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Characterization of fatty oils by pattern recognition of triglycerides profiles

✍ Scribed by Das Neves, H. J. Chaves ;Vasconcelos, A. M. P.

Publisher
John Wiley and Sons
Year
1989
Tongue
English
Weight
377 KB
Volume
12
Category
Article
ISSN
0935-6304

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✦ Synopsis

The triglyceride profiles for corn, soybean, sunflower, grapestone, olive and olive husks oils were obtained by high temperature capillary gas chromatography on HT-FS capillary columns coated with OV-17-OH. The data were treated by methods of computerized pattern analysis, involving principal component analysis, discriminant analysis, and hierarchical clustering. A graphical representation of resultsas "starsymbol plots"al1ows prompt visual recognition of the characteristic profiles and straightforward qualitative identification of unknowns as well as recognition of adulterations.

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