?O ka sodium carboxymethyl cellulose (CMC) kahi ?ano o ka polymeric fiber ether i loa?a i ka ho?ololi kemika o ka cellulose maoli. Ho?okumu nui ?ia kona ?ano me ka D-glucose unit i ho?opili ?ia e ka β (1→4) glucoside bond. Ho?ohehe?e ?ia i loko o ka wai anuanu e hana i kahi hopena viscous. ?O ka viscosity o ka ho?onā e pili ana i ka vitamina raw material DP (ki?eki?e, waena, ha?aha?a), a me nā kūlana no?ono?o a me ka ho?ohehe?e ?ana, no ka la?ana: ka ho?ohehe?e ?ana a me ka ho?ohana ?ana i ka ikaika shear ki?eki?e i ka hopena, inā he ha?aha?a ka CMC DS, a ?a?ole kūlike ka māhele ho?ololi, a laila hana ?ia ka hui gel; ?O ka ho?ololi ?ana, inā ho?oka?awale ?ia ka DS ki?eki?e a me ka ho?ololi ?ana, ua ho?okumu ?ia kahi hopena akaka a kūlike.