Identification of trans-3,5-dimethoxystilbene in commercial soy protein isolates

W. L. Boatright; J. St Pyrek; J. Song; A. D. Crum

doi:10.1007/s11746-998-0107-7

Identification of trans-3,5-dimethoxystilbene in commercial soy protein isolates

W. L. Boatright, J. St Pyrek, J. Song, A. D. Crum

Animal and Food Sciences

Producción científica: Article › revisión exhaustiva

2 Citas (Scopus)

Resumen

A previously unidentified component of the lipid extracts from commercial soy protein isolates (SPI) was analyzed by gas chromatography-mass spectrometry (GC-MS), high resolution mass spectrometry (HRMS), ultraviolet-visible spectroscopy, and GC-Fourier transform infrared spectrometry (FTIR). All these data, together with mass spectra of derivatives obtained by hydrogenation, indicated the structure of an unsymmetrical dimethoxystilbene. Subsequently, standard trans-3,5-dimethoxystilbene, synthesized according to established procedures, was found to have identical retention times and spectra by GC-MS and GC-FTIR with the compound isolated from commercial SPI. Laboratory SPI prepared from Probst, Stressland, and Burlison variety soybeans contained no detectable amounts of either trans-3,5-dimethoxystilbene or dehydroabietinal.

Idioma original	English
Páginas (desde-hasta)	1651-1655
Número de páginas	5
Publicación	JAOCS, Journal of the American Oil Chemists' Society
Volumen	75
N.º	11
DOI	https://doi.org/10.1007/s11746-998-0107-7
Estado	Published - 1998

Nota bibliográfica

Funding Information:
The authors thank Dr. Paul Weston for valuable technical assistance with analysis by GC–FTIR and Dr. James Wilcox, Purdue University, for providing the soybeans used in this investigation. This project was funded in part by the Kentucky Soybean Promotion Board. Published with the approval of the Director of the Kentucky Agricultural Experiment Station as Journal Article # 98-07-45.

Financiación

The authors thank Dr. Paul Weston for valuable technical assistance with analysis by GC–FTIR and Dr. James Wilcox, Purdue University, for providing the soybeans used in this investigation. This project was funded in part by the Kentucky Soybean Promotion Board. Published with the approval of the Director of the Kentucky Agricultural Experiment Station as Journal Article # 98-07-45.

Financiadores	Número del financiador
Arkansas Soybean Promotion Board

ASJC Scopus subject areas

General Chemical Engineering
Organic Chemistry

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title = "Identification of trans-3,5-dimethoxystilbene in commercial soy protein isolates",

abstract = "A previously unidentified component of the lipid extracts from commercial soy protein isolates (SPI) was analyzed by gas chromatography-mass spectrometry (GC-MS), high resolution mass spectrometry (HRMS), ultraviolet-visible spectroscopy, and GC-Fourier transform infrared spectrometry (FTIR). All these data, together with mass spectra of derivatives obtained by hydrogenation, indicated the structure of an unsymmetrical dimethoxystilbene. Subsequently, standard trans-3,5-dimethoxystilbene, synthesized according to established procedures, was found to have identical retention times and spectra by GC-MS and GC-FTIR with the compound isolated from commercial SPI. Laboratory SPI prepared from Probst, Stressland, and Burlison variety soybeans contained no detectable amounts of either trans-3,5-dimethoxystilbene or dehydroabietinal.",

keywords = "Dehydroabietinal, Fourier transform infrared spectrometry, Mass spectrometry, Nuclear magnetic resonance, Protein, Soy protein, Trans-3,5-dimethoxystilbene",

author = "Boatright, \{W. L.\} and Pyrek, \{J. St\} and J. Song and Crum, \{A. D.\}",

note = "Funding Information: The authors thank Dr. Paul Weston for valuable technical assistance with analysis by GC–FTIR and Dr. James Wilcox, Purdue University, for providing the soybeans used in this investigation. This project was funded in part by the Kentucky Soybean Promotion Board. Published with the approval of the Director of the Kentucky Agricultural Experiment Station as Journal Article \# 98-07-45.",

year = "1998",

doi = "10.1007/s11746-998-0107-7",

language = "English",

volume = "75",

pages = "1651--1655",

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T1 - Identification of trans-3,5-dimethoxystilbene in commercial soy protein isolates

AU - Boatright, W. L.

AU - Pyrek, J. St

AU - Song, J.

AU - Crum, A. D.

N1 - Funding Information: The authors thank Dr. Paul Weston for valuable technical assistance with analysis by GC–FTIR and Dr. James Wilcox, Purdue University, for providing the soybeans used in this investigation. This project was funded in part by the Kentucky Soybean Promotion Board. Published with the approval of the Director of the Kentucky Agricultural Experiment Station as Journal Article # 98-07-45.

PY - 1998

Y1 - 1998

N2 - A previously unidentified component of the lipid extracts from commercial soy protein isolates (SPI) was analyzed by gas chromatography-mass spectrometry (GC-MS), high resolution mass spectrometry (HRMS), ultraviolet-visible spectroscopy, and GC-Fourier transform infrared spectrometry (FTIR). All these data, together with mass spectra of derivatives obtained by hydrogenation, indicated the structure of an unsymmetrical dimethoxystilbene. Subsequently, standard trans-3,5-dimethoxystilbene, synthesized according to established procedures, was found to have identical retention times and spectra by GC-MS and GC-FTIR with the compound isolated from commercial SPI. Laboratory SPI prepared from Probst, Stressland, and Burlison variety soybeans contained no detectable amounts of either trans-3,5-dimethoxystilbene or dehydroabietinal.

AB - A previously unidentified component of the lipid extracts from commercial soy protein isolates (SPI) was analyzed by gas chromatography-mass spectrometry (GC-MS), high resolution mass spectrometry (HRMS), ultraviolet-visible spectroscopy, and GC-Fourier transform infrared spectrometry (FTIR). All these data, together with mass spectra of derivatives obtained by hydrogenation, indicated the structure of an unsymmetrical dimethoxystilbene. Subsequently, standard trans-3,5-dimethoxystilbene, synthesized according to established procedures, was found to have identical retention times and spectra by GC-MS and GC-FTIR with the compound isolated from commercial SPI. Laboratory SPI prepared from Probst, Stressland, and Burlison variety soybeans contained no detectable amounts of either trans-3,5-dimethoxystilbene or dehydroabietinal.

KW - Dehydroabietinal

KW - Fourier transform infrared spectrometry

KW - Mass spectrometry

KW - Nuclear magnetic resonance

KW - Protein

KW - Soy protein

KW - Trans-3,5-dimethoxystilbene

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M3 - Article

AN - SCOPUS:0032203759

SN - 0003-021X

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SP - 1651

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JO - JAOCS, Journal of the American Oil Chemists' Society

JF - JAOCS, Journal of the American Oil Chemists' Society

IS - 11

ER -

Identification of trans-3,5-dimethoxystilbene in commercial soy protein isolates

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Nota bibliográfica

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ASJC Scopus subject areas

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