Kapia Gellan CAS:71010-52-1 Kaihanga Kaiwhakarato

He whakakapinga agar me te kaihopu whakapūmau te Gellan Gum, ā, he whai hua i roto i te whānuitanga o ngā matū whakapūmau. Ka whakamahia te gellan gum hei kaihopu whakapūmau, hei whakamātotoru, hei whakaū hoki i roto i ngā whakaritenga whakapaipai. He kaihopu i whiwhihia mai i te whakapūmautanga o te moroiti sphingomonas elodea te kapia. Ko ngā huka o roto ko te glucose, te waikawa glucuronic, me te rhamnose i te ōwehenga ngota o te 2:1:1, e honoa ana kia puta he hanganga tuatahi e tito ana i te waeine tetrasaccharine e toe ana. Mā te whakaora tika ka puta te kapia i tōna āhua taketake, i tōna āhua acyl teitei rānei, kei reira ngā whakakapinga acyl e rua, te acetate me te glycerate. He pūmau, he piri hoki ngā kaihopu mai i taua āhua. I muri i te whakaora i te deacetylation, ka tangohia ngā rōpū acyl kia puta ai te āhua acyl iti; he kaha, he pakarukaru hoki aua kaihopu. I te nuinga o te wā, ka pupuhi te kapia gellan acyl teitei i roto i te wai hei hanga i te whakatārewatanga matotoru, ā, i te wā e whakamahanatia ana, ka ngaro tōna matotoru i te wā e whakamakukuhia ana. Ko te kapia gellan acyl iti he wairewa noa iho i roto i te wai matao, ā, ka rewa mā te whakamahana ki te 70°C, neke atu rānei. Ka puta te waikura i te whakamatao me te tauhohenga ki ngā iona, ko te nuinga he iona konupūmā. He tairongo te kapia gellan ki ngā iona. Ko ngā whakamahinga ko ngā whakakī huarākau, ngā mea reka, ngā hukapapa, ngā hua miraka, ngā inu, me ngā paninga.