Prediction of Marked Age of Mature Vinegar Based on Fourier Transform Near Infrared Spectroscopy
To evaluate the applicability of near infrared (NIR) spectroscopy for discrimination between mature vinegar with different marked age (1 year, 3 years, and 5 years), transmission spectra were collected in the spectral range from 800 nm to 2500 nm in 1, 2, and 5 mm optical path-length rectangular quartz cuvettes with air as reference at room temperature. Discriminant models were developed based on discriminant analysis (DA) together with raw, first and second derivative spectra. The calibration result for raw spectra was better than that for first and second derivative spectra. The percentage of samples correctly classified for raw were 100％ for 1 year old, 100％ for 3 years old and 97.5％ for 5 years old, respectively. In validation analysis, for 1 year, 3 years, and 5 years old sample groups, the percentage of samples correctly classified was 100％, 100％, and 100％, respectively. The results demonstrated that NIR spectroscopy could be used as a rapid and reliable method for classification of mature vinegar with different marked age.
Zhengguang An Huishan Lu Huanyu Jiang Yibin Ying
College of Mechanical Engineering & Automatization, North University of China,3 Xueyuan St, Taiyuan College of Biosystems Engineering and Food Science, Zhejiang University,268 Kaixuan St, Hangzhou 310
国际会议
南昌
英文
737-743
2010-10-22（万方平台首次上网日期，不代表论文的发表时间）