Powder composition
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- FUJIFILM CORP
- Publication Date
- 2010-10-06
Abstract
Description
technical field
[0001] The present invention relates to powder compositions, and more particularly, to powder compositions comprising antioxidant substances. Background technique
[0002] Active oxygen is widely involved in biological defense and signaling system between cells in organisms, but, on the other hand, it has been revealed that active oxygen causes various oxidative damages to tissues and components of organisms, and thus active oxygen damages human health and causes aging Speed up.
[0003] As the reactive oxygen species, there are radical types which are formed by reducing part of oxygen when mitochondria generate energy through oxygen metabolism in cells in vivo, such as superoxide anion (·O2-) , hydroxyl radicals ( OH-), peroxyhydroxyl radicals ( OOH), alkoxyl radicals (LO ), and alkylperoxyl radicals (LOO ); and non-radical types, Examples are hydrogen peroxide (H2O2), singlet oxygen (1O2), peroxynitrite (ONOO-), lipid peroxide (LOOH) and hypochlorous ac...