Sodium carboxymethyl cellulose (CMC) ndi mtundu wa polymeric CHIKWANGWANI etha wopezedwa ndi kusinthidwa mankhwala a cellulose zachilengedwe. Mapangidwe ake amapangidwa makamaka ndi D-glucose unit yolumikizidwa ndi β (1→4) glucoside bond. Amasungunuka m'madzi ozizira kuti apange yankho la viscous. Kukhuthala kwa yankho kumakhudzana ndi vitamini yaiwisi ya DP (yapamwamba, yapakatikati, yotsika), komanso ndende ndi kusungunuka, mwachitsanzo: kusungunuka ndi kugwiritsa ntchito mphamvu yometa ubweya wambiri pa yankho, ngati CMC ili ndi DS yochepa, kapena kugawa m'malo kumakhala kosagwirizana, ndiye kuti gel osakaniza amapangidwa; Mosiyana ndi zimenezi, ngati DS yapamwamba ndi kulowetsedwa kugawidwa mofanana, njira yowonekera komanso yofanana imapangidwa.