helianthus/antioxidant

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Influence of sunflower oil qualities and antioxidants on oxidative stability on whey-based salad dressings.

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The antioxidant effect of ascorbic acid and EDTA (ethylenediaminetetraacetic acid) in food emulsions, based on whey and sunflower oils with enhanced oleic acid, α- and β- tocopherol content, was not described up to now. Salad dressings based on cold-pressed high-oleic/α-, β- tocopherol sunflower oil

Retention of natural antioxidants of blends of groundnut and sunflower oils with minor oils during storage and frying.

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Unrefined groundnut oil (GNO) and refined sunflower oil (SFO) were blended with four minor oils including laboratory refined red palmolein (RRPO), physically refined rice bran oil (RBO), unrefined sesame oil (SESO), and unrefined coconut oil (CNO) containing natural antioxidants viz., β-carotene,

Antioxidant effect of poleo and oregano essential oil on roasted sunflower seeds.

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The objective was to evaluate the stability of sensory and chemical parameters in roasted sunflower seeds supplemented with oregano and poleo essential oils; and the consumer acceptability of this product. Four samples were prepared: plain roasted sunflower seeds (Control = RS-C), and sunflower

Antioxidant starch films containing sunflower hull extracts.

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This study explores the preparation of antioxidant starch food packaging materials by the incorporation of valuable phenolic compounds extracted from sunflower hulls, which are an abundant by-product from food industry. The phenolic compounds were extracted with aqueous methanol and embedded into

In vitro antioxidant activities of extract and oil from roselle (Hibiscus sabdariffa L.) seed against sunflower oil autoxidation.

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BACKGROUND In order to overcome the stability problems of oils and fats, synthetic antioxidants such as butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT) and tert-butyl hydroquinone (TBHQ) have widespread use as food additives in many countries. Recent reports reveal that these

Antioxidant effect of mono- and dihydroxyphenols in sunflower oil with different levels of naturally present tocopherols.

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Antioxidant properties of mono- and dihydroxyphenolic acids and their alkyl esters were examined, with emphasis on the relationship between their molecular structure and antioxidant activity. Test media with different tocopherol level were used for determining the oxidative stability: original

Comparison of lipid profile and antioxidant enzymes among south Indian men consuming coconut oil and sunflower oil.

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In this study, we compared the lipid profile and antioxidant enzymes of normal and diabetic subjects consuming two different types of oil as cooking medium. 70 normal, healthy subjects were taken as controls and 70 subjects with Type 2 diabetes were recruited in patient group. Each group was further

Antioxidative effectiveness of some natural antioxidants in sunflower oil.

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Sunflower oil has been oxidized at 25 and 100 degrees C in the presence and in the absence of 0.01, 0.02 and 0.05% 3,4-dihydroxybenzoic acid, caffeic acid, esculetin and fraxetin. 3,4-Dihydroxybenzoic acid shows no antioxidative activity at either temperature. Esculetin possesses a relatively low

Effects of dietary fats (fish, olive and high-oleic-acid sunflower oils) on lipid composition and antioxidant enzymes in rat liver.

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The effects of two oleic-acid-rich diets (containing olive oil, OO, and high-oleic-acid sunflower oil, HOSO) on plasma and liver lipid composition detoxification enzyme activities, were compared with those of a fish-oil (FO) diet and a control diet. Compared with the control diet, plasma and hepatic

Liver lipid composition and antioxidant enzyme activities of spontaneously hypertensive rats after ingestion of dietary fats (fish, olive and high-oleic sunflower oils).

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Hypertension is associated with greater than normal lipoperoxidation and an imbalance in antioxidant status, suggesting that oxidative stress is important in the pathogenesis of this disease. Although many studies have examined the effect of antioxidants in the diet on hypertensión and other

Effect of micronutrient-enriched sunflower oils on plasma lipid profile and antioxidant status in high-fat-fed rats.

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The main objective of this study was to evaluate in vivo whether micronutrient-enriched high-oleic sunflower oils (optimized oils) obtained using different crushing and refining procedures could have any beneficial effect on plasma lipid profile and antioxidant status. Sprague-Dawley rats were fed a

Effect of phosphogypsum on growth, physiology, and the antioxidative defense system in sunflower seedlings.

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Phosphogypsum (PG) is the solid waste product of phosphate fertilizer production and is characterized by high concentrations of salts, heavy metals, and certain natural radionuclides. The work reported in this paper examined the influence of PG amendment on soil physicochemical proprieties, along

Cardiotoxicity induced by dietary oxidized sunflower oil in rats: pro- and antioxidant effects of α-tocopherol.

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This study highlighted the pro-oxidative functions of α-tocopherol (αT) on the heart antioxidant system and tissue histopathology of oxidized sunflower oil (OSO)-exposed rats.Four groups of male Wistar rats were fed with different diets: 1) control diet containing FSO (fresh sunflower oil); 2) diet

Enhancement of nutraceutical and antioxidant potential of sunflower hybrid seed varieties through chemical priming.

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Pathogenic agents cause an increased risk of various fatal diseases and there is a need to reduce this risk using medicinal plants and their seeds. The present research work was designed to study the efficacy of different sunflower seed hybrid varieties (i.e. FH622, FH620, FH615, FH613 and FH545)

Two GPX-like proteins from Lycopersicon esculentum and Helianthus annuus are antioxidant enzymes with phospholipid hydroperoxide glutathione peroxidase and thioredoxin peroxidase activities.

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This study investigated the enzymatic function of two putative plant GPXs, GPXle1 from Lycopersicon esculentum and GPXha2 from Helianthus annuus, which show sequence identities with the mammalian phospholipid hydroperoxide glutathione peroxidase (PHGPX). Both purified recombinant proteins expressed

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