Tannins nyob rau hauv cov tshuaj yej

Tannins muaj molecular yuag tebchaw derived ntawm polyhydric phenols. Lub Cheebtsam muaj lub peev xwm los nag lossis daus ntawm cov nqaijrog thiab alkaloids, muab tej txiaj ntsim nrog astringent nyhuv.

Tannins thiaj li hu ua vim hais tias ntawm nws cov khoom. Lawv yog cov muaj peev xwm "tan" ntawm daim tawv nqaij, ua nws dej resistant. Yav tas los, qhov no siv ntoo qhib tawv. Cov txheej txheem hais txog qhov no, twb hu ua "tanning" thiab cov tshuaj lawv tus kheej - tanning. Lub Cheebtsam muaj tsawg toxicity.

Nco ntsoov tias tannin (tannic acid) twb xub npaj nyob rau hauv 1797 xyoo. Nyob rau hauv nws cov ntshiab daim ntawv nws yog ua nyob rau hauv 1815.

Tannins yog lug siv raws li ib tug astringent, antibacterial cov neeg ua hauj nyob rau hauv cov kab mob ntawm lub digestive system. Ntxiv mus, lub Cheebtsam siv nyob rau hauv inflammatory kab mob ntawm lub qhov ncauj kab noj hniav (raws li muab yaug), ulcers thiab lwm yam txhab.

Anti-inflammatory kev ua ntawm tannins muaj feem xyuam rau lawv muaj peev xwm mus nrog proteins. Raws li ib tug tshwm sim, tsim nyob rau kev tiv thaiv txheej plenochka tiv thaiv ntxiv kis mob. Tannins yog zoo thaum ua ntawv thov topically raws li haemostatic agents.

Tannins nyob rau hauv loj txaus ntau yog tam sim no nyob rau hauv cov tshuaj yej. Ib txhia yam, raws li hais saum toj no, muaj ib tug hemostatic, anti-inflammatory thiab antibacterial thaj chaw. (Ab pw tsaug zog welding, piv txwv li, feem ntau siv rau cov kab mob ntawm lub qhov muag). Ib txhia polyphenols (catechins) muaj lub thaj chaw ntawm P-vitamin. Lawv pab los txhim kho kev zom, ntxiv dag zog rau cov phab ntsa hauv cov hlab ntsha ntawm tag nrho cov ntau thiab tsawg pab, txo lawv cov permeability. Nws yuav tsum tau muab sau tseg hais tias ib tug ua tiav set muaj catechins Ntsuab tshuaj yej. Nyob rau hauv lub dub ntawm lub polyphenols yog me npaum li cas.

Tannins koom interacting nrog ib tug acidic nruab nrab thiab hlau. Piv txwv li, thaum brewed tshuaj yej nyob rau hauv hlau ntim puv xim av thiab muddy brew. Cov nruab nrab yog acidic brightens tshuaj yej (qhov no nyhuv yuav pom, ntxiv lub txiv qaub). Qhov ntau lub tannins nyob rau hauv lub tshuaj yej, qhov ntau tart thiab astringent rau lub saj. Muag nws cov saj los ntawm kev ntxiv mis nyuj.

Qhov zoo tshaj plaws tannins yog yaj nyob rau hauv dej kub (thiab yog li ntawd cov tshuaj yej yog brewed nyob rau hauv boiling dej). Cov txias vuam feem ntau pos huab - nws yog ib tug ntawm cov yam ntxwv ntawm polyphenols. Yog hais tias nws tsis tau, qhov no qhia tsis txaus kom muaj nuj nqis ntawm tannins nyob rau hauv lub feedstock. Clouded brew yuav tau rhuab - ces nws yuav clear dua.

Nyob rau hauv cov tshuaj, lub thaj chaw ntawm tannins yog siv koom. Nws yog lub npe hu hais tias tshuaj yej polyphenols, piv txwv li, yog cov haib antioxidants. Nyob rau hauv no hais txog, lawv yog feem ntau siv nyob rau hauv tus neeg mob ntawm lom. Qhov no yog vim lawv lub zog mus rau daim ntawv kev ruaj ntseg kev sib txuas nrog sib txawv teeb meem cov nqaijrog, acids, alkaloids, hlau, thiab ces tshem tawm cov lawv los ntawm lub cev.

Nyob rau hauv cov xwm, ntau yam nroj tsuag muaj tannins. Feem ntau ntawm cov tebchaw nyob rau hauv lub binary. Tannins nplua nuj algae, fungi, ferns, mosses. Tannins tam sim no nyob rau hauv cov ntoo thuv, willow, beech.

Sumac tanning - tus neeg sawv cev ntawm tsev neeg sumach - tseem muaj polyphenolic tebchaw. Nws yuav tsum tau muab sau tseg tias loj tshaj tus nqi yog cov hluas tua thiab nplooj yog sau ua ntej mus rau tsim ntawm ntsuab txiv hmab txiv ntoo. Broth los ntawm raw cov ntaub ntawv kho nyob rau hauv ntuav, xeev siab, hemoptysis. Infusions yog lug siv rau o nyob rau hauv lub qhov ncauj kab noj hniav, lub suab, lub caj pas, qhov ntswg. Tsis tas li ntawd, sumac tannin ntawm siv nyob rau hauv hlawv cov kab mob, lub qhov txhab li ib tug astringent, antiseptic thiab anti-inflammatory tus neeg saib xyuas. Cov hauj lwm zoo infusions, tinctures thaum lub sij hawm thawj zaug rau theem ntawm cov ntshav qab zib.

Txawm li cas los, hmoov qhuav txiv hmab txiv ntoo sumac Caucasus siv raws li ib tug seasoning rau mob thiab cov tais nqaij therefrom.