2010•Science and Technology of Food IndustryRequires access

Study on ganodema acid extracted from Ganoderma lucidum by ultrasound

Xiong Man-ping, WU Xiao-chun, Zou Sheng-qin, Aimin Zhang

Abstract

Objective:The extraction process of ganoderma acid from Ganoderma lucidum mycelia by ultrasound was studied.Methods:Unit Ganoderma lucidum mycelia of ganoderma acid as the indicator,using single-factor analysis and orthogonal experiment,the effects of ethanol concentration,ultrasonic extraction time,extraction pH and solid-liquid ratio on ganoderma acid from Ganoderma lucidum mycelia was studied.Results:The optimum extraction conditions were 100% ethanol concentration,ultrasonic extraction time 90min,pH2.5,plus 12 times the amount of ethanol,content of ganoderma acid was up to 46.7mg·g-1.Conclusion:Extraction using ultrasonic technology can greatly improve the extraction yield of Ganoderma lucidum comparing with conventional method,and shorten the extraction time.

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Key concepts: Ganoderma, Ganoderma lucidum, Extraction (chemistry), Mycelium, Chemistry, Yield (engineering), Ethanol, Chromatography