File Name: oxidation in foods and beverages and antioxidant applications .zip
The study aims to describe the main classes of antioxidants existing in fruit, beverages, vegetables and herbs and the different extraction and application of antioxidants in food. Oxidative degradation of lipids, especially induced by reactive oxygen species, leads to quality deterioration of foods and cosmetics and could have harmful effects on health. A major challenge is to develop tools to assess the antioxidant capacity and real efficacy of these molecules.
Part 1 Oxidation in animal products: Oxidation and protection of red meat; Oxidation and protection of poultry and eggs; Oxidation and protection of fish; Oxidation and protection of milk and dairy products; Oxidation of fish oils and foods enriched with omega-3 polyunsaturated fatty acids. Part 2 Oxidation in plant-based foods and beverages: Oxidation of edible oils; Preventing oxidation during frying of foods; Oxidation and protection of nuts and nut oils; Lipid oxidation in emulsified food products; Oxidation of confectionery products and biscuits; Oxidation of cereals and snack products; Oxidative stability of antioxidants in fruit and vegetables; Flavour changes in beer: Oxidation and other pathways; Wine Oxidation. Part 3 Antioxidant delivery in foods and beverages: Use of encapsulation to inhibit oxidation of lipid ingredients in foods; Antioxidant active food packaging and antioxidant edible films.
Generation of reactive oxygen species ROS is associated with dysregulation of antioxidant defense mechanisms and incidence of human diseases. The specific aim of this study was to investigate the lipid oxidation and antioxidant activity of aqueous extract of Rheum officinale Baillon rhizome in order to evaluate its potential as a future novel natural antioxidant resource and a functional ingredient in food and pharmaceutical formations. Total phenolic and flavonoid contents of Rheum rhizome extract were dose dependently increased. In addition, the treatment of aqueous Rheum rhizome extract significantly increased ferric reducing and copper chelating activities. According to results of thiobarbituric acid reactive substance analysis, Rheum rhizome extract significantly delayed lipid oxidation. Moreover, superoxide anion production was significantly lower in Rheum rhizome extract-treated RAW These findings suggest that Rheum officinale Baillon rhizome extract has a potential as an excellent natural antioxidant agent.
In recent years, there has been a great deal of attention toward the field of free radical chemistry. Free radicals reactive oxygen species and reactive nitrogen species are generated by our body by various endogenous systems, exposure to different physiochemical conditions or pathological states. A balance between free radicals and antioxidants is necessary for proper physiological function. If free radicals overwhelm the body's ability to regulate them, a condition known as oxidative stress ensues. Free radicals thus adversely alter lipids, proteins, and DNA and trigger a number of human diseases. Hence application of external source of antioxidants can assist in coping this oxidative stress.
Oxidation in Foods and Beverages and Antioxidant Applications. Management in Different Industry Sectors. A volume in Woodhead Publishing Series in Food.
Part 1 Oxidation in foods and beverages: Understanding oxidation processes in foods; Metals and food oxidation; The impact of singlet oxygen on lipid oxidation in foods; Heme proteins and oxidation in fresh and processed meats; Lipoxygenase and lipid oxidation in foods; Understanding and reducing oxidative flavour deterioration in foods; Health aspects of oxidized dietary fats; Methods to determine the extent of lipid oxidation in foods; Methods for food shelf life determination and prediction. Part 2 Antioxidants in foods and beverages: Understanding antioxidant mechanisms in preventing oxidation in foods; Protein antioxidants for the stabilisation of lipid foods: Current and potential applications; Synthetic and natural antioxidant additives in food stabilisation: Current applications and future research; Effects of food structure and ingredient interactions on antioxidant capacity; Assessing the activity of natural food antioxidants; Effects of processing and storage on antioxidant efficacy in foods. Oxidative rancidity is a major cause of food quality deterioration, leading to the formation of undesirable off-flavours as well as unhealthful compounds. Antioxidants are widely employed to inhibit oxidation, and with current consumer concerns about synthetic additives and natural antioxidants are of much interest. The two volumes of Oxidation in foods and beverages and antioxidant applications review food quality deterioration due to oxidation and methods for its control.
Oxidative rancidity is a major cause of food quality deterioration, leading to the formation of undesirable off-flavours as well as unhealthful compounds.
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Inspiration for protection of processed foods against oxidative deterioration of their vulnerable constituents has been found in the antioxidant mechanisms.
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