| 摘要 |
A coating composition includes, in relation to 100% of the weight thereof: between 10 and 90 wt. % of at least one film-forming polymer selected from cellulosic polymers or derivatives of cellulosic polymers, derivatives of vinyl alcohol, derivatives of vinyl pyrrolidones, polymers of a natural origin, acrylic or methacrylic derivatives, derivatives of glycol or propylene glycol or combinations of the two substances or the copolymers of vinyl alcohol and polyethylene glycol (PEG); between 1 and 50 wt. % of at least one food colouring agent; and between 0 and 50 wt. % of at least one auxiliary coating agent selected from white opacifiers, diluents, surfactants, plasticizers, and anti-foaming agents. |
| 主权项 |
1. A coating composition comprising, per 100% of the weight thereof:
from 10 wt % to 90 wt % of at least one film-forming polymer selected from methyl cellulose, hydroxypropylmethyl cellulose, hydroxypropyl cellulose, hydroxyethyl cellulose, sodium carboxymethyl cellulose, ethyl cellulose, PVAs (polyvinyl alcohols), PVA-PEG (polyethylene glycol) copolymers, polyvinyl acetate, polyvinylpyrrolidones (PVPs), vinylpyrrolidone-vinyl acetate copolymers, alginates, pectin, gum arabic, guar gum, carrageenans, xanthan gum, inulin, chitosan, methacrylic acid-ethyl acetate copolymer, or the polyethylene glycol-polypropylene glycol (PEG-PPG) copolymer, from 1 wt % to 50 wt % of at least one coloring foodstuff, and from 0 to 50 wt % of at least one auxiliary coating agent selected from white opacifiers, diluents, surfactants, plasticizers and antifoams. |
