Te Pūmautanga o te Rongoā i roto i ngā Whakaritenga Wai
He rongoā whānuitia ngā momo inenga wai nā te mea he ngāwari ki te horomi, he ngāwari te whakarerekē i te inenga, ā, he pai mō ngā tūroro tamariki me ngā tūroro kaumātua. Hei tauira, ko ngā tirikara, ngā whakatārewatanga, ngā whakapūhui, ngā pata waha, ngā otinga werohanga, tae atu ki ngā pata kanohi. Heoi, ahakoa tēnei ngāwari, he wero nui ngā momo inenga wai: te pumau o te rongoā. Ka taea e te kore pumau te whakaiti i ngā taumata o ngā matū hohe, te whakarerekē i ngā kōtaha haumaru, te whakararu i te whai huatanga, tae atu ki te whakaputa hua pirau ka paitini pea. Nō reira, he mea nui te mārama ki te pumau o te rongoā i roto i ngā momo inenga wai mō te ahumahi, ngā kaiwhakaora rongoā, me ngā kaiwhakamahi.
Te Mārama ki te Pūmautanga i roto i ngā Whakaritenga Wai
Ko te pumau o te rongoā ko te kaha o tētahi hua rongoā ki te pupuri i tōna tuakiri, tōna kaha (kaha), tōna kounga, me tōna parakore i te wā e rongoatia ana, e whakamahia ana hoki. I roto i ngā whakaritenga wai, e pā ana te pumau ki ētahi āhuatanga nui, arā:
1. Te pumau matū: kāore te matū hohe e pirau (hei tauira, te waikura, te waikura rānei).
2. Te pumau ā-tinana: kāore he panonitanga o te āhua e puta, pērā i te ua uaua ki te marara, te wehenga o te wāhanga emulsion, ngā panonitanga o te matotoru, te pōuri rānei.
3. Te pumau o te moroiti: kāore he tipu o ngā moroiti ka kino pea te hua, ka whara hoki i ngā tūroro.
4. Te pumau o te rongoā: ka mau tonu te pānga rongoā puta noa i te wā e ora ai.
5. Te pumau o te paitini: kāore ngā hua pirau e piki ki ngā taumata morearea.
Ko ngā whakaritenga wai he ngoikore ake i ngā whakaritenga totoka nā te mea kei roto ngā ngota rongoā i tētahi taiao e tere ake ai te puta o ngā tauhohenga matū, me te noho hoki o te wai hei reo mō te tipu o ngā moroiti.
Ngā Take e Pā Ana ki te Pūmautanga Matū
1. Te waikura
Ko te waikura te tauhohenga o ngā ngota e pakaruhia ana e te wai. He maha ngā rongoā he ester, amide, he lactam rānei ngā rōpū ka waikura wawe, inā koa i ētahi āhuatanga pH. Ko tētahi tauira matarohia ko ngā paturopi beta-lactam, he tairongo ki te waikura. Nā te mea kei roto i ngā whakaritenga wai he wai, ka piki ake te mōrearea o te waikura, me whai rautaki hanga pēnei i te whakatikatika pH, te whakamahi i ngā whakarewa whakauru, te rokiroki pāmahana iti rānei.
2. Te waikura
Ka puta te waikura ina tauhohe te rongoā ki te hāora mai i te hau, ki ētahi atu waikura rānei. He maha ngā wā ka tere ake tēnei tauhohenga e te mārama, ngā katote konganuku (ngā kaiwhakaoho), me ngā pāmahana teitei. He maha ngā wā ka ngawari te waikura o ngā rongoā kei roto ētahi rōpū phenol, aldehyde, amine rānei. Hei ārai i te waikura, ka taea e ngā hanganga te whakamahi i ngā waikura (hei tauira, te konutai metabisulfite, BHT, te waikawa ascorbic rānei), te takai ārai-hau, me te whakamahi i te hauota hei whakakapi i te wāhi hau i roto i te pounamu.
3. Te pirau whakaahua
Ka taea e te māramatanga, inā koa te mārama UV, te whakapōrearea i ngā kai hohe. Ka taea e te whakapōrearea whakaahua te whakarerekē i te tae me te whakaheke i te kaha. Nō reira, ko ētahi wai ka tākaihia ki roto i ngā pounamu pouri (karaka) ka whakamahia rānei he takai me te tiaki UV. Haunga te takai, he mea nui anō hoki te "tiaki i te māramatanga" hei tohutohu i runga i te tapanga.
4. Te Pānga o te pH me te Pūwero
Ko te pH tētahi mea nui i roto i te pumau o ngā momo inenga wai. He maha ngā rongoā e pumau ana i roto i tētahi awhe pH motuhake anake. Ko te tikanga ka tāpirihia e ngā kaihanga matū ngā pūnaha ārai hei pupuri i te pH, engari me taurite te whakamahinga o ngā ārai nā te mea ka pā ki te wairewatanga, te reka, tae atu ki ngā tere pirau. Hei tāpiri, ka pā hoki te pH ki te whai huatanga o ngā matū tiaki paturopi.
5. Te Taunekeneke ki ngā Kaitautoko
Ka taea e ngā mea tāpiri pēnei i ngā mea reka, ngā mea tiaki, ngā mea whakarewa, me ngā mea whakamātotoru taunekeneke ki ngā rongoāHei tauira, ka taea te mimiti i ētahi matū tiaki e ngā matū horoi, te here rānei ki ngā pūmua, ka whakaiti i tō rātou whai huatanga. Kāore ēnei taunekeneke e kitea tonutia e te kanohi tahanga engari ka pā nui ki te kounga o te hua i te wā e rongoatia ana.
Te Pūmautanga ā-Tino: Ngā Otinga, Ngā Whakatārewatanga, me Ngā Emulsions
1. Otinga
I roto i te otinga, ka rewa katoa te matū hohe, nō reira ko ngā raruraru matua ko te pirau matū, ko ngā huringa rānei o te wairewatanga nā te pāmahana. Mēnā ka heke te wairewatanga (hei tauira, i ngā pāmahana iti), ka puta pea te whakatioatatanga. Ehara i te mea ka whakarerekē noa te whakatioatatanga i te horopeta e tukuna ana, engari ka pā hoki ki te āhua me te manako o te tūroro.
2. Whakatārewatanga
Kei roto i ngā whakatārewatanga ngā matūriki totoka kua marara. Ko ngā wero matua ko te whakatōtō, te whakapūpū (te paru mārō e uaua ana ki te rūrū), me ngā panonitanga o te rahi o te matūriki (te whakakotahitanga). Hei whakaiti i ēnei raruraru, ka whakamahia ngā matū whakatārewatanga (hei tauira, CMC, HPMC, xanthan gum) me ngā kaiwhakahaere matotoru. Ehara i te mea he tikanga noa te tohutohu "rūrū tuatahi", engari he mea nui kia rite te horopeta.
3. Whakarewatanga
He pūnaha rua-wāhanga te emulsion (hinu-wai) e whakauhia ana e te surfactant. Ka taea e ngā emulsion te whakakirikiri, te whakakotahi, te pakaru rānei (te wehenga tuturu). Ka pāngia te pumau o te emulsion e te momo surfactant, te rahi o te pata, ngā rerekētanga o te mātotorutanga o te wāhanga, me te pāmahana rokiroki. Ka taea e ngā huringa pāmahana tino nui—pēnei i te tio—te kino tuturu i te emulsion.
Te Pūmautanga o te Moroiti me te Tūranga o ngā Mea Whakaora
He tino pai ngā whakaritenga wai, inā koa ko ngā mea kei roto i te wai, mō ngā moroiti. Ka pā te poke o ngā moroiti i te wā e hangaia ana, e whakakī ana, e whakamahia ana rānei (hei tauira, ngā pata, ngā tirikara rānei e whakamahia ana mō ētahi wiki). Nō reira, he maha ngā whakaritenga wai kāore i te parakore kei roto ngā mea tiaki pērā i te parabens, te benzoates, te sorbates, te benzalkonium chloride rānei (mō ētahi whakaritenga). Heoi, me whiriwhiri ngā mea tiaki mā te whakaaro ki:
– Te whānuitanga o te mahi patu huakita
– Te pH tino pai mō te mahi tiaki
– Tērā pea ka pāwera, ka riri rānei
– Te taunekeneke ki ētahi atu rauemi
– Ngā ture me ngā herenga haumaru
Mō ngā whakaritenga parakore pērā i ētahi werohanga, i ētahi pata kanohi rānei, he tino kaha ake ngā whakahaere moroiti. Ko te parakore, te tukatuka ārai mate, me te takai motuhake he wāhanga katoa o te pūnaha pumau moroiti.
Te Pānga o te Pāmahana , te Makuku, me te Kawenga
Ko te tikanga, ka tere ake te pirau o ngā hua i ngā pāmahana teitei (te mātāpono a Arrhenius). Ka tere ake te pirau o ngā hua i te mea e tumanakohia ana mēnā ka rongoatia ki roto i ngā waka wera, ka roa rānei te pānga ki te rā. I tetahi atu taha, ka taea e ngā pāmahana tino iti te whakatō ki roto i ngā otinga, te kino rānei i ngā emulsion. Koia te take he tohutohu kei ētahi hua kia "penapena ki te 2–8°C" kaua rānei e "whakatio".
He mea nui anō hoki te kawe waka: ka pāngia ngā whakatārewatanga me ngā whakapūtanga e ngā ru, ā, ka rerekē te kounga o ngā huringa pēhanga me te pāmahana i te wā tohatoha. I te nuinga o te wā ka whakahaerehia e te umanga ngā whakamātautau pumau e whakatauira ana i ngā āhuatanga tohatoha hei whakarite kia noho tonu te hua i roto i ngā whakaritenga.
Ngā Pūnaha Tākai me te Katinga Ipu
Ehara i te mea he ipu noa iho te takai; he wāhanga hoki o tētahi pūnaha pumau. Ka taea e ētahi kirihou te mimiti i ngā rongoā lipophilic, engari ka taea e te karāhe te taunekeneke ki ngā otinga tino kawakore. Hei tāpiri, ka pā te uruhanga o te hāora me te mamaoa wai o ngā rauemi takai ki te waikura me te kukū o te otinga (nā te mimiti). Me piri ngā pūnaha kati hei ārai i te poke me te ngaronga o te whakarewa. Ko ngā pounamu pouri, ngā mirumiru motuhake, ngā pata parakore, me ngā taupoki ārai tamariki he tauira o ngā hoahoa ka taea te whakarei ake i te pumau me te haumaru.
Whakamātautau Pūmautanga me te Whakatau i te Ora o te Wāhi Pupuri
Ka whakatauhia te roa o te oranga o te hua mā roto i ngā whakamātautau pumau mō te wā roa me te tere. Ko ngā tawhā kua whakamatautauria ko ngā taumata matū hohe, ngā hua pirau, te pH, te matotoru, te āhua, te ōritetanga, me te whakamātautau moroiti. Ka whakamahia ēnei raraunga hei whakatū i ngā rā paunga me ngā tikanga rokiroki. Mō ngā hua whakaranu, ka whakamahia pinepinetia te kupu rā paunga (BUD), he poto ake tēnei nā te iti o ngā raraunga pumau.
Whakamutunga
He maha ngā āhuatanga e pā ana ki te pumau o te rongoā i roto i ngā momo inenga wai, mai i te pirau matū (waipiro, waikura, pirau whakaahua), ngā huringa ā-tinana (whakapūpū, wehenga wāhanga), me te poke moroiti. Ko te whakahaere pH, te whakamahinga tika o ngā mea tāpiri, te kōwhiringa takai, te whakahaere tukanga whakaputa , me te rokiroki kua tūtohutia he mea nui ki te pupuri i te kounga me te haumaru. Mā te mārama ki ēnei mātāpono pumau, ka taea e ngā tohunga rongoā me te ahumahi te whakarite kia whiwhi ngā tūroro i ngā momo inenga wai whai hua, haumaru, me te rite tonu tae noa ki te mutunga o te wā e ora ai.
