Document Detail

Effect of seed development stage on sphingolipid and phospholipid contents in soybean seeds.
MedLine Citation:
PMID:  17002456     Owner:  NLM     Status:  MEDLINE    
Glucosylceramide (GlcCer) and ceramide (Cer) are the predominant sphingolipids (SL) in soybeans. They have been recognized as functional components in plants and may have health benefits for humans. The objective of this study was to evaluate the changes in SL and phospholipid (PL) contents that occurred during seed development. Soybean seeds of three cultivars (IA1008, IA1010, and IA1014) were harvested at 5-day intervals from 28 days after flowering (DAF) to 68 DAF (mature seed). SL and PL contents of seeds were quantified using high-performance liquid chromatography (HPLC) with an evaporative light scattering detector (ELSD). SL and PL contents decreased significantly during seed development. Averaged across cultivars, Cer content on a dry weight basis decreased from 51.4 nmol/g at 28 DAF to 22.2 nmol/g at 68 DAF, whereas GlcCer content decreased from 522.8 nmol/g at 28 DAF to 135.8 nmol/g at 68 DAF. PL percentage of the total lipid decreased from 9.1% at 28 DAF to 3.5% at 68 DAF.
Liping Wang; Tong Wang; Walter R Fehr
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  54     ISSN:  0021-8561     ISO Abbreviation:  J. Agric. Food Chem.     Publication Date:  2006 Oct 
Date Detail:
Created Date:  2006-09-27     Completed Date:  2006-11-24     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  United States    
Other Details:
Languages:  eng     Pagination:  7812-6     Citation Subset:  IM    
Department of Food Science and Human Nutrition, Iowa State University, Ames, Iowa 50011, USA.
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MeSH Terms
Ceramides / analysis
Glucosylceramides / analysis
Phospholipids / analysis*
Seeds / chemistry*,  growth & development*
Soybeans / growth & development*
Sphingolipids / analysis*
Time Factors
Reg. No./Substance:
0/Ceramides; 0/Glucosylceramides; 0/Phospholipids; 0/Sphingolipids

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