pentosan

[ pen-tuh-san ]
/ ˈpɛn təˌsæn /
|

noun Biochemistry.

any of a class of polysaccharides that occur in plants, humus, etc., and form pentoses upon hydrolysis.

Nearby words

  1. pentobarbital sodium,
  2. pentobarbitone,
  3. pentode,
  4. pentolite,
  5. pentomic,
  6. pentose,
  7. pentose nucleic acid,
  8. pentose phosphate pathway,
  9. pentosuria,
  10. pentothal

Origin of pentosan

< German (1892), equivalent to Pentos(e) pentose + -an -ane

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pentosans

  • That portion of the carbohydrates known as pentosans gives rise to furfuraldehyde, one of the important components of caffeol.

    All About Coffee|William H. Ukers
  • The pentosans, araban and xylan, occur normally in the stems and outer seed coats of many common plants.

    The Chemistry of Plant Life|Roscoe Wilfred Thatcher


British Dictionary definitions for pentosans

pentosan

/ (ˈpɛntəˌsæn) /

noun

biochem any of a group of polysaccharides, having the general formula (C 5 H 8 O 4) n : occur in plants, humus, etc

Word Origin for pentosan

C20: from pentose + -an

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012