Tiyi woyera amachokera kuCamellia sinensismbewu monga wakuda tiyi, wobiriwira tiyi ndi oolong tiyi. Ndi imodzi mwa mitundu isanu ya tiyi yomwe imatchedwa tiyi weniweni. Tiyi yoyera isanatsegulidwe, masamba amakololedwa kuti apange tiyi woyera. Masambawa nthawi zambiri amaphimbidwa ndi tsitsi loyera locheperako, lomwe limapangitsa dzina lawo kukhala tiyi. Tiyi yoyera imakololedwa makamaka m'chigawo cha Fujian ku China, koma palinso opanga ku Sri Lanka, India, Nepal ndi Thailand.
Kuchuluka kwa okosijeni
Tiyi weniweni onse amachokera ku masamba a zomera zomwezo, choncho kusiyana kwa tiyi kumatengera zinthu ziwiri: terroir (dera limene mbewuyo imamera) ndi momwe amapangira.
Chimodzi mwazosiyana pakupanga tiyi aliyense wowona ndi kuchuluka kwa nthawi yomwe masamba amaloledwa kutulutsa oxidize. Akatswiri a tiyi amatha kugubuduza, kuphwanya, kuwotcha, moto ndi masamba a nthunzi kuti athandizire pakupanga okosijeni.
Monga tanenera, tiyi woyera ndiye wopangidwa pang'ono kwambiri wa tiyi wowona ndipo motero sakhala ndi nthawi yayitali ya okosijeni. Mosiyana ndi njira yayitali ya oxidation ya tiyi wakuda, yomwe imapangitsa kuti pakhale mdima, wolemera, tiyi woyera amangofota ndi kuuma padzuwa kapena malo otetezedwa kuti asunge munda-mwatsopano wa zitsamba.
Mbiri Ya Flavour
Popeza tiyi yoyera imakonzedwa pang'ono, imakhala ndi mawonekedwe osavuta komanso osavuta komanso otumbululuka achikasu. Ili ndi kukoma kokoma pang'ono. Ikafulidwa bwino, ilibe kukoma kolimba kapena kowawa. Pali mitundu ingapo yosiyanasiyana, yomwe imakhala ndi zipatso, zamasamba, zokometsera komanso zamaluwa.
Mitundu ya Tiyi Yoyera
Pali mitundu iwiri ikuluikulu ya tiyi woyera: Silver Singano ndi White Peony. Komabe, pali tiyi ena oyera ambiri kuphatikiza Long Life Eyebrow ndi Tribute Eyebrow pamodzi ndi tiyi woyera waluso monga Ceylon White, African White ndi Darjeeling White. Silver Needle ndi White Peony amaonedwa kuti ndi apamwamba kwambiri pankhani ya khalidwe.
Singano ya Silver (Bai Hao Yinzhen)
Mitundu ya Silver Needle ndiye tiyi yoyera komanso yosalimba kwambiri. Zimakhala ndi masamba amtundu wa siliva wokha pafupifupi 30 mm m'litali ndipo amapereka kuwala, kukoma kokoma. Tiyi amapangidwa pogwiritsa ntchito masamba ang'onoang'ono a tiyi. Tiyi yoyera ya Silver Needle ili ndi fungo la golide, fungo lamaluwa komanso thupi lamitengo.
White Peony (Bai Mu Dan)
White Peony ndiye tiyi wachiwiri wapamwamba kwambiri ndipo amakhala ndi masamba osakanikirana ndi masamba. Kawirikawiri, White Peony imapangidwa pogwiritsa ntchito masamba awiri apamwamba. Ma tiyi oyera a Peony ali ndi kukoma kwamphamvu kuposa mtundu wa Singano ya Siliva. Zokometsera zovuta zimaphatikiza zolemba zamaluwa ndi kumva kwathunthu komanso kutha kwa nutty pang'ono. Tiyi woyera uyu amaonedwanso ngati mtengo wabwino wogulira poyerekeza ndi Singano ya Siliva chifukwa ndi yotsika mtengo komanso imapereka kukoma kwatsopano, kolimba. Tiyi woyera wa Peony ndi wobiriwira wotumbululuka komanso wagolide kuposa momwe amachitira.
Ubwino Wathanzi wa Tiyi Yoyera
1. Thanzi Lapakhungu
Anthu ambiri amalimbana ndi zosokoneza pakhungu monga ziphuphu, zipsera ndi kusinthika. Ngakhale zambiri mwazinthu zapakhunguzi sizowopsa kapena zowopseza moyo, zimakhala zokwiyitsa ndipo zimatha kuchepetsa chidaliro. Tiyi yoyera imatha kukuthandizani kuti mukhale ndi khungu lofananira chifukwa cha antiseptic ndi antioxidant katundu.
