5、降低。用分光光度I法,对前面获得的细胞中齐墩果酸的含量进行,发现在27d时细胞中的活性物质的含量及其产量都达到了最大值。关键词:宣木瓜愈伤组织诱导继代悬浮活性物质齐墩果酸IIAbstractTissue and cellculture were used inthisstudy.DifferentpartsoftheChaenomelesspeciosaorganizationwere used asthe experimentalmaterial.In ordertoinducevigorousgrowth,structure,loosecallus.We establish
6、cellsuspensioncultures,and researchitsregulationofthe synthesisofsecondarymetabolites.Systematic studieswere used inthe inducing oftheChaenomelesspeciosacallus.We researchthe conditionsofcallusinduction,the method tocontrolthe loose callus,and the suspensionculture characteristicsand growthc
7、urve ofcells.Spectrophotometrywasused to determine the changesofthe content ofOA.It provide experimentaland theoreticalbasisinthe industrialproductionofOA.Inthe period ofthe callusinduction,the differentsourcesofexplants、different sterilizationtime