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Antioxidant
Formulation, characterization, pharmacokinetics and antioxidant activity of phloretin oral granules
Phloretin (PHL), a flavonoid of the dihydrogen chalcone class, is reported to have low oral bioavailability due to its poor solubility and absorption. A common approach to enhance the solubility of such flavonoids is solubilization in a polymeric or lipidic matrix which would help in enhance…
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Antioxidants, a safe and viable Inhibition Strategy for Nitrosamine Formation In Drug Products…
Nitrosamines are potential mutagens and need to be controlled in human drug products. Recently, nitrosamine contamination of high-profile drugs has prompted numerous recalls, and increased regulatory assessments for marketed products, as well as for new drug applications.
There will be three…
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Oxidative Stability in Lipid Formulations: a Review of the Mechanisms, Drivers, and Inhibitors of…
Abstract
The importance of lipid-based formulations in addressing solubility and ultimately the bioavailability issues of the emerging drug entities is undeniable. Yet, there is scarcity of literature on lipid excipient chemistry and performance, notably in relation to oxidative stability. While…
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Tocopherols as antioxidants in lipid-based systems: The combination of chemical and physicochemical…
Lipid oxidation is a major concern in the food, cosmetic, and pharmaceutical sectors. The degradation of unsaturated lipids affects the nutritional, physicochemical, and organoleptic properties of products and can lead to off-flavors and to the formation of potentially harmful oxidation compounds.…
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Hepatoprotective, antioxidant and anti-inflammatory potentials of Vit-E/C@SeNPs in rats: Synthesis,…
This study aimed to synthesize a nano-structure between selenium, Vit. C, and Vit. E (Vit-E/C@SeNPs) as a promising protective and therapeutic agent for hepatocellular carcinoma. Vit-E/C@SeNPs were characterized using TEM and DLS and its zetapotential was measured to evaluate its stability. DPPH…
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Effects of Different Capsule Types for Oral Application of Active Substances – Investigations with…
1.1. Background: A capsule is a solid dosage form that delivers a defined dose of an active ingredient. Most capsules are made for oral application by mouth with subsequent swallowing. Capsule materials for the shell are not only of importance for the release of active ingredients, but should also…
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The effect of trehalose, antioxidants, and acetate buffer concentration on oxytocin stability
Oxytocin is a cyclic nonapeptide used to induce labor and prevent bleeding after childbirth. Due to its instability, storage and transport of oxytocin formulations can be problematic in hot/tropical climates. The aim of this study was to investigate the effect of trehalose and select antioxidants…
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Solid Lipid Nanoparticles as Carriers of Natural Phenolic Compounds
Phenolic compounds are one of the most widespread classes of compounds in nature, with several beneficial biological effects being associated with their anti-oxidant and anti-carcinogenic activities. Their application in the prevention or treatment of numerous chronic diseases have been studied, but…
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Role of the Encapsulation in Bioavailability of Phenolic Compounds
Plant-derived phenolic compounds have multiple positive health effects for humans attributed to their antioxidative, anti-inflammatory, and antitumor properties, etc. These effects strongly depend on their bioavailability in the organism. Bioaccessibility, and consequently bioavailability of…
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Design and Characterization of Bioactive Bilayer Films: Release Kinetics of Isopropyl Palmitate
Active packaging incorporating antioxidants and antimicrobials is creating a niche in the market and becoming increasingly important. The main goal of this work was the design of bioactive bilayer films (zein/pullulan) incorporating licorice essential oil. The bilayer films were fully characterized…
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