Antioxidant effect The antioxidant effect of beta-carotene is based on the inactivation (quenching) of reactive oxygen compounds. These include, for example, peroxyl radicals, superoxide radical ions, singlet oxygen, hydrogen peroxide, and hydroxyl and nitrosyl radicals, which are produced by aerobic metabolic processes, photobiological effects, endogenous defense processes, and exogenous noxious agents. As free radicals, they … Beta-carotene: Functions
Interactions of beta-carotene with other agents (micronutrients, foods): Interactions between carotenoids Metabolic studies show that when high doses of beta-carotene are absorbed, it competes with lutein and lycopene when they are consumed within a meal. However, consumption of high doses of beta-carotene had no adverse effect on serum carotenoid levels. Dietary supplements versus food In … Beta-carotene: Interactions
The United Kingdom’s Expert Group on Vitamins and Minerals (EVM) last assessed vitamins and minerals for safety in 2003 and, where sufficient data were available, set a so-called Safe Upper Level (SUL) or Guidance Level for each micronutrient. This SUL or Guidance Level reflects the safe maximum amount of a micronutrient that will not cause … Beta-carotene: Safety Assessment
In the National Nutrition Survey II (NVS II, 2008), the dietary behavior of the population was investigated for Germany and it was shown how this affects the average daily nutrient intake with macro- and micronutrients (vital substances). The intake recommendations (D-A-CH reference values) of the German Nutrition Society (DGE) are used as the basis for … Beta-carotene: Supply Situation
The intake recommendations (D-A-CH reference values) of the German Nutrition Society (DGE) presented below are aimed at healthy people of normal weight. They do not refer to the supply of sick and convalescent people. Individual requirements may therefore be higher than the DGE intake recommendations (e.g., due to dietary habits, consumption of stimulants, long-term medication, … Beta-carotene or Retinol (Vitamin A): Intake
