(thing) by CapnTrippy Tue May 01 2001 at 16:38:51
Arabinose : C5H10O5

This sugar occurs naturally, as both the left and right hand optical isomer. It is also known as pectin; or gum sugar, as it is found in many vegetable gums, such as gum arabic. Pectin is often added to jams to where it forms a gel, helping the jam to set. It is also used as a bacterial culture medium.
It is a white crystaline solid with a melting point of 159 C.
It can be represented by the following structure :- 

         CHO
         |
       H-C-OH
         |
      HO-C-H
         |
      HO-C-H
         |
         CH2OH

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(definition) by Webster 1913 Tue Dec 21 1999 at 21:52:33

Ar"a*bin*ose` (#), n. Chem.

A sugar of the composition C5H10O5, obtained from cherry gum by boiling it with dilute sulphuric acid.

 

© Webster 1913.

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