Kinetics of Lycopene Degradation in Sunflower and Grape Seed Oils
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چکیده
منابع مشابه
Analysis of Proanthocyanidins in Grape Seed Extracts, Health Foods and Grape Seed Oils
Grape seed extract (GSE) is one of Japan's natural food additives, and is recommended for use as an antioxidant. The component of interest is polyphenol, mainly proanthocyanidins, which are condensed tannins. A vanillin-hydrochloric acid (HCl) assay is specific for flavan-3-ol. The sensitivity of GSE components to the vanillin-HCl assay differed according to the chemical structure. We applied t...
متن کاملDegradation kinetics of grape skin and seed proanthocyanidins in a model wine system
0308-8146/$ see front matter Published by Elsevier doi:10.1016/j.foodchem.2010.03.126 * Tel.: +1 208 722 6701x282; fax: +1 208 722 8166 E-mail addresses: [email protected], jlee@ Catechin (monomer), purified grape skin proanthocyanidin (polymer), and purified grape seed proanthocyanidin underwent monitored accelerated oxidation under continuous oxygenation and UV light, at a constant 20 ...
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BACKGROUND: Autoxidation is an irreversible reaction which occurs with the effect of oxygen in the air, and results in unpleasant taste and smell that are known as the signs of rancidity in oil. OBJECTIVES: In this study, the antioxidant potential of clove, summer savory and tarragon essential oils (EOs) in grape seed oil was evaluated. METHODS: Effects of EOs at different concentrations (0.3, ...
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Sterols due to their properties might be considered as valuable products to be employed in food, pharmaceutical and cosmetic industries. Vegetable oils, namely canola, soyabean and sunflower seed oils, contain considerable quantities of phytosterols, mainly β–sitosterol. The aim of this research is to determine the effect of refining operations, particularly deodorization on this valuable class...
متن کاملGrape seed extracts inhibit dentin matrix degradation by MMP-3
UNLABELLED Since Matrix metalloproteinases (MMPs) have been suggested to contribute to dentin caries progression, the hypothesis that MMP inhibition would affect the progression of dentin caries is clinically relevant. Grape seed extracts (GSE) have been previously reported to be natural inhibitors of MMPs. OBJECTIVE To evaluate the capacity of a GSE mouthrinse to prevent the degradation of d...
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ژورنال
عنوان ژورنال: Oriental Journal of Chemistry
سال: 2018
ISSN: 0970-020X,2231-5039
DOI: 10.13005/ojc/340502