The content of starch, non-reducing sugar, soluble protein free ammo acid, chlorophyll kept reducing during aging.

The results indicated PDJ could improve the vigor of root system and NRA of leaves, increase chlorophyll and soluble protein content, thus laying a better physiological foundation for high yield.

GSH exists all kinds of organizations and the cells in human body, which can adjust the synthesis of protein and ribonucleotide and is related to the antioxidant capacity of the body.