Main Active Components and Antioxidant Activity of Extracts from Ganoderma lucidum Solid Fermentation Longan Seed

In order to make better use of longan seed resources, Ganoderma lucidum was used to ferment longan seed, and 60% ethanol was used to extract the active components from the fermented and unfermented substrates of 8 treatments. Phenols, flavonoids, sugar and three terpenoids in the 8 extracts and antioxidant activity of extracts were detected, respectively. The results showed that the content of phenols and flavonoids in longan seed by G. lucidum fermentation treatments significant reduced (p<0.05), and sugar increased (p<0.05), and the total antioxidant capacity, total reducing ability, Fe³⁺ reduction ability, scavenging DPPH and ABTS free radical ability were lower than those of unfermented treatments extracts. But unfermented groups extracts still had some antioxidant ability. Conclusion:The fungal substances by G. lucidum fermentation longan seed can be further developed as edible and forage resources.