O. Santos, S. Soares, P. Dias, S. Duarte, M. Santos, F. Nascimento, B. E. TEIXEIRA-COSTA
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Chemical-functional composition of Terminalia catappa oils from different varieties
This study aimed to extract and physical-chemically characterize Terminalia catappa L. kernel oil from purple (CR) and yellow (CA) varieties. Physical-chemical parameters, composition of fatty acids, nutritional quality indices, bioactive compounds and antioxidant capacity of both oil varieties were evaluated according to the literature. Both oils presented low levels of acidity and peroxides, besides the predominance of unsaturated fatty acids, ~63% of oleic and ~26% of linoleic acids, which influenced its nutritional indices. The CR oil variety exhibited a higher content in anthocyanin (18.3 ± 1.5 mg·100 g-1), ascorbic acid (68.4 ± 2.02 mg·100 g-1) and total polyphenol contents (152.3 ± 2.4 mg GAE·g-1), and a good antioxidant activity (38.6 ± 2.2 μg TE·g-1) determined by TEAC assay, when compared to the CA oil (p < 0.05). Therefore, the results confirm the importance of T. catappa as a lipid source for human consumption to be used in the development of food products.
期刊介绍：
Grasas y Aceites is a peer-reviewed journal devoted to the publication of original articles concerning the broad field of lipids, especially edible fats and oils from different origins, including non acyl lipids from microbial origin relevant to the food industry. It publishes full research articles, research notes, reviews as well as information on references, patents, and books.
Grasas y Aceites publishes original articles on basic or practical research, as well as review articles on lipid related topics in food science and technology, biology, (bio)chemistry, medical science, nutrition, (bio)technology, processing and engineering. Topics at the interface of basic research and applications are encouraged. Manuscripts related to by-products from the oil industry and the handling and treatment of the wastewaters are also welcomed.
Topics of special interest to Grasas y Aceites are:
-Lipid analysis, including sensory analysis
-Oleochemistry, including lipase modified lipids
-Biochemistry and molecular biology of lipids, including genetically modified oil crops and micro-organisms
-Lipids in health and disease, including functional foods and clinical studies
-Technical aspects of oil extraction and refining
-Processing and storage of oleaginous fruit, especially olive pickling
-Agricultural practices in oil crops, when affecting oil yield or quality
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