Document Detail

Varying quality of fish oil capsules: fatty acids and tocopherol.
MedLine Citation:
PMID:  22101881     Owner:  NLM     Status:  Publisher    
OBJECTIVES: To assess the content and composition of fatty acids and tocopherols in commercially available oil capsules, and to assay thiobarbituric acid reactive substances (TBARS) as a marker of oxidation in these oils. METHODS: Fish and seal oil capsules were analyzed for their contents of long-chain omega-3 fatty acids (DPA, EPA, and DHA), tocopherols, and malondialdehyde. RESULTS: Large variations were found in the levels of EPA (6.5-40.9%), and DHA (8.1-26.4%), α-tocopherol (117-10282 μg/g), γ-tocopherol (406-2352 μg/g) and δ-tocopherol (127-978 μg/g). The level of malondialdehyde was very low in all capsules. CONCLUSION: The tested samples of oil capsules showed large variation in quality with respect to long-chain n-3 polyunsaturated fatty acids and tocopherols. The low levels of malondialdehyde indicated a successful oxidation protection strategy.
Mukhtiar Ahmed; Ali A Moazzami; Roger Andersson; Jana Pickova
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-21
Journal Detail:
Title:  Neuro endocrinology letters     Volume:  32     ISSN:  0172-780X     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8008373     Medline TA:  Neuro Endocrinol Lett     Country:  -    
Other Details:
Languages:  ENG     Pagination:  37-40     Citation Subset:  -    
Department of Food Science, Swedish University of Agricultural Sciences, Uppsala, Sweden.
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