Applied Biochemistry and Biotechnology

, Volume 77, Issue 1–3, pp 105–115 | Cite as

Alfalfa fiber as a feedstock for ethanol and organic acids

  • Richard G. KoegelEmail author
  • Hassan K. Sreenath
  • Richard J. Straub


Valuable co-products derived from fractionation of alfalfa herbage give the resulting fibrous fraction an economic advantage as a feed stock for ethanol or other organic products. Alfalfa fiber was saccharified and fermented with or without a liquid hot water (LHW) pretreatment. The LHW pretreatment hydrolyzed approximately 60% of the original fiber, yielding a high cellulose residue and aliquid extract. These yielded predominantly hexoses and pentoses, respectively, after enzymatic saccharification. Yields of ethanol and lactic acid resulting from fermentations are given.

Index Entries

Medicago sativa pretreatment saccharification ethanol lactic acid 


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Copyright information

© Humana Press Inc. 1999

Authors and Affiliations

  • Richard G. Koegel
    • 1
    Email author
  • Hassan K. Sreenath
    • 2
  • Richard J. Straub
    • 2
  1. 1.Dairy Forage Research CenterUSDA-Agricultural Research ServiceMadison
  2. 2.Biological Systems Engineering DepartmentUniversity of WisconsinMadison

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