Phau Ntawv Qhia Txog Pectin hauv Khoom Noj

Pectin yog ib qho tseem ceeb hauv cov khoom noj, cuam tshuam kev ntxhib los mos thiab khoom ruaj khov. Tau los ntawm cov txiv hmab txiv ntoo, qhov no ntuj polysaccharide yog qhov tseem ceeb rau jams, jellies, thiab khoom noj siv mis. Los ntawm kev nkag siab txog nws txoj haujlwm, cov tuam txhab khoom noj tuaj yeem tsim cov khoom lag luam zoo uas txaus siab rau cov neeg siv khoom.

Pectin yog dab tsi?

Pectin yog ib yam khoom tshwj xeeb uas pom nyob rau hauv cell phab ntsa ntawm cov txiv hmab txiv ntoo thiab zaub. Nws yog ib tug complex polysaccharide compound. Nws yog cov saw hlau ntev uas tsim los ntawm ntau pawg -D-galacturonic acid txuas nrog glycosidic bonds.

Nyob rau hauv cov nqe lus ntawm qhov chaw, tev thiab nqaij ntawm txiv hmab txiv ntoo xws li txiv apples thiab citrus txiv hmab txiv ntoo, nrog rau qee cov zaub xws li carrots, yog qhov zoo ntawmpectin. Piv txwv li, txiv kab ntxwv peels muaj cov ntsiab lus pectin siab, thiab txiv apples kuj muaj 1 - 1.5% pectin.

Pectin yog tsim los ntawm dab tsi?

Pectin yog ib txwm tshwm sim polysaccharide pom nyob rau hauv ntau yam txiv hmab txiv ntoo thiab zaub, feem ntau siv nyob rau hauv cov zaub mov kev lag luam raws li ib tug gelling thiab thickening neeg sawv cev. Qee qhov tseem ceeb ntawm pectin muaj xws li:

Kua txiv:Kua txiv, tshwj xeeb tshaj yog cov tawv nqaij thiab cov tawv nqaij, yog ib qho ntawm feem ntau qhov chaw rau extract pectin.

Citrus txiv hmab txiv ntoo:Citrus txiv hmab txiv ntoo zoo li txiv kab ntxwv, txiv kab ntxwv, txiv qaub, thiab txiv qaub muab qhov hu ua citrus pectin, uas yog muab rho tawm los ntawm lawv cov tev.

Carrots:Txawm hais tias siv tsawg dua, carrots kuj muaj pectin thiab tuaj yeem ua qhov siv tau.

Apricots:Apricots yog nplua nuj nyob rau hauv pectin thiab feem ntau siv nyob rau hauv jam thiab jelly ntau lawm.

Plums:Plums muaj cov ntsiab lus pectin ntau dua thiab tsim nyog siv los ua tus neeg sawv cev gelling.

Blackberries:Blackberries muaj nruab nrab ntawm pectin thiab feem ntau siv rau hauv cov txiv hmab txiv ntoo khaws cia.

Cherries:Cherries qis dua hauv pectin tab sis tseem tuaj yeem siv rau hauv cov khoom siv txiv hmab txiv ntoo.

Quince:Quince yog tshwj xeeb tshaj yog nyob rau hauv pectin thiab nquag siv nyob rau hauv jam thiab jelly zaub mov txawv rau nws muaj zog gelling zog.

Tus nqi ntawm pectin txawv raws li hom txiv hmab txiv ntoo thiab nws ripeness. Cov txiv hmab txiv ntoo zoo li txiv apples thiab quince feem ntau muaj pectin ntau dua, thaum cov txiv hmab txiv ntoo softer zoo li strawberries muaj cov ntsiab lus pectin qis. Tsis tas li ntawd, cov txiv hmab txiv ntoo unripe muaj ntau pectin piv rau tag nrho cov ripe sawv daws yuav, raws li cov pectin tawg thaum lub sij hawm ripening txheej txheem.

