feed Analysis Laboratory, IVM Kluang since year 2009 to 2012. CP was determined by the Kjeldahl method, CF was measured using Fibertec methods (FOSS), and EE was measured using Soxtec methods (FOSS). Other parameters in proximate analysis were determined according to Association of Official Analytical Chemists, AOAC (1980). Each sample was also scanned with NIRFlex Model N-500 (Buchi). The data was analyzed using the SAS statistical program. Statistical significance of differences between mean were tested by paired t-test analysis. A p-value of less than 0.05 (p<0.05) were considered statistically significant. There was not significantly different in the results from reference and test method for CP, EE, CF and NFE. These statistical analyses suggest that both methods can produce same results for PKC sample. But there are significantly different for moisture and CA result. Further study need to be carried out after calibration for moisture and CA were improved.

Keywords: Palm Kernel Cake, Near Infrared Reflectance Technology, Proximate analysis

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Norlindawati, A. P.1*, Shariff, S.2, Aswanimiyuni, A.1, Noormah Miw, A.2, Sabariah, B.1, Omar, R.1, Samijah, A.1, and Sufi, J.1 1Malaysia Veterinary Institute, KM13 Jalan Batu Pahat, Beg Berkunci 520, 86009 Kluang, Johor, Malaysia. 2Makmal Kesihatan Awam Veterinar Salak Tinggi, Jalan Nilai Banting, Bandar Baru Salak Tinggi, 43900 Sepang, Selangor, Malaysia
*Email: norlindawati.dvs@1govuc.gov.my


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