Keywords :
4-lactone , GUL , high light , L-gulono-1 , AO , HRGP , APX , LL , cascorbate peroxidase , low light , L-galactono-1 , monodehydroascorbate , GDP , GAL , MDMA , 4-lactone , PM , guanosine diphosphate , GSH , ascorbate oxidase , hydroxyproline-rich glycoprotein , glutathione , HL