Kafukufuku wopangidwa ndi yunivesite ya Kinsington ku London adawonetsa kuti tiyi woyera amatha kuteteza maselo akhungu kuti asawonongeke ndi hydrogen peroxide ndi zinthu zina. Tiyi yoyera yokhala ndi antioxidant imathandizanso kuchotsa ma radicals aulere omwe angayambitse zizindikiro za ukalamba msanga kuphatikiza mtundu wa pigment ndi makwinya. Ma anti-inflammatory properties a white tea antioxidants angathandizenso kuchepetsa kufiira ndi kutupa chifukwa cha matenda a khungu monga chikanga kapena dandruff (1).
Popeza ziphuphu zakumaso nthawi zambiri zimayamba chifukwa cha kuipitsa komanso kudziunjikira kopanda malire, kumwa kapu ya tiyi woyera kamodzi kapena kawiri patsiku kumatha kuyeretsa khungu. Kapenanso, tiyi woyera angagwiritsidwe ntchito ngati kuyeretsa kusamba mwachindunji pakhungu. Mukhozanso kuyika thumba la tiyi woyera molunjika pazovuta zilizonse kuti mufulumire machiritso.
Phunziro la 2005 la Pastore Formulations linasonyeza kuti tiyi yoyera ikhoza kukhala yopindulitsa kwa anthu omwe akudwala matenda a khungu kuphatikizapo rosacea ndi psoriasis. Izi zitha kuthandizidwa ndi epigallocatechin gallate yomwe ilipo mu tiyi yoyera yomwe imathandiza kupanga maselo atsopano mu epidermis (2).
Tiyi yoyera imakhala ndi ma phenols ambiri, omwe amatha kulimbikitsa collagen ndi elastin zomwe zimapangitsa khungu kukhala losalala komanso lachinyamata. Mapuloteni awiriwa ndi ofunikira pakupanga khungu lolimba komanso kupewa makwinya ndipo amapezeka muzinthu zosiyanasiyana zosamalira khungu.
2. Kupewa Khansa
Kafukufuku wasonyeza kugwirizana kwakukulu pakati pa tiyi weniweni ndi kuthekera kopewa kapena kuchiza khansa. Ngakhale kuti maphunziro sali otsimikiza, ubwino wakumwa tiyi woyera makamaka umachokera ku antioxidants ndi polyphenols pa tiyi. Antioxidants mu tiyi woyera angathandize kumanga RNA ndi kupewa masinthidwe maselo chibadwa amene kumabweretsa khansa.
Kafukufuku mu 2010 adapeza kuti antioxidants mu tiyi woyera anali othandiza kwambiri popewa khansa kuposa tiyi wobiriwira. Ofufuzawo adagwiritsa ntchito tiyi yoyera kuti ayang'ane ma cell a khansa ya m'mapapo mu labu ndipo zotsatira zake zidawonetsa kufa kwa maselo omwe amadalira mlingo. Ngakhale maphunziro akupitilira, zotsatirazi zikuwonetsa kuti tiyi yoyera imatha kuthandizira kuletsa kuchuluka kwa maselo a khansa komanso kuthandizira kufa kwa maselo osinthika (3).
3. Kuonda
Kwa anthu ambiri, kuonda kumadutsa chabe kupanga chisankho cha Chaka Chatsopano; ndizovuta kwambiri kutaya mapaundi ndikukhala ndi moyo wautali komanso wathanzi. Kunenepa kwambiri ndi chimodzi mwazinthu zomwe zimathandizira kuti munthu akhale ndi moyo wautali komanso kuchepa thupi kumakhala kofunika kwambiri kwa anthu.
Kumwa tiyi woyera kungakuthandizeni kukwaniritsa zolinga zanu zowonda pothandiza thupi lanu kuyamwa zakudya zopatsa thanzi komanso kutaya mapaundi mosavuta pofulumizitsa kagayidwe kake. Kafukufuku waku Germany wa 2009 adapeza kuti tiyi yoyera imatha kuthandizira kuwotcha mafuta osungidwa m'thupi komanso kupewa kupanga maselo atsopano amafuta. Makatekin omwe amapezeka mu tiyi woyera amathanso kufulumizitsa kugaya chakudya komanso kuthandizira kuchepetsa thupi (4).
4. Umoyo Watsitsi
Sikuti tiyi woyera ndi wabwino pakhungu, angathandizenso kukhazikitsa tsitsi labwino. Antioxidant yotchedwa epigallocatechin gallate yawonetsedwa kuti imathandizira kukula kwa tsitsi ndikuletsa kutayika kwa tsitsi msanga. EGCG yawonetsanso lonjezo pochiza matenda a khungu la scalp omwe amayamba chifukwa cha mabakiteriya omwe samva mankhwala wamba (5).
Tiyi woyera amatetezanso mwachibadwa ku dzuwa, zomwe zingathandize kuti tsitsi lisaume m'miyezi yachilimwe. Tiyi yoyera imatha kubwezeretsanso kuwala kwachilengedwe kwa tsitsi ndipo imagwiritsidwa ntchito bwino ngati shampu ngati mukufuna kuwongolera bwino.
5. Imawonjezera Kudekha, Kuyikira Kwambiri ndi Kukhala Watcheru
Tiyi woyera ali ndi kuchuluka kwa L-theanine pakati pa tiyi weniweni. L-theanine amadziwika kuti amathandizira kukhala tcheru komanso kuyang'ana muubongo poletsa zinthu zosangalatsa zomwe zingayambitse kuchita mopitirira muyeso. Pochepetsa zolimbikitsa muubongo, tiyi yoyera imatha kukuthandizani kuti mupumule ndikukulitsa chidwi (6).
Mankhwalawa awonetsanso ubwino wathanzi pankhani ya nkhawa. L-theanine imalimbikitsa kupanga neurotransmitter GABA, yomwe imakhala ndi zotsatira zochepetsetsa zachilengedwe. Gawo labwino kwambiri la kumwa tiyi woyera ndikuti mutha kupindula ndi kukhala tcheru kowonjezereka popanda zotsatira za kugona kapena kuwonongeka komwe kumabwera ndi mankhwala osokoneza bongo.
Tiyi yoyera ilinso ndi kafeini kakang'ono komwe kamatha kukuthandizani kuti muyambe tsiku lanu kapena kukupatsani masana. Pafupifupi, tiyi woyera amakhala ndi 28 mg wa caffeine mu kapu iliyonse ya 8-ounce. Izi ndizochepa kwambiri kuposa 98 mg mu kapu ya khofi ndi zochepa pang'ono kuposa 35 mg mu tiyi wobiriwira. Ndi kuchepa kwa caffeine, mukhoza kumwa makapu angapo a tiyi woyera patsiku popanda zotsatira zoipa zomwe makapu amphamvu a khofi angakhale nawo. Mutha kumwa makapu atatu kapena anayi patsiku osadandaula kuti mukumva kupweteka kapena kusowa tulo.
6. Thanzi la Mkamwa
Tiyi woyera ali ndi kuchuluka kwa flavonoids, tannins ndi fluoride zomwe zimathandiza mano kukhala athanzi komanso amphamvu. Fluoride imadziwika kuti ndi chida choletsa kuwola ndipo nthawi zambiri imapezeka m'mankhwala otsukira mano. Ma tannins ndi ma flavonoids amathandizira kupewa kupangika kwa plaque komwe kungayambitse kuwola kwa mano ndi kubowola.7).
Tiyi yoyera imakhalanso ndi antiviral ndi antibacterial properties zomwe zimathandiza kuti mano ndi mkamwa zikhale zathanzi. Kuti mupeze mapindu a mano a tiyi woyera, yesetsani kumwa makapu awiri kapena anayi patsiku ndikubwezeretsanso matumba a tiyi kuti mutenge zakudya zonse ndi ma antioxidants.
7. Thandizani Kuchiza Matenda a Shuga
Matenda a shuga amayamba chifukwa cha majini komanso moyo wawo ndipo ndizovuta kwambiri masiku ano. Mwamwayi, pali njira zambiri zoyendetsera ndi kuwongolera matenda a shuga ndi tiyi woyera ndi imodzi mwa izo.
Makatekisimu omwe ali mu tiyi woyera limodzi ndi ma antioxidants ena awonetsedwa kuti amathandizira kupewa kapena kuwongolera matenda amtundu wa 2. Tiyi yoyera imalepheretsa kugwira ntchito kwa enzyme amylase yomwe imawonetsa kuyamwa kwa shuga m'matumbo aang'ono.
Kwa anthu omwe ali ndi matenda a shuga amtundu wa 2, enzyme imeneyi imaphwanya masitayelo kukhala shuga ndipo imatha kuyambitsa kuchuluka kwa shuga m'magazi. Kumwa tiyi woyera kungathandize kuwongolera ma spikeswo poletsa kupanga amylase.
Mu kafukufuku waku China wa 2011, asayansi adapeza kuti kumwa tiyi woyera pafupipafupi kumachepetsa kuchuluka kwa shuga m'magazi ndi 48% ndikuwonjezera kutulutsa kwa insulin. Kafukufukuyu adawonetsanso kuti kumwa tiyi woyera kunathandiza kuchepetsa polydipsia, yomwe ndi ludzu lalikulu lomwe limabwera chifukwa cha matenda monga matenda a shuga.8).
8. Amachepetsa Kutupa
Makatekini ndi ma polyphenols mu tiyi woyera amadzitamandira ndi anti-inflammatory properties zomwe zingathandize kuthetsa zowawa zazing'ono ndi zowawa. Kafukufuku wa nyama zaku Japan wofalitsidwa mu MSSE Journal adawonetsa kuti makatekini omwe amapezeka mu tiyi woyera amathandizira kuchira msanga komanso kuwonongeka kwa minofu.9).
Tiyi yoyera imathandizanso kuti magazi aziyenda bwino komanso amatulutsa mpweya ku ubongo ndi ziwalo. Chifukwa cha izi, tiyi woyera ndi othandiza pochiza mutu waung'ono ndi zowawa ndi zowawa chifukwa chogwira ntchito.