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The formulation of procyanidin gels based on carraghenans is described. Gelling vehicles were selected to obtain stable, limpid gels of satisfactory viscosity and pH compatible with antiulcer therapy. Effort was focused on the study of the influence of cations (Na+, K+, Ca++) and associated anions (chloride, citrate, gluconate), on the gelification : the best results were obtained with trisodium-citrate.
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Bos et al. (1994) studied this question.
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