A chemical question about melanoidins

C.C.Chen r3603207 at CC.NTU.EDU.TW
Sun Apr 14 16:28:24 EST 1996

Melanoidin , producted by maillard reaction has a dark color.
I read some papers about it. In papers , people detect OD475
to measure the decolorization of melanoidins.
But some people detect OD297 or OD254.
I don't know why they do this ?
Can someone tell me What are they measure for ?

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