Two New Spirostanol Steroidal Sapogenins from Fermented Leaves of Agave americana

• Jian Ming JIN ,
• Chong Ren YANG

• State Key Laboratory of Phytochemistry and Plant Resources of West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204

• Received Date: 24 June 2002
  
• Fund Project:

  This work was financially supported by the National Natural Science Foundation of China (NSFC) (39969005). The authors wish to thanks the members of analytic group of State Key Laboratory of Phytochemistry and Plant Resources of West China, Kunming bistitute of Botany for spectral measurements. We are also grateful to Mr. Xi-Kui Liu for the collection of plant materials and Professor Xingcong Li (University of Mississippi) for the discussion of structures.