ʻO ka sodium carboxymethyl cellulose, i kapa ʻia ʻo carboxymethyl cellulose (CMC) he ʻano o ka polymer fiber ether i hoʻomākaukau ʻia e ka hoʻololi kemika o ka cellulose maoli. ʻO kona hoʻolālā ʻo ia ka D-glucose unit ma o β (1→4) glycosidic bond i hoʻohui ʻia. He nui nā pono o ka hoʻohana ʻana i ka CMC ma mua o nā mea ʻai meaʻai ʻē aʻe.
01 Hoʻohana nui ʻia ka CMC i ka meaʻai
(1) He kūpaʻa maikaʻi ko CMC
I nā meaʻai anu e like me ka popsicles a me ka ice cream, hiki iā ia ke hoʻomalu i ka hoʻokumu ʻana o nā kristal hau, hoʻonui i ka hoʻonui ʻana a mālama i kahi ʻano like ʻole, kūʻē i ka hoʻoheheʻe ʻana, loaʻa kahi ʻono maikaʻi a maʻalahi, a keʻokeʻo ke kala.
I loko o nā huahana waiu, inā he waiu ʻono, waiu hua a i ʻole yogurt, hiki iā ia ke hana me ka protein i loko o ka laulā o ka helu isoelectric o ka waiwai pH (PH4.6) e hana i kahi paʻakikī me kahi ʻano paʻakikī, i mea e pono ai ka paʻa o ka emulsion a hoʻomaikaʻi i ka pale ʻana i ka protein.
(2) Hiki ke hoʻohui ʻia ʻo CMC me nā stabilizers a me nā emulsifiers
I nā huahana meaʻai a me nā mea inu, hoʻohana nā mea hana maʻamau i nā ʻano stabilizers, e like me: xanthan gum, guar gum, carrageenan, dextrin, etc. ʻO nā emulsifiers e like me: glycerol monostearate, sucrose fatty acid esters, etc., ua hoʻohui ʻia e hoʻokō i kēlā me kēia nā pōmaikaʻi a pāʻani i kahi hana synergistic e hōʻemi i nā kumukūʻai hana.
(3) He pseudoplasticity ka CMC
Hiki ke hoʻohuli ʻia ka viscosity o CMC i nā mahana like ʻole. Ke piʻi aʻe ka mahana, emi ka viscosity o ka hopena, a me ka hope; ke loaʻa ka ikaika shear, e emi ka viscosity o CMC, a me ka hoʻonui ʻana i ka ikaika shear, e emi ka viscosity. ʻO kēia mau waiwai e hiki ai iā CMC ke hōʻemi i ka ukana lako a hoʻomaikaʻi i ka homogenization pono i ka wā e hoʻoulu ai, homogenizing, a me ka halihali pipeline, ʻaʻole i hoʻohālikelike ʻia e nā stabilizers ʻē aʻe.
02 Pono kaʻina hana
Ma ke ʻano he stabilizer maikaʻi, e hoʻopilikia ʻo CMC i kona hopena inā hoʻohana pono ʻole ʻia, a e hoʻopau ʻia ka huahana. No laila, no ka CMC, he mea nui ia e hoʻopuehu piha i ka hopena e hoʻomaikaʻi i kona pono, hoʻemi i ka dosage, hoʻomaikaʻi i ka maikaʻi o ka huahana a hoʻonui i ka hua. ʻO ka mea nui, pono e nānā i kēlā me kēia pae kaʻina:
(1) Nā mea hana
1. High-speed shear dispersion method with mechanical force
Hiki ke hoʻohana ʻia nā mea hana āpau me ka hiki ke hoʻohui ʻia e kōkua iā CMC e hoʻopuehu i ka wai. Ma o ka ʻohi ʻāwīwī kiʻekiʻe, hiki ke hoʻomoʻi ʻia ʻo CMC i ka wai e wikiwiki i ka hemo ʻana o CMC.
Ke hoʻohana nei kekahi mau mea hana i nā mea hui wai-pauka a i ʻole nā pahu hoʻohui kiʻekiʻe.
2. ʻO ke ʻano hoʻopuehu ʻana o ke kō
E hui maikaʻi me CMC a me ke kōpaʻa granulated ma kahi ratio o 1: 5, a kāpīpī mālie ma lalo o ka hoʻoulu ʻana e hoʻopau loa i ka CMC.
3. E hoʻoheheʻe i loko o ka wai kō
E like me ka caramel, a me nā mea ʻē aʻe, hiki ke hoʻolalelale i ka hemo ʻana o CMC.
(2) Hoʻohui ʻakika
No kekahi mau mea inu ʻawaʻawa, e like me ka yogurt, pono ke koho ʻia nā huahana kūpaʻa waika. Inā hana maʻamau, hiki ke hoʻomaikaʻi ʻia ka maikaʻi o ka huahana a hiki ke pale ʻia ka ua a me ka stratification.
1. I ka hoʻohui ʻana i ka ʻakika, pono e hoʻomalu pono ʻia ka mahana o ka hoʻohui waika, maʻamau ≤20 ° C.
2. Pono e hoʻomaluʻia ka hoʻonuiʻana o ka waikawa ma 8-20%,ʻo ka haʻahaʻa ka maikaʻi.
3. Hoʻohui ʻia ka ʻakika i ke ʻano o ka pulupulu ʻana, a ua hoʻohui ʻia ma ka ʻaoʻao tangential o ka ratio ipu, maʻamau 1-3 mau minuke.
4. Ka māmā māmā n=1400-2400r/m
(3) Kaulike
1. Ke kumu o ka emulsification
Homogeneous, momona-loaʻa hānai wai, CMC pono e hui pū me ka emulsifier, e like me ka monoglyceride, ka homogenization kaomi o 18-25mpa, a me ka mahana o 60-70 ° C.
2. Ke kumu hoʻokaʻawale
ʻO ka homogenization, inā ʻaʻole kūlike nā mea like ʻole i ka wā mua, aia nō kekahi mau mea liʻiliʻi, pono e homogenized, ʻo ka homogenization kaomi ʻo 10mpa, a ʻo ka mahana he 60-70 ° C.
(4) Hoʻomaʻemaʻe
ʻO CMC i ka wela kiʻekiʻe, ʻoiai inā ʻoi aku ka kiʻekiʻe o ka mahana ma mua o 50 ° C no ka manawa lōʻihi, e emi loa ka viscosity o CMC me ka maikaʻi ʻole. E hāʻule nui ka viscosity o CMC o nā mea hana maʻamau i 80 ° C no 30 mau minuke, no laila hiki ke hoʻohana ʻia ka sterilization a i ʻole barization. ʻO ke ala sterilization e hōʻemi i ka manawa o CMC ma ke kiʻekiʻe wela.
(5) Nā hana mālama ʻē aʻe
1. Pono ka wai i koho ʻia e maʻemaʻe a mālama ʻia ka wai paipu e like me ka hiki. ʻAʻole pono e hoʻohana ʻia ka wai puna e pale aku i ka maʻi microbial a pili i ka maikaʻi o ka huahana.
2. ʻAʻole hiki ke hoʻohana ʻia nā mea hana no ka hoʻoheheʻe ʻana a me ka mālama ʻana i ka CMC i loko o nā pahu metala, akā hiki ke hoʻohana ʻia nā ipu kila kila, nā kīʻaha lāʻau, a me nā ipu seramika. Kāohi i ka komo ʻana o nā ion metala divalent.
3. Ma hope o kēlā me kēia hoʻohana ʻana i ka CMC, pono e hoʻopaʻa paʻa ʻia ka waha o ka ʻeke ʻeke i mea e pale ai i ka komo ʻana o ka wai a me ka deterioration o CMC.
03 Nā pane i nā nīnau ma ka hoʻohana ʻana iā CMC
Pehea ka hoʻokaʻawale ʻana o ka haʻahaʻa-viscosity, medium-viscosity, a me ka kiʻekiʻe-viscosity ma ke ʻano o ka hana? E ʻokoʻa anei ka like ʻole?
Pane:
Hoʻomaopopo ʻia he ʻokoʻa ka lōʻihi o ke kaulahao molekala, a ʻokoʻa paha ke kaumaha o ka molekala, a ua māhele ʻia i ka haʻahaʻa, waena a me ka viscosity kiʻekiʻe. ʻOiaʻiʻo, pili ka hana macroscopic i ka viscosity like ʻole. Loaʻa ka viscosity like ʻole, ka paʻa huahana a me ka ratio acid. ʻO ka pilina pololei ma muli o ka hopena o ka huahana.
He aha nā hana kikoʻī o nā huahana me kahi pae o ka hoʻololi ʻana ma luna o 1.15? I nā huaʻōlelo ʻē aʻe, ʻoi aku ka kiʻekiʻe o ka hoʻololi ʻana, ua hoʻonui ʻia ka hana kikoʻī o ka huahana?
Pane:
Loaʻa i ka huahana kahi kiʻekiʻe o ka hoʻololi, hoʻonui i ka wai, a hoʻemi nui i ka pseudoplasticity. ʻO nā huahana me ka viscosity like ke kiʻekiʻe o ka hoʻololi ʻana a me kahi manaʻo paheʻe. ʻO nā huahana me kahi kūlana kiʻekiʻe o ka hoʻololi ʻana he hopena ʻālohilohi, aʻo nā huahana me kahi degere maʻamau o ka hoʻololi ʻana he hopena keʻokeʻo.
He maikaʻi anei ke koho i ka viscosity medium e hana i nā mea inu protein fermented?
Pane:
ʻO nā huahana viscosity liʻiliʻi a haʻahaʻa, ʻo ke kiʻekiʻe o ka hoʻololi ʻana ma kahi o 0.90, a ʻo nā huahana me ka ʻoi aku ka maikaʻi o ka waika.
Pehea e hemo koke ai ka CMC? I kekahi manawa, ma hope o ka hoʻolapalapa ʻana, hemo mālie.
Pane:
E hui pū me nā colloids ʻē aʻe, a i ʻole e hoʻopuehu me kahi mea hoʻouluulu 1000-1200 rpm.
ʻAʻole maikaʻi ka dispersibility o CMC, maikaʻi ka hydrophilicity, a maʻalahi ka hui ʻana, a ʻoi aku ka ʻike o nā huahana me ke degere pani kiʻekiʻe! ʻOi aku ka wikiwiki o ka wai mehana ma mua o ka wai anuanu. ʻAʻole paipai ʻia ka paila ʻana. ʻO ka kuke ʻana i ka wā lōʻihi o nā huahana CMC e hoʻopau i ke ʻano molekala a nalowale ka huahana i kona viscosity!
Ka manawa hoʻouna: Dec-13-2022