Document Detail

The seed's protein and oil content, fatty acid composition, and growing cycle length of a single genotype of chia (Salvia hispanica L.) as affected by environmental factors.
MedLine Citation:
PMID:  19491529     Owner:  NLM     Status:  MEDLINE    
As a botanical source, variability in chia seed composition could be expected between growing locations, and between years within a location, due to genotype and environment effects as well genetic x environment's interactions. The objective of the present study was to determine the location effect on the growing cycle length, and seed's protein content, lipid content, and fatty acid profiles, of a single chia genotype. Seeds of chia genotype Tzotzol grown on eight sites in five different ecosystems were tested. One site was in Argentina, in the Semi-Arid Chaco ecosystem (T(5)); one was in Bolivia, in the Sub-Humid Chaco ecosystem (T(4)); and six in Ecuador, one in the Coastal Desert (T(3)), two on the Tropical Rain Forest (T(2)), and three in the Inter-Andean Dry Valley ecosystem (T(1)). Seeds from plants grown in T(4) and in T(3) contained significantly (P <0.05) more protein percentage than did seeds from the other three ecosystems. No significant (P <0.05) differences in protein content were found between T(3) and T(4), and between T(1), T(2), and T(5). Seeds from T(1) and T(5) ecosystems, with 33.5 and 32.2%, respectively, were the numerically highest oil content producers, but their results were only significantly (P <0.05) higher when compared with the T(2) seeds. Significant (P <0.05) differences in palmitic, stearic, oleic, linoleic and alpha-linolenic fatty acids between oils from seeds grown in different ecosystems were detected, however. Oil of seeds grown in the T(3) ecosystem had the palmitic, stearic and oleic fatty acids' highest contents. Palmitic and oleic fatty acid levels were significantly (P <0.05) higher when were compared to that of seeds grown in the T(1) ecosystem, and stearic when was compared to that of seeds grown in the T(5) ecosystem; omega-6 linoleic fatty acid content was significantly (P <0.05) lower in oils of seeds produced in T(1), and T(2) than in those produced in T(3), T(4), and T(5) ecosystems; omega-3 alpha-linolenic fatty acid content was significantly (P <0.05) higher in seeds produced in T(1), than in those produced in T(3), T(4), and T(5), but not in those produced in T(2).
Ricardo Ayerza
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of oleo science     Volume:  58     ISSN:  1347-3352     ISO Abbreviation:  J Oleo Sci     Publication Date:  2009  
Date Detail:
Created Date:  2009-06-03     Completed Date:  2009-08-31     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101175339     Medline TA:  J Oleo Sci     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  347-54     Citation Subset:  IM    
Office of Arid Lands Studies, University of Arizona, Tucson, Arizona 85705, USA.
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MeSH Terms
Fatty Acids, Unsaturated / analysis*,  chemistry
Plant Oils / analysis*,  chemistry
Plant Proteins / analysis*
Salvia* / chemistry,  genetics,  growth & development
Seeds* / chemistry,  genetics,  growth & development
Reg. No./Substance:
0/Fatty Acids, Unsaturated; 0/Plant Oils; 0/Plant Proteins

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