ʻO ka propylene glycol he wai waihoʻoluʻu ʻole, ʻaʻala ʻole, ʻaʻohe ʻano wai ʻoniʻoni me kahi ʻano mānoanoa iki ma mua o ka wai. ʻAʻohe ona ʻono a he mea hoʻohui meaʻai chemically synthesized. E like me ka ethanol, he mea inu ʻona.

Eia kekahi, ma ke ʻano he mea hoʻoheheʻe organik, hiki iā ia ke hoʻoheheʻe i nā solutes organik ʻoi aku ka maikaʻi ma mua o ka wai a hiki ke mālama maikaʻi i ka makū. Ma muli o kēia mau waiwai kemika kūikawā, hoʻohana nui ʻia i nā mea hoʻonaninani. Hiki ke hoʻohana pinepine ʻia ka propylene glycol ma ke ʻano he moisturizer, softener, solvent, etc., a loaʻa iā ia ka moisturizing maikaʻi a me nā hopena noi. Hiki ke hoʻohana ʻia i nā mea hoʻonaninani a pau, ʻoi aku ka wai, ka wai, ka ʻaila, ka maka maka a me nā huahana ʻē aʻe.

Ma waho aʻe o ke kahua hoʻonaninani, he mea nui hoʻi ia i ka māla meaʻai. Ua ʻike iā mākou, akā ʻaʻole mākou e nānā iki. Wahi a ka "GB 2760-2014 National Food Safety Standard - Food Additive Usage Standard", nā hana o propylene glycol: stabilizer, coagulant, anti-caking agent, defoaming agent, emulsifier, moisture retaining agent, and thickener.

No laila, hoʻohana pinepine ʻia e like me ka emulsifier meaʻai e hoʻohui ʻia i ka berena, ka pata a me nā huahana ʻē aʻe. Eia kekahi, hoʻohana pinepine ʻia ka propylene glycol i ka hoʻoili pia a me nā kaʻina hoʻoiho ma ke ʻano he solvent no nā mea ʻala.

Eia kekahi, no nā hoaaloha makemake e kālua, ʻo propylene glycol kahi huahana maʻamau, hiki ke kōkua i nā pastries e loaʻa i kahi ʻono maikaʻi aʻe.

Wahi a nā kūlana aupuni, ʻo ka lawe palekana o propylene glycol e hahai i nā kūlana i hoʻonohonoho ʻia e ka International Joint Expert Group on Food Additives, ʻo ia hoʻi, ʻaʻole pono ka ʻai i kēlā me kēia lā ma mua o 25 mg no ke kilo o ke kaumaha o ke kino.

No ke kanaka makua he 70 kg, ʻaʻole ʻoi aku ka nui o ka lawe ʻana i kēlā me kēia lā ma mua o 1.75 g. I kēia manawa, ma ke kahua o ka hana ʻana i ka meaʻai pastry e like me nā keke, i ka wā e hoʻohana ai i ka propylene glycol ma ke ʻano he mea hoʻohui, ʻo ke ala i hāpai ʻia ʻo ia ka mea ʻaʻole i ʻoi aku ka nui o ka ʻike ma mua o 3 grams no ka kilo o ka meaʻai.

Hiki ke ʻae ʻia ka propylene glycol no ka hoʻohana ʻana i mea hoʻohui meaʻai a ua hala i nā loiloi palekana koʻikoʻi. Ma lalo o "nā hiʻohiʻona hoʻohana maʻamau a me nā intake", "ʻai lōʻihi" ʻaʻole e pōʻino i ke olakino.

waiwai kemika

Propylene glycol
CAS:57-55-6
Huina molekala C3H8O2
kaumaha molekala 76.09
Helu EINECS 200-338-0
Ka helu hehee -60 °C (kukui)
Ka helu hoʻolapalapa 187 °C (kukui)
Māmā 1.036 g/mL ma 25 °C (kukui.)
ʻO ka nui o ka mahu 2.62 (vs ea)
Pumi mahu 0.08 mm Hg ( 20 °C)
Hōʻike hōʻike manaʻo n20 /D 1.432(ʻā.

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