Hom pectin

Pectin Hom	Cov yam ntxwv tshwj xeeb	Siv dav
Tsawg Methoxyl Pectin (LMP)	Ua haujlwm zoo nrog qis qab zib thiab acidity; tsim cov gel thaum ua ke nrog calcium	Haum rau cov kua qab zib tsawg, jellies, thiab gummies
High Methoxyl Pectin (HMP)	Yuav tsum muaj suab thaj ntau thiab acidity; gels nyob rau hauv lub xub ntiag ntawm qab zib	Zoo tagnrho rau tsoos jams, jellies, thiab txiv hmab txiv ntoo preserves
Amidated Pectin	Yuav tsum muaj pH tshwj xeeb thiab qhov kub thiab txias rau kev ua haujlwm zoo	Siv rau hauv cov khoom siv mis nyuj, cov txiv hmab txiv ntoo npaj, thiab cov khoom noj uas xav tau kev ruaj ntseg thiab kev ntxhib los mos

Lub luag haujlwm ntawm Pectin hauv Khoom Noj

1. Gelling nyhuv:Qhov no yog ib lub luag haujlwm tseem ceeb ntawm pectin hauv zaub mov. Thaum ua jams, jellies, thiab cov txiv hmab txiv ntoo khaws cia, pectin tuaj yeem tig cov kua txiv hmab txiv ntoo sib tov rau hauv lub xeev zoo li gel, ua kom cov viscosity thiab ruaj khov ntawm cov zaub mov. Piv txwv li, hauv kev ua jam, yog tias cov khoom siv raw tsis muaj pectin txaus, ntxiv pectin yuav tsum tau ntxiv los pab tsim cov gel.

2. Thickening nyhuv:Pectin tuaj yeem siv rau hauv cov khoom noj xws li dej haus thiab kua ntses kom lawv cov viscosity thiab txhim kho lawv saj thiab kev ntxhib los mos. Ntxiv pectin rau yogurt tuaj yeem ua rau kev ntxhib los mos ntawm yogurt thicker thiab saj ntau mellow.

3. Emulsifying nyhuv:Pectin pab sib tov cov khoom tsis sib xws xws li dej thiab roj los tsim cov emulsion ruaj khov. Piv txwv li, hauv qee cov zaub xam lav hnav khaub ncaws thiab kua ntses, pectin tuaj yeem pab roj thiab dej sib xyaw kom zoo dua thiab tiv thaiv kev sib cais.

4. Stabilizing nyhuv:Hauv cov dej haus uas muaj cov txiv hmab txiv ntoo pulp, pectin tuaj yeem hnov ​​​​mob nrog calcium ions los ua ib lub gel, ua rau cov txiv hmab txiv ntoo sib npaug ntawm cov dej haus thiab tiv thaiv cov txiv hmab txiv ntoo los ntawm kev daws teeb meem.

5. Txhim kho kev ntxhib los mos:Hauv cov khoom ci xws li qhob cij thiab pastries, pectin kev muag khoom tuaj yeem ua rau kom yooj yim thiab nthuav dav ntawm lub khob noom cookie, txhim kho lub ntim thiab saj ntawm qhob cij, thiab txuas ntxiv lub txee lub neej ntawm lub khob cij.

Dab tsi yog Kev Siv Pectin hauv Khoom Noj?

1. Fruit Preserves thiab Jams:

Pectin yog qhov tseem ceeb hauv kev tsim cov txiv hmab txiv ntoo khaws cia, jams, thiab jellies. Raws li tus neeg sawv cev gelling, nws pab ua kom tiav qhov kev ntxhib los mos, tso cai rau cov khoom no los tswj lawv cov duab thaum nws yooj yim rau kis. Nws lub peev xwm los gel ntawm cov suab thaj sib txawv ua rau nws haum rau ob qho tib si cov zaub mov noj thiab cov qab zib tsawg, txaus siab rau cov neeg siv khoom noj qab haus huv.

2. Khoom noj khoom haus:

Hauv kev lag luam khoom qab zib, pectin feem ntau yog siv los tsim cov khoom qab zib gummy thiab txiv hmab txiv ntoo zom. Nws tsim cov gels khov kho tsis tau hloov pauv, qhov tseem ceeb rau kev ntxhib los mos uas cov neeg siv khoom nyiam. Raws li cov nroj tsuag-raws li lwm txoj rau gelatin, pectin nyiam cov neeg tsis noj nqaij thiab vegans, nthuav nws cov lag luam mus txog.

3. Dej haus:

Pectin plays lub luag haujlwm tseem ceeb hauv kev ruaj khov ntawm cov txiv hmab txiv ntoo hauv cov kua txiv hmab txiv ntoo thiab cov dej qab zib. Nws tiv thaiv sedimentation thiab xyuas kom meej txawm tias faib cov txiv hmab txiv ntoo hais, pab txhawb ob qho tib si qhov muag pom thiab qhov ncauj ntawm cov dej qab zib. Qhov kev txhim kho no ua rau muaj txiaj ntsig zoo rau cov neeg siv khoom.

4. Cov khoom siv mis nyuj:

Hauv kev tsim cov kua mis nyeem qaub, pectin ua haujlwm ruaj khov, tiv thaiv kev sib cais ntawm cov whey thiab tswj cov creamy zoo nkauj. Nws txhim kho lub qhov ncauj ntawm ob qho tib si teeb thiab nplawm yogurts, ua rau lawv txaus siab rau cov neeg siv khoom. Pectin kuj tseem siv rau hauv cov khoom noj mis nyuj muaj roj tsawg kom rov ua dua cov creamy kev ntxhib los mos ntawm cov kev xaiv muaj roj ntau yam tsis muaj calories ntxiv.

5. Cov khoom ci:

Pectin yog qhov tseem ceeb hauv kev ci, tshwj xeeb tshaj yog rau cov txiv hmab txiv ntoo txhaws hauv pies thiab pastries. Nws ua tiav qhov xav tau tuab thiab tiv thaiv kev txhaws los ntawm kev ua dhau los thaum lub sijhawm ci, kom ntseeg tau tias cov khoom ci tuav lawv txoj kev ncaj ncees thiab pom kev pom.

6. Sauces thiab Condiments:

Hauv cov kua ntses, hnav khaub ncaws, thiab cov khoom noj, pectin ua raws li ib tugthickening tus neeg sawv cev. Nws ua kom muaj kev ntxhib los mos zoo ib yam thiab tiv thaiv cov khoom sib cais, tshwj xeeb tshaj yog nyob rau hauv cov khoom siv roj tsawg lossis cov calories tsawg, pab rov ua dua cov creaminess pom nyob rau hauv cov roj ntau dua.

Dab tsi yog Kev Hloov Pectin?

Nyob ntawm daim ntawv thov, ntau qhov kev hloov pauv tuaj yeem siv rau qhov chaw ntawm pectin, tshwj xeeb tshaj yog nyob rau hauv jam, jelly, thiab lwm yam zaub mov txawv txiv hmab txiv ntoo. Nov yog qee qhov kev xaiv ua ke:

Agar-Agar:Los ntawm seaweed,agar-agaryog tus neeg tsis noj nqaij hloov pauv pectin thiab ua haujlwm ua tus neeg sawv cev muaj zog. Nws yog feem ntau siv hauv jelly, khoom qab zib, thiab lwm yam khoom noj uas yuav tsum tau ua kom tuab.

Gelatin:Ib qho ntxiv, gelatin muab cov gel zoo li sib xws hauv ntau yam khoom noj. Txawm li cas los xij, nws yog tsiaj-derived, yog li nws tsis haum rau cov neeg tsis noj nqaij lossis vegan zaub mov txawv.

Pob kws:Cornstarch yog ib tug nrov thickening neeg sawv cev siv nyob rau hauv cov kua ntsw, txhaws, thiab khoom qab zib. Txawm hais tias nws tsis muab tib lub gel zoo li pectin, nws tuaj yeem pab ua kom muaj kev ntxhib los mos hauv jams lossis jellies.

Xaus Saus

Cov khoom muaj pectin zoo kawg nkaus txhim kho kev ntxhib los mos thiab tsw thiab ua tau raws li qhov xav tau nce ntxiv rau kev noj qab haus huv, kev xaiv cog qoob loo. Txawm hais tias koj yog ib tus neeg ua noj hauv tsev lossis cov chaw tsim khoom noj, puag pectin yuav muab koj cov kev tsim tawm sib nrug thiab ntxim nyiam koj cov neeg tuaj saib zoo li tsis tau ua ntej!