FAST NON-DESTRUCTIVE DETERMINATION OF CHLOROPHYLLS IN APPLE SKIN

被引：0
|
作者：
Venturello, A. [1 ]
Ceccarelli, R. [1 ]
Garone, E. [1 ]
Geobaldo, F. [1 ]
机构：
[1] Politecn Torino, DISMIC, Turin, Italy
来源：
ITALIAN JOURNAL OF FOOD SCIENCE | 2012年 / 24卷 / 02期
关键词：
calibration; non-destructive methodology; chlorophyll a; chlorophyll b; diffuse reflectance; multivariate analysis; UV-Vis analysis; FRUIT; REFLECTANCE; PIGMENTS; HARVEST;
D O I：
暂无
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
The evaluation of the chlorophyll content in fruit peel is usually performed by means of complex destructive procedures that include extraction and separation. In the present work, a non-destructive procedure, based on UV-Vis spectroscopy in the diffuse reflectance mode, is proposed for the quantitative measurement of both chlorophylls a and b, utilising the spectral range in which molecules other than chlorophylls show low absorbance. Two methods are presented and compared, one based on multivariate analysis over the whole range, and the other based on a linear regression at two meaningful wavelengths.
引用
收藏
页码：167 / 172
页数：6
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