txheem
Coob leej neeg nyiam qab thiab noj qab haus huv kefir, fermented ci mis, yogurt. Lawv muaj qab ntxiag, saj me ntsis thiab tsis tsuas yog qab, tab sis kuj yog zaub mov zoo rau peb lub cev. Tom qab tag nrho, lawv muaj lactic acid, uas peb xav tau kev noj qab haus huv thiab lub zog.
Cov kab mob lactic yog nquag tsim tawm los ntawm lub cev yog qhov txiaj ntsig ntawm kev kawm ua kis las. Nws lub cev ntau dhau hauv lub cev yog qhov paub rau peb txhua tus los ntawm qhov kev hnov ntawm cov leeg mob tom qab kawm ntawv kev qhia lub cev.
Lactic acid yog siv los ntawm lub cev rau cov tshuaj tseem ceeb. Nws yog qhov tsim nyog rau chav kawm ntawm cov txheej txheem metabolic. Siv ncaj qha los ntawm lub siab nqaij, lub hlwb thiab lub paj hlwb.
Cov lactic acid zaub mov noj nplua nuj:
Cov yam ntxwv dav ntawm lactic acid
Lactic acid tau tshawb pom nyob rau xyoo 1780 los ntawm Swedish kws tshuaj thiab kws muag tshuaj Karl Scheele. Nws tau ua tsaug rau tus neeg tshwj xeeb no uas ntau cov organic thiab inorganic tshuaj tau paub thoob ntiaj teb - tshuaj chlorine, glycerin, hydrocyanic thiab lactic acids. Qhov sib xyaw ua ke ntawm huab cua tau ua pov thawj.
Thawj thawj zaug, cov kab mob lactic acid tau pom hauv cov leeg nqaij, ces nyob hauv cov noob ntawm cov nroj tsuag. Xyoo 1807, Swedish mineralogist thiab kws tshuaj Jens Jakob Berzelius cais lactate ntsev tawm ntawm cov leeg.
Lactic acid yog tsim los ntawm peb lub cev hauv cov txheej txheem ntawm glycolysis - kev zom cov carbohydrates hauv kev cuam tshuam ntawm cov enzymes. Cov kua qaub tau tsim tawm ntau hauv lub hlwb, nqaij leeg, mob siab, plawv thiab qee yam kabmob.
Hauv cov zaub mov, thaum kis tau cov kab mob lactic acid, cov kua qaub kuj tseem tsim. Muaj ntau ntawm nws hauv yogurt, kefir, fermented ci mis nyuj, qaub cream, sauerkraut, npias, cheese thiab cawv.
Lactic acid tseem yog cov tshuaj tsim hauv cov chaw lag luam. Nws yog siv los ua khoom noj ntxiv thiab tiv thaiv rau E-270, uas tau pom tias muaj kev nyab xeeb rau feem ntau cov neeg noj. Nws ntxiv rau mis mos cov mis mos, zaub nyoos hnav thiab ib co khoom zais cia.
Txhua hnub yuav tsum tau muaj rau cov kab mob lactic acid
Kev siv lub cev txhua hnub rau cov khoom no tsis tau hais meej rau txhua qhov chaw. Nws paub tias nrog lub cev tsis txaus ua haujlwm, cov kab mob lactic acid hauv lub cev tsim tawm zuj zus. Hauv qhov no, txhawm rau muab lub cev nrog cov lactic acid, nws pom zoo kom haus txog li ob khob kua mis nyeem qaub lossis kefir ib hnub.
Qhov xav tau ntawm cov kab mob lactic acid nce nrog:
- lub cev ua si nyhav, thaum qhov ua si ob npaug;
- nrog cov kev mob hlwb siab;
- thaum lub sij hawm nquag kev loj hlob thiab kev loj hlob ntawm lub cev.
Qhov xav tau ntawm cov kab mob lactic acid txo:
- thaum laus;
- nrog rau cov kab mob ntawm daim siab thiab lub raum;
- nrog cov ntsiab lus siab ntawm ammonia hauv cov ntshav.
Kev zom ntawm lactic acid
Lub lactic acid lwg me me yuav luag 2 npaug me dua cov kua nplaum qog. Nws yog tsaug rau qhov no tias nws tau nrawm heev los ntawm lub cev. Kev thab plaub ntawm txhua yam kev thaiv, nws yooj yim nkag mus rau ntawm cov kab mob ntawm cov leeg hauv peb lub cev.
Cov khoom muaj txiaj ntsig zoo ntawm cov kab mob lactic acid thiab nws cov nyhuv rau ntawm lub cev
Lactic acid tau koom nrog hauv kev muab lub cev nrog lub zog, ua lub luag haujlwm tseem ceeb hauv cov khoom noj hauv lub cev thiab hauv kev tsim cov kua nplaum. Nws yog qhov tsim nyog rau kev ua haujlwm ntawm myocardium, lub paj hlwb, lub hlwb thiab qee yam kabmob. Nws muaj cov anti-inflammatory thiab antimicrobial siv nyob rau hauv lub cev.
Sib cuam tshuam nrog lwm cov ntsiab:
Lactic acid cuam tshuam nrog dej, oxygen, tooj liab thiab hlau.
Cov cim ntawm qhov tsis muaj lactic acid hauv lub cev:
- tsis muaj zog;
- teeb meem nrog kev zom;
- lub hlwb ua haujlwm tsis muaj zog.
Cov cim ntawm cov lactic acid ntau nyob hauv lub cev:
- cov tawv ncauj ntawm ntau lub hauv paus;
- mob rau daim siab mob siab (mob siab, mob ntsws);
- laus laus;
- decompensation ntawm ntshav qab zib mellitus;
- qhov ntau ntawm ammonia hauv cov ntshav.
Lactic acid rau kev zoo nkauj thiab noj qab haus huv
Lactic acid tau pom nyob hauv cuticle removers. Nws tsis ua kom tawv nqaij ib txwm ua, tab sis tsuas yog ua rau keratinized txheej ntawm epidermis. Cov cuab yeej no yog siv los tshem tawm cov pob txha caj dab thiab tseem ua pob cos.
Prstokvash plaub hau qhov ncauj qhov ntswg tau ua haujlwm zoo rau qhov ua kom plaub hau hle. Tsis tas li ntawd, cov plaub hau ci thiab ci. Nws ua haujlwm zoo ntawm qhuav rau ib txwm plaub hau. Tom qab 30 feeb los so ntawm cov plaub hau, lub npog ntsej muag raug ntxuav tawm nrog dej sov tsis tas siv cov zawv plaub hau.
Hauv kev qhia txog kev zoo nkauj ntawm peb cov pog, koj tuaj yeem nrhiav tau daim ntawv qhia txog kev noj qab haus huv rau kev khaws cia cov hluas thiab cov tawv nqaij noj qab haus huv - niaj hnub ntxuav nrog qaub mis. Cov ntawv sau qub hais tias qhov kev ntxuav no pab ntxuav cov tawv nqaij quav thiab tawv hnub nyoog, ua kom tawv nqaij zoo nkauj dua thiab ntau dua.