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Molisch's test

Kresten kresten at my-dejanews.com
Mon Apr 12 08:04:19 EST 1999


I have tried testing for carbohydrates using the phenol-sulphuric acid
reaction both using phenol (Dubois et al.) or alpha-Naphtol (Molisch).

I have observed that several carbohydrates does not seem to give a positive
test. Does anybody know of a list of carbohydrates that will react and a list
of those that will not react in a Molisch/Dubois test?

Also, is there another test that *generally* will show the presence of
carbohydrates.

Thank you
Kresten

The address kresten at my-dejanews.com is for spambots only. Please mail me
at LysLeuLeu at crc.dk , transforming the pre at -part into my initials.
Kresten Lindorff Larsen, Dept. Yeast Genetics
Carlsberg Laboratory, Denmark

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