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Abstract ▼ AI-Helper

This study was carried out to improve an artificial culture techniques and antioxidative activity of the crude extract isolated from sclerotia of Poria cocos(Fr.) Wolf. In the test of different spawns and inoculation method, the sclerotia formation, number of sclerotia and production yield were exce...

This study was carried out to improve an artificial culture techniques and antioxidative activity of the crude extract isolated from sclerotia of Poria cocos(Fr.) Wolf. In the test of different spawns and inoculation method, the sclerotia formation, number of sclerotia and production yield were excellent in the both sides inoculation method of log spawn, whereas the both side inoculation method of sawdust spawn was poor in sclerotia formation and yield. The optimal spawn and inoculation method for the quality and productivity of P. cocos was in the order of log spawn (both sides inoculation > log spawn(cutting section inoculation) > sclerotia (both sides inoculation) > sawdust spawn (both sides inoculation). The physiological activity substance, crude extract content of P. cocos NIAST 13007 was about 83%. As the concentration of crude extracts increased, the relative viscosity tended to be increased. However, as the concentration of sodium chloride increased, the relative viscosity did not affected. In antioxidative activities, electron donating ability (EDA) of P. cocos was about 10% of butylated hydroxytoluene (BHT). Thiobarbituric acid (TBA) value was similar to that of the vitamin C, however the peroxide value (POV) was lower than those of BHT and vitamin C.

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