I roto i te mara rongoā, ko te konutai carboxymethylcellulose (CMC) me te hydroxypropyl methylcellulose (HPMC) ngā mea tāpiri rongoā e rua e whakamahia whānuitia ana, he rerekē ngā āhuatanga matū me ngā mahi.
Hanganga matū me ngā āhuatanga
He matū wairewa-wai te CMC, he matū i ahu mai i te cellulose, i whiwhihia mā te huri i tētahi wāhanga o ngā rōpū hydroxyl o te cellulose ki ngā rōpū carboxymethyl. Ko te wairewatanga wai me te matotoru o te CMC e whakawhirinaki ana ki tōna taumata whakakapinga me te taumaha ngota, ā, he pai te mahi hei whakamātotoru me te kaiwhakatārewa.
Ka whiwhihia te HPMC mā te whakakapi i tētahi wāhanga o ngā rōpū hydroxyl o te cellulose ki ngā rōpū methyl me te hydroxypropyl. Ki te whakatauritea ki te CMC, he whānui ake te wairewa o te HPMC, ka taea te whakarewa ki te wai matao me te wai wera, ā, he pumau te matotoru i ngā uara pH rerekē. He maha ngā wā ka whakamahia te HPMC hei hanga kiriata, hei piri, hei whakamātotoru me te kaihoko tukunga whakahaere i roto i ngā rongoā.
Mara tono
Papa
I roto i te hanga papa, ka whakamahia te CMC hei whakarewa me te piri. Hei whakarewa, ka taea e te CMC te mimiti i te wai me te pupuhi, ā, ka āwhina i te whakarewa o ngā papa me te whakanui ake i te tere tukunga o ngā rongoā. Hei here, ka taea e te CMC te whakarei ake i te kaha ā-pūkaha o ngā papa.
Ko te HPMC te mea e whakamahia nuitia ana hei hanga kiriata me te kaihoko tukunga whakahaere i roto i ngā papa. He tino kaha te kiriata i hangaia e te HPMC me te ātete ki te kakahu, ka taea te tiaki i te rongoā mai i te awe o te taiao o waho. I taua wā anō, ka taea hoki te whakamahi i ngā āhuatanga hanga kiriata o te HPMC hei whakahaere i te tere tukunga o te rongoā. Mā te whakarerekē i te momo me te horopeta o te HPMC, ka taea te whakatutuki i te pānga tukunga pumau, tukunga whakahaere rānei.
Ngā kāpūru
I roto i te whakarite kāpūru, kāore i te tino whakamahia te CMC, engari he whānui te whakamahinga o te HPMC, inā koa i roto i te hanga kāpūru kaiwhenua. Ko te nuinga o ngā anga kāpūru tuku iho he mea hanga ki te gelatin, engari nā te raruraru o ngā pūtake kararehe, kua noho te HPMC hei rauemi whakakapi pai. Ko te anga kāpūru i hangaia ki te HPMC ehara i te mea he pai te hototahitanga koiora anake, engari he tutuki hoki i ngā hiahia o te hunga kaiwhenua.
Ngā whakaritenga wai
Nā te mea he pai rawa atu ōna āhuatanga whakamātotoru me te whakatārewatanga, he whānuitia te whakamahinga o te CMC i roto i ngā whakaritenga wai pērā i ngā otinga ā-waha, ngā pata kanohi me ngā whakaritenga ā-kiri. Ka taea e te CMC te whakanui ake i te matotoru o ngā whakaritenga wai, ā, ka whakapai ake i te whakatārewatanga me te pumau o ngā rongoā, ka ārai hoki i te whakatōnga o te rongoā.
Ko te whakamahinga o te HPMC i roto i ngā whakaritenga wai e aro nui ana ki ngā mea whakamātotoru me ngā mea whakaemulsifier. Ka taea e te HPMC te noho pumau i runga i te whānuitanga o te pH, ā, ka taea te hototahi ki ngā momo rongoā me te kore e pā ki te whai huatanga o ngā rongoā. Hei tāpiri, ka whakamahia hoki ngā āhuatanga hanga-kiriata o te HPMC i roto i ngā whakaritenga kiri-kiriata, pērā i te pānga tiaki hanga-kiriata i roto i ngā pata kanohi.
Ngā whakaritenga tukunga whakahaere
I roto i ngā whakaritenga tukunga whakahaere, he mea tino kitea te whakamahinga o te HPMC. Ka taea e te HPMC te hanga i tētahi whatunga tiēre, ā, ka taea te whakahaere i te tere tukunga o te rongoā mā te whakarerekē i te kukū me te hanganga o te HPMC. Kua whānuitia te whakamahinga o tēnei āhuatanga i roto i ngā papa tukunga-roa ā-waha me ngā whakaurunga. He rerekē, he iti ake te whakamahinga o te CMC i roto i ngā whakaritenga tukunga-whakahaere, nā te mea kāore te hanganga tiēre e hangaia ana e ia i te pumau pērā i te HPMC.
Te pumau me te hototahi
He ngoikore te pumau o te CMC i ngā uara pH rerekē, ā, he ngāwari te pāngia e ngā taiao waikawa-pūtake. Hei tāpiri, he ngoikore te hototahitanga o te CMC ki ētahi kai rongoā, ka raru pea te rongoā, ka kore rānei e pai.
He pai te pumau o te HPMC i roto i te whānuitanga o te pH, kāore e ngāwari te pāngia e te waikawa-pūtake, ā, he tino pai te hototahitanga. Ka taea e te HPMC te hototahi ki te nuinga o ngā kai rongoā me te kore e pā ki te pumau me te whai huatanga o te rongoā.
Haumaru me ngā ture
E kiia ana ko te CMC me te HPMC he mea haumaru hei tāpiri rongoā, ā, kua whakaaetia kia whakamahia i roto i ngā whakaritenga rongoā e ngā tari rongoā me ngā tari whakahaere i ngā whenua maha. Heoi, i te wā e whakamahia ana, ka pā mai pea ētahi mate pāwera, ētahi mamae puku rānei i te CMC, engari he onge noa iho te pānga kino o te HPMC.
He painga anō tō te CMC me te HPMC i roto i ngā mahi rongoā. He tūranga nui tō te CMC i roto i ngā whakaritenga wai nā te mea he pai rawa ōna āhuatanga whakamātotoru me te whakatārewatanga, engari kua whānuitia te whakamahinga o te HPMC i roto i ngā papa, ngā kāpū me ngā whakaritenga tuku-whakahaere nā te mea he pai rawa ōna āhuatanga hanga-kiriata me te tuku-whakahaere. Me whiriwhiri ngā whakaritenga rongoā i runga i ngā āhuatanga rongoā me ngā whakaritenga whakaritenga, me te whakaaro whānui ki ngā painga me ngā ngoikoretanga o ngā mea e rua, me te whiriwhiri i te mea tāpiri tino tika.
Te wā tuku: Hurae-19-2024