Pectin. Yuav ua li cas yog nws thiab yuav ua li cas siv tau?

Peb feem ntau hnov txog cov kev kho mob khoom, uas muaj ib tug pectin. Yuav ua li cas nws yog, nws tsis yog lub npe hu mus rau tag nrho. Yuav pib nrog, lub nplaum xwm ntawm lub substance (a polysaccharide) uas yog tsim nyob rau ntawm galacturonic acid. Nws yog pom nyob rau hauv ntau yam zaub mov ntawm tsob nroj keeb kwm. Qhov no txiv hmab txiv ntoo, zaub, keeb kwm thiab txawm algae.

Feem ntau cov feem ntau, nws siv yog pom nyob rau hauv lag luam xws li khoom noj khoom haus thiab kev lag luam kws. Lub Hoobkas ua pectin los ntawm pomace seem tom qab ua ntawm citrus txiv hmab txiv ntoo, apples, beets, thiab cov paj noob hlis. Confectioneries ntse siv nyob rau hauv lawv cov chaw ua hauj lwm tag nrho cov kev pab thaj chaw ntawm no substance. Nws yog indispensable nyob rau hauv qhov siv thiab ua chocolates (ua los ntawm nws sau), jellies, dej qab zib uas muaj tej yam ntuj tso kua txiv, marshmallow, thiab txawm ice cream.

Yog li ntawd, peb pom cov hauv paus chiv keeb ntawm cov pectin yog siv thiab qhov twg. Yuav ua li cas yog nws, tam sim no nws yog ib qhov tseeb. Koj muaj peev xwm tawm mus rau txoj kev tshawb no ntawm nws pab zog. Raws li cov kws txawj, pectin pab tib neeg lub cev uas yuav tau tshem ntawm ntau yam co toxins. Nyob rau hauv nqa tawm nws ib qho tseem ceeb ua hauj lwm rau qhov kev tshem tawm ntawm toxins, nws tsis ua rau peb tej kev tsim txom. Lub pectic tshuaj muaj ib tug zoo feem nyob rau hauv microflora thiab kev txhim kho ntawm lub plab kom, tej roj uas txhaws taus, thiab niamntiav anti-inflammatory los ntawm pais plab rwj.

Ntawm cov hoob kawm, tej zaum koj xav nyob rau hauv dab tsi cov zaub mov muaj pectin. Yuav ua li cas yog nws thiab dab tsi yog cov kev pab cuam uas koj twb paub. Khoom ranked thawj nyob rau hauv lub xov tooj ntawm pectin, xa mus rau lub Citrus genus. Qhov no txiv qaub, thiab txiv kab ntxwv, thiab txiv kab ntxwv soob, los yog es, lawv crusts. Qhov thib ob qhov chaw yuav tau muab nyob rau hauv xws li ib tug zoo-paub txiv hmab txiv ntoo xws li txiv apples. Tom qab ntawd muaj carrots, apricots, txiv ntoo qab zib thiab thiaj li nyob.

Zoo, ntawm no peb tuaj rau lub sij hawm thaum cov nqe lus nug tshwm sim: yuav ua li cas los npaj pectin nyob hauv tsev? Raws li hais saum toj no, muaj ntau yam khoom muaj nws, tab sis feem ntau ntawm cov neeg siv rau nws tus kheej-catering, yog ib cov kua. Yog vim li cas yog no txiv hmab txiv ntoo? Nws yog lub feem ntau pheej yig thiab lwm, thiab yog yooj yim txaus nyob rau hauv lub ua thiab kev npaj.

Yuav ua li cas yuav ua rau kua pectin, koj kawm tau los ntawm cov nram qab no daim ntawv qhia. Ua ntej koj yuav mus xyuas seb dab tsi peb yuav tau ua. Ntawm no yog ib daim ntawv teev cov khoom xyaw thiab cov tais diav siv rau ua noj ua haus:

- 1 kg ntawm apples;

- 125 ml ntawm dej;

- Riam;

- ib tug yias muaj ib tug tuab hauv qab;

- ib tug sab cib (tsis hlau).

Lub daim ntawv qhia txog kev npaj yog heev yooj yim. Ntxuav lub apples txiav mus rau hauv 8 daim, nrog rau cov tev thiab noob. Ces tus npaj txiv hmab txiv ntoo yog muab tso rau hauv ib lub lauj kaub thiab ncuav txoj cai npaum li cas ntawm cov dej. Cov uas ua sib tov yog boiling nyob rau hauv cov tshav kub txog 25 feeb nrog rau qhov zaj. Thaum txias siav apples yuav tsum ncuav lawv mus rau hauv ib tug sab cib. Kua txiv, uas yuav ntws mus rau hauv lub npaj ntim muaj ib tug loj npaum li cas ntawm pectin tshuaj.

Tab sis nyob rau hauv thiaj li yuav tau txais cov pectin hmoov, nws yog tsim nyog los ziab lub dhau heev lawm kua. Yuav kom qhov no kawg ib lub taub ntim kua txiv yog muab tso rau hauv ib qhov cub thiab rhuab qhuav dej. Cov tshwm sim ntawm cov kev ua thiab yuav pectin - ib tug maub-xim hmoov. Lub taub hau ntawm nws yog zoo li hmoov qab zib. Cia lub resulting khoom yuav tsum tau nyob rau hauv airtight iav hub, nyob rau hauv ib tug txias qhuav qhov chaw.

Tam sim no uas koj paub yuav ua li cas kom tau txais cov pectin. Yuav ua li cas yog nws, koj paub, ib yam nkaus thiab. Tam sim no, lo lus nug no tsis muab koj nyob rau hauv ib tug tuag thaum xaus, thiab cov ntaub ntawv yuav muab qhia rau cov phooj ywg.