2024 Tus sau: Jasmine Walkman | [email protected]. Kawg hloov kho: 2023-12-16 08:31
Qee cov txheej txheem ua tiav hauv cov khoom noj thev naus laus zis yog ib qho yooj yim yooj yim ua hauv tsev. Thiab qhov tshwm sim tau zoo thiab txaus siab. Ib qho ntawm cov txheej txheem no yog qhov tsim ntawm emulsions thiab jelly tsim.
Hauv peb lub neej txhua hnub peb siv thiab nyiam emulsions thiab jellies, thiab feem ntau tsis xav txog nws. Lawv muaj nyob rau hauv peb lub neej hauv daim ntawv ntawm mayonnaise, butter, margarine, jellies thiab ntau dua. Lawv tau nyiam rau ntau yam thiab vim yog lawv cov khoom noj tshwj xeeb. Cov menyuam yaus, nrog rau cov laus, nyiam jellies vim lawv cov duab ntxim nyiam, xim, qauv, thiab lwm yam.
Qhov tseeb, cov hom zaub mov no yog vim muaj cov yam ntxwv ntawm cov as-ham zoo li protein, carbohydrates, rog. Cov khoom noj raws li cov khoom kawg tau txais hauv daim ntawv no ua tsaug rau cov emulsifying, foaming thiab gelling cov yam ntxwv ntawm cov khoom xyaw.
Emulsions yog lub tshuab muab los ntawm ob lub kua tsis ua kua. Piv txwv, xws li yog aqueous emulsions. Butter, margarine thiab mis nyuj yog emulsions ntawm hom no.
Txhawm rau kom tau txais qhov ruaj khov emulsion yam tsis muaj kev sib cais ua kua dej hauv cov khoom lag luam xws li butter thiab margarine, thiaj li hu ua surfactants tau siv. Xws li cov tshuaj yog lecithin, uas yog siv los ua emulsifier hauv kev lag luam khoom noj khoom haus. Cov emulsifier txo lub nro qhov nruab nrab ntawm ob qho tshuaj thiab yog li txhim kho cov yam ntxwv ntawm emulsion vim nws nyob rau ntawm qhov interface nruab nrab ntawm lawv. Lecithin belongs rau cov pab pawg ntawm lipids, tab sis tsis tsuas lipids tuaj yeem ua emulsifiers. Cov Proteins tseem ua tau zoo hauv lub luag haujlwm no, tsuav yog lawv muaj qhov tsim nyog hydrophobic-hydrophilic sib npaug.
Raws li rau jelly-txoj kev tsim cov khoom ntawm cov tshuaj, tsuas yog cov protein thiab carbohydrates muaj cov khoom ntawd. Yog li, tsis muaj rog siv rau hauv kev tsim cov kab ua qab zib (jelly candies) thiab lwm yam khoom ua jelly - cov lipids tsis ua rau pom cov yam ntxwv ua tsis muaj roj.
Kev hais lus Carbohydrate yog qhov sib cuam tshuam rau cov molecular uas tsim ib qho chaw sib ze ntawm ib tug neeg cov suab thaj los ntawm kev ua ke. Qhov no ua tiav nrog kev pab los ntawm kev txhawb nqa kub feem ntau, tab sis qee lub thev naus laus zis tau ua tiav kom tau qhov tshwm sim zoo kawg.
Muaj ntau hom kab mob gelling muaj nyob rau hauv kev ua lag luam, uas tuaj yeem siv tau kev nyab xeeb los npaj jellies tom tsev. Xws li tus hais lus gelling yog gelatin, thiab pectin thiab agar tseem muaj cov yam ntxwv zoo li no.
Cov kab lus hauv tsev nqa tau ntau yam kev lom zem tsis yog rau me nyuam yaus xwb, tab sis kuj tseem zoo nkauj, xim zoo nkauj, sib txawv hauv saj.
Pom zoo:
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Cov neeg ua haujlwm hauv tsev ua cawv yuav muaj kev sib tw thaum lub hlis no xaus. Cov kev sib tw yuav muaj nyob rau Lub Ib Hlis 31 / Hnub Sunday / txij li 14.00 hauv Asenovgrad. Cov neeg tsim cov cawv dawb thiab xim liab los ntawm kev sau qoob loo xyoo 2015 tuaj yeem koom kev sib tw, thiab raws li txoj cai lawv xav tau meej.
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