EFFECT OF CARBOXYMETHYL CELLULOSE (CMC) ON PERCEPTION OF ASTRINGENCY OF PHENOLIC COMPOUNDS.

The influence of carboxymethyl celluloses (CMCs) on astringency of tannic acid and polyphenols extracts obtained from black chokeberry fruits has been analysed. The study was performed with the critical concentrations (c*) of CMCs as well as with values above and bellow c*. The results were expressed as a percentage of unreduced astringency sensation. The ability of hydrocolloids with low (CMCLV), medium (CMCMV) and high viscosity (CMCHV) to mask the astringency was observed to be similar and to depend on their concentration. The highest reduction of astringency was above the c* concentrations. Addition of CMCLV to solutions of sucrose or caffeine lowered the intensity of astringency generated by tannic acid. The results indicated that CMCLV masked also the astringency of polyphenols extracted from black chokeberry fruits.

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eISSN:	2083-6007
ISSN:	1230-0322

W latach 2022-2024 kwartalnik naukowy Polish Journal of Food and Nutrition Sciences realizuje projekt nr RCN/SP/0520/2021/1 finansowany ze środków budżetu państwa – Ministerstwo Edukacji i Nauki w ramach programu „Rozwój czasopism naukowych”. Dofinansowanie wynosi 120 000 zł. W ramach projektu podejmowane są działania zmierzające do podniesienia poziomu praktyk wydawniczych i edytorskich, zwiększenia wpływu czasopism na rozwój nauki oraz utrzymania się czasopism w międzynarodowym obiegu naukowym.

In the years 2022-2024, the scientific quarterly Polish Journal of Food and Nutrition Sciences accomplishes a project no. RCN/SP/0520/2021/1 financed from the state budged – Ministry of Education and Science Republic of Poland in the framework of a program “Development of scientific journals”. The financing amounts to 120,000 PLN. The program aims at improving the level of publishing and editing practices, increasing the impact of scientific journals on science development, and extending the international range of scientific journals.