Qualitative Identification of Mopan Persimmon Shelf-life by Near Infrared Spectroscopy

doi:10.7506/spkx1002-6630-201322037

Abstract

Abstract:

Near-infrared spectroscopy was used for qualitative identification of Mopan persimmon shelf-life. Different
spectral pre-treatment methods and different spectral ranges for the shelf-life of Mopan persimmon were compared. The best
results of spectral pretreatment were obtained by using secondary derivative model combined with standard normal variate
and detrend (SNVD) in the wavelength range of 1100–1800 nm. The percentage of correct classification of samples by using
the developed discriminant model was 95.4% with a forecast accuracy of 93.3%. Therefore, near-infrared spectroscopy is a
useful technique to predict the shelf life of Mopan persimmon.

Key words: near infrared spectroscopy, Mopan persimmon, shelf-life, discrimination, forecast

CLC Number:

S665.2

WANG Dan，LU Xiao-xiang，ZHANG Peng，CHEN Shao-hui，LI Jiang-kuo. Qualitative Identification of Mopan Persimmon Shelf-life by Near Infrared Spectroscopy[J]. FOOD SCIENCE, 2013, 34(22): 185-188.

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