Tannins a shayi

Tannins ne high kwayoyin nauyi mahadi samu daga polyhydric phenols. The aka gyara su sami damar hazo sunadarai ba da alkaloids, baiwa da astringent sakamako.

Tannins ake don haka ya kira saboda da kaddarorin. Sun iya "tan" fata, yin shi ruwa resistant. A baya can, wannan amfani da itacen oak haushi. A tsari a wannan batun, aka kira "tanning" da kuma abubuwa da kansu - tanning. The aka gyara da low yawan guba.

Lura cewa tannin (tannic acid) da aka fara shirya a 1797 shekara. A ta da tsarki form an yi shi a 1815.

Tannins an yadu amfani matsayin astringent, antibacterial jamiái a cututtuka na narkewa kamar tsarin. Haka kuma, aka gyara amfani da kumburi cututtuka da na baka rami (as rinsing), ulcers da kuma sauran raunuka.

Anti-mai kumburi aiki na tannins aka alaka da ikon hulɗa tare da sunadarai. A sakamakon haka, kafa a kan m mucous plenochka hana yaduwar ciwon kumburi. Tannins ne tasiri a lokacin da amfani da topically a matsayin haemostatic jamiái.

Tannins a manyan isa yawa ne ba a shayi. Wasu aka gyara, kamar yadda aka ambata a sama, da hemostatic, anti-kumburi da antibacterial Properties. (Barci waldi, misali, sau da yawa amfani ga cututtuka na ido). Wasu polyphenols (catechins) da kaddarorin P-bitamin. Sun taimaka wajen inganta narkewa, ya karfafa ganuwar jini masu girma dabam, rage su permeability. Ya kamata a lura cewa cikakken sa yana catechins Green shayi. A baki na polyphenols ne da yawa karami.

Tannins an rayayye hulda da wani acidic matsakaici da na baƙin ƙarfe. Alal misali, lokacin da brewed shayi a cikin baƙin ƙarfe ganga ya jũya launin ruwan kasa, kuma a cike da laka daga. A matsakaici ne acidic lumfashi shayi (wannan sakamako za a iya gani, ƙara da lemun tsami). A mafi cikin tannins a cikin shayi, da mafi tart da astringent da dandano. Laushi ta iyawa ta ƙara madara.

Mafi tannins ake narkar da a cikin ruwan zafi (da haka shayi ne brewed a tafasasshen ruwa). A sanyaya waldi sau da yawa m - shi ne daya daga cikin kaddarorin da polyphenols. Idan ba haka ba, wannan ya nuna kasa yawa na tannins a feedstock. Hadari daga za a iya kona - sa'an nan ya bayyana sake.

A magani, da kaddarorin tannins ana amfani da na rayayye. An sani cewa shayi polyphenols, misali, ne mai iko antioxidants. A wannan batun, suka sukan yi amfani da a lokuta da guba. Wannan shi ne saboda dũkiyõyinsu ta samar da kafaffen sadarwa tare da daban-daban cutarwa sunadarai, acid, alkaloids, karfe, sa'an nan a kawar da su daga jiki.

A yanayi, da yawa shuke-shuke dauke da tannins. Yawancin wadannan mahadi a cikin binary. Tannins arziki algae, fungi, ferns, mosses. Tannins ba a Pine, Willow, Beech.

Sumac tanning - wakilin iyali sumach - kuma ya ƙunshi polyphenolic mahadi. Ya kamata a lura da cewa mafi girma darajar ne matasa harbe da kuma ganye suna tattara kafin samuwar kore 'ya'yan itace. Broth daga albarkatun kasa wajabta a amai, tashin zuciya, hemoptysis. Infusions suna yadu amfani da kumburi a baka rami, maƙogwaro, pharynx, hanci. Bugu da ƙari kuma, Sumac tannin na amfani da kuna cututtuka, da raunuka a matsayin astringent, antiseptic da anti-mai kumburi wakili. A tasiri na infusions, tinctures a lokacin farko na ciwon sukari.

Duk da haka, niƙe bushe 'ya'yan Sumac Caucasus amfani da kayan yaji domin m da kuma nama jita-jita daga gare ta.