Lub sij hawm sau ntawm cov tshuaj yej dawb yog thaum ntxov caij nplooj ntoos hlav. Nyob rau hauv muaj pes tsawg leeg, lub buds thiab cov tub ntxhais hluas nplooj ntawm cov nroj tsuag Camellia Sinensis, uas muaj ib tug me ntsis Sweet saj, yog muaj. Qhov no nroj tsuag tau cultivated rau ntau xyoo nyob rau hauv ib ncig ntawm Tuam Tshoj thiab India. Muaj coob tus antioxidants nyob rau hauv cov muaj pes tsawg leeg ntawm dawb tshuaj yej yog vim nws cov kev kho mob tsawg heev thermal. Tom qab tag nrho, no hom kev kho mob contributes rau poob ntawm qhov tseem ceeb tshaj plaws tshuaj nyob rau hauv tshuaj yej - catechin. Qhov siab tshaj plaws nplooj ntawm Camellia Sinensis yog siv nyob rau hauv qhuav ntawm dub thiab ntsuab tshuaj yej ntau yam.
Dawb tshuaj yej cov tshuaj yej: caffeine thiab catechins
Cov lus pom zoo thiab kev qhia txog kev siv cov tshuaj yej dawb hauv kev sib ntaus cov nyhav yog raws li qhov tseeb tias nws muaj ib qho me me ntawm cafein (piv rau ntsuab, dub los sis liab dej qab zib), thiab vice versa, coob tus polyphenol catechins uas pab hlawv muaj roj, ua rau muaj txheej txheem thermogenesis. Nws yog cov khoom ntawm cov tshuaj yej dawb uas tso cai rau cov sau phau ntawv ntawm "International Journal of Obesity" los haus cov dej no ua ib qho tseem ceeb hauv txoj kev poob phaus.
Yog tias koj ntseeg tias cov ntaub ntawv ntawm phau ntawv "khoom noj khoom haus thiab metabolism", methylxanthine, uas yog ib feem ntawm dawb tshuaj yej, txhawb nqa kev sib cais ntawm cov rog thiab nce lub zog ntawm lub cev. Nrog rau kev hwm polyphenols, lub luag haujlwm tseem ceeb yog ua los ntawm epigallocatechin-3-gallate. Qhov yeeb tshuaj no yuav pab txo kom tsis txhob muaj cov kab mob tshiab tshiab los ntawm kev thaiv kev koom tes ntawm triglycerides. Lwm lo lus, cov khoom siv ua dej ua kom dawb tshuaj yej, txo qhov txheej txheem ntawm tsim thiab deposition ntawm cov stocks, fatting lub cev.
Lub luag hauj lwm ntawm dawb tshuaj yej vdiete
Txuj ci ua raws li kev noj haus yog ib txoj kev kuaj loj heev, uas qee yam tuaj yeem tiv thaiv tau. Nws yog txog kev limiting cov zaub mov thiab yuav ua li cas kom koj qab los noj. Qhov txiaj ntsig - tag nrho cov zaub mov yuav mus rau "tsis tau." Ib khob dej dawb thaum lub sij hawm txhua pluas noj yuav pab txo kev nqhis thiab kev tshaib kev nqhis, txo kev ntshaw khoom qab zib, thiab pab saib xyuas qhov loj ntawm cov khoom noj khoom haus. Nyob rau hauv parallel nrog dawb tshuaj yej, nws yog pom zoo kom siv spices thiab seasonings, qhov kev txiav txim ntawm uas yog qhia mus rau tying nrog ntau tshaj qhov ceeb thawj.
Ib tug neeg pabcuam uas loj hlob zoo
Nyob rau hauv 2009, "American Journal of Clinical Nutrition" luam tawm ib tsab xov xwm uas tau pab cov txiaj ntsim zoo ntawm kev sim siv tshuaj yej dawb. Tus neeg sau tsab xov xwm, American tus kws kho mob KevinMaki, tau sib cav tias nws muaj kev sib raug zoo ntawm qhov concentration of catechins thiab txheej txheem ntawm qhov poob phaus.
Cov kev sim ua rau cov txiv neej uas noj qis tsawg calorie haus ntsuab thiab dej tshuaj yej. Thaum kawg ntawm kaum lub lis piam, nws muab tawm tias ib pawg txiv neej uas haus ntsuab tshuaj yej poob ob tug ntxiv phaus ntau tshaj li lwm txoj kev. Cov ntsiab lus ntawm catechins nyob rau hauv ntsuab tshuaj yej yog 660 mg, thiab nyob rau hauv dub - 22 mg. Qhov hnyav nruab nrab ntawm qhov hnyav tau 0.25 kg.
Dawb tshuaj yej thiab nws cov khoom siv tau
Catechins muaj nyob rau hauv tshuaj yej, txhawb lub strengthening ntawm kev tiv thaiv, cuam tshuam nrog mutations thiab kev laus kev. Ib ntawm cov kws tshwj xeeb ntawm Oncology lub koom haum, nyob hauv Washington, DC, Demeter Whitmorch