Stain-inhibiting agent for dyes with affinity for protonatable n

Details Stain-inhibiting agent for dyes with affinity for protonatable n Stain-inhibiting agent for dyes with affinity for protonatable n

1993-06-29

1997-10-28

Kepplinger, Esther

Food or edible material: processes, compositions, and products

Products per se, or processes of preparing or treating...

Specific dye or pigment per se or compositions containing same

426250, 426262, 426268, A23L 127, A23L 1275

Patent

active

056816049

ABSTRACT:
The staining effect (particularly with respect to the staining of polyamides) of a colorant such as a dye used in foods and beverages is inhibited by a compound of the formula ##STR1## wherein: Z.sup.1, Z.sup.2, and Z.sup.3 are the same or different and are each a bridging radical or a direct bond,

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