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Articles 1 - 5 of 5
Full-Text Articles in Food Chemistry
Antioxidant Combination Of High Phosphatidylserine (Ps) Lecithin With Mixed Tocopherol In Soybean Oil-In-Water Emulsion: Effect Of Ph And Salt, Princy Agnihotri
Antioxidant Combination Of High Phosphatidylserine (Ps) Lecithin With Mixed Tocopherol In Soybean Oil-In-Water Emulsion: Effect Of Ph And Salt, Princy Agnihotri
Masters Theses
Lipid oxidation is one of the major challenges faced by the food industry as it contributes to the loss of nutritional quality and loss of flavor in food products. Studies have shown that naturally occurring phospholipids like phosphatidylserine (PS) and phosphatidylethanolamine (PE) can regenerate oxidized tocopherols and help delay the lipid oxidation in bulk oils and oil-in-water emulsions. Since consumers desire simpler and cleaner labels, without chemically synthesized antioxidants, this research is of great interest. The combination of PS and PE with tocopherols has already been studied. However, PS was a better antioxidant in combination with tocopherols in the oil-in-water …
Improvement Of Solubility, Stability, And Bioaccessibility Of Curcumin Using Colloidal Delivery Systems, Bingjing Zheng
Improvement Of Solubility, Stability, And Bioaccessibility Of Curcumin Using Colloidal Delivery Systems, Bingjing Zheng
Doctoral Dissertations
Curcumin is a yellow-orange crystalline substance found in certain foods (turmeric) that is claimed to exhibit a broad range of biological activities. Its application as a nutraceutical in functional foods and beverages is often limited by its relatively low solubility in aqueous media, its chemical instability, and its low bioavailability. Recent research suggests that colloidal delivery systems can overcome these hurdles and improve the efficacy and commercial value of curcumin in the food, supplement, and pharmaceutical fields. The purpose of this research was to develop colloidal delivery systems to improve the application of curcumin as a nutraceutical in foods. First, …
Investigation On The Factors Impacting The Bioaccessibility Of Oil-Soluble Vitamins: Food Matrix Effects, Yunbing Tan
Investigation On The Factors Impacting The Bioaccessibility Of Oil-Soluble Vitamins: Food Matrix Effects, Yunbing Tan
Doctoral Dissertations
Food, nutrition, and pharmaceutical scientists are trying to elucidate the major factors impacting the bioavailability of macronutrients (e.g., lipids), micronutrients (e.g., vitamins), and nutraceuticals (e.g., carotenoids) so as to improve their efficacy. Currently, however, there is a limited understanding of how food matrix effects impact nutrient digestion and bioavailability. In this thesis, the impact of food matrix effects was elucidated by systematically examining the influence of several important factors (including oil type, oil concentration, droplet size, emulsifier type, and nutrient type) on lipid digestion and the bioaccessibility of hydrophobic bioactive agents. Oil-in-water emulsions were used as model …
Formation, Characterization, And Utilization Of Multilayer Nanoemulsions In Foods, Jorge L. Muriel Mundo
Formation, Characterization, And Utilization Of Multilayer Nanoemulsions In Foods, Jorge L. Muriel Mundo
Doctoral Dissertations
Multilayer coatings have been proposed as a promising nanotechnology for improving the performance of emulsion-based products in numerous research fields. In foods, these multilayer coatings can be used to improve the encapsulation and protection of bioactive ingredients in delivery systems during storage and passage through the gastrointestinal tract (1, 2). Therefore, there is strong interest in understanding the formation, properties, and performance of these novel coatings. Multilayer coatings are formed by layer-by-layer electrostatic deposition of oppositely charged biopolymers, such as proteins and polysaccharides. A better understanding of the formation and properties of biopolymer multilayer coatings could lead to …
Interactions Between Titanium Dioxide Nanoparticles (Nps) And Mucin, . Boimin
Interactions Between Titanium Dioxide Nanoparticles (Nps) And Mucin, . Boimin
Doctoral Dissertations
Titanium dioxide nanoparticles (TiO2 NPs) are widely used in many food, consumer, and industrial products. However, little is known about the overall effects of TiO2 NPs on the environment or human health. In order to elucidate the fate, transformation, transport, and toxicological impact of TiO2 NPs, a better understanding is needed of how the physicochemical properties of TiO2 NPs (e.g. size, charge, curvature, hydrophobicity, and surface functionality) interact with their microenvironments (e.g. pH, temperature, bile acids, microbiome, enzymes, surface-active components, and biopolymers). Living organisms including humans have a natural mechanism to protect themselves from physical, biological, …