Document Detail

Carotenoid extraction from plants using a novel, environmentally friendly solvent.
MedLine Citation:
PMID:  19138083     Owner:  NLM     Status:  MEDLINE    
Few environmentally friendly solvents are available to extract carotenoids for use in foods. The most effective known solvents are products of the petroleum industry and toxic for human consumption. Yet carotenoid extracts are desirable for use in dietary supplements and as additives to enhance the health benefits of processed foods. Ethyl lactate is an excellent solvent to extract both trans- and cis-lycopene isomers from dried tomato powder, the extraction efficiency of which is enhanced by the addition of the antioxidants alpha-tocopherol and alpha-lipoic acid, both of which are known to benefit human health. It is also useful to extract lutein and beta-carotene from dried powders prepared from white corn and carrots. Because of its low flammability and its origin as a byproduct of the corn and soybean industries, it is more advantageous than ethyl acetate, which is a petroleum product.
Betty K Ishida; Mary H Chapman
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  57     ISSN:  1520-5118     ISO Abbreviation:  J. Agric. Food Chem.     Publication Date:  2009 Feb 
Date Detail:
Created Date:  2009-02-04     Completed Date:  2009-03-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1051-9     Citation Subset:  IM    
US Department of Agriculture, Processed Foods Research Unit, Western Regional Research Center, Agricultural Research Service, Albany, California 94710, USA.
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MeSH Terms
Carotenoids / isolation & purification*
Daucus carota / chemistry
Dietary Supplements
Fruit / chemistry
Lycopersicon esculentum / chemistry
Plants / chemistry*
Zea mays / chemistry
Reg. No./Substance:
0/Lactates; 0/Solvents; 36-88-4/Carotenoids; 97-64-3/ethyl lactate

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