肉苁蓉种子成分及活力的红外光谱分析

doi:10.3964/j.issn.1000-0593(2009)01-0097-05

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Abstract Comparative study of the different parts of cistanche deserticola seeds and their changes after different processing were examined by Fourier transform infrared spectroscopy spectra (FTIR). The results of the analysis showed that components in the cistanche deserticola seeds were abundant, which contained characteristic absorption peaks of protein, fat and carbohydrate. As well, pectin and aromatic compound can be also found in the seeds. However, the components were different in different parts of cistanche deserticola seeds. The characteristic absorption peak intensities of fat at 2 926, 1 746, 1 161 and 721 cm^-1 were the strongest in the seed kernels. However, the seed coats mainly consisted of carbohydrate and pectin, which were showed at 1 054 cm^-1. The contents of protein and carbohydrate were decreased distinctly in the moldy and dead seeds after processing. The characteristic absorption peak intensity ratio of protein to fat (I_{1 630}／I_{1 745}) was all higher than 1.05 in the live seeds. The characteristic absorption peak intensity ratio of amido link I of protein to fat (I_{1 653}／I1 745) in the dead seed kernels of the cistanche deserticola was decreased from 0.31 to 0.23, which was 25.8% less than that in vital seed kernels. The results suggest that FTIR not only can be used in fast comprehensive analysis of seed components, but also can be used in the seed vigor analysis, seed longevity determination and seed quality evaluation.

Key words：Fourier transform infrared spectroscopy (FTIR);Cistanche deserticola;Seed Components;Seed vigor;Moldy

Received: 2008-03-06 Accepted: 2008-06-08

ZTFLH:

O657.3

Corresponding Authors: CHEN Jun E-mail: junzichen63@yahoo.com.cn

Cite this article:

XU Rong,SUN Su-qin,CHEN Jun, et al. Infrared Spectroscopic Study on the Component and Vigor Analysis of Cistanche Deserticola Seeds[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2009, 29(01): 97-101.

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https://www.gpxygpfx.com/EN/10.3964/j.issn.1000-0593(2009)01-0097-05 OR https://www.gpxygpfx.com/EN/Y2009/V29/I01/97

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