期刊名称：International Journal of Environment and Bioenergy
电子版ISSN：2165-8951
出版年度：2014
卷号：9
期号：2
页码：105-121
语种：English
出版社：Modern Scientific Press
摘要：In this study, 67 kinds of fruit wastes were hydrolyzed with diluted sulfuric acid (6%) and then added in the BG-11 medium (without inorganic carbon) in the cultivation of Chlorella pyrenoidosa. When Chlorella pyrenoidosa reached the steady growth period, the density of microalgae culture was determined. Chlorella pyrenoidosa growing in 59 kinds of fruit waste hydrolysates showed higher cell density compared to that growing in BG-11 medium (control group). Moreover, in order to acquire the information of photo-synthesis of Chlorella pyrenoidosa growing in fruit waste hydrolysates, the maximum quantum yield (Fv/Fm) and the fluorescence kinetics curves (OJIP curves) of microalgae were measured. The maximum quantum yield of microalgae decreased in experimental groups compared to control group or glucose groups. The shape of fluorescence kinetics of Chlorella pyrenoidosa in BG-11 medium and glucose group showed no significant difference, while higher level of J transient and I transient were shown in the best growth group (crown honey pear peel hydrolysate group). The results implied that Chlorella pyrenoidosa growing in fruit waste hydrolysates subjected to more stresses in the process of photosynthesis compared to that growing in control group or glucose group. Chlorella pyrenoidosa growing in fruit waste hydrolysates might largely grow heterotrophically on the compositions of the hydrolysates rather than grew through photosynthesis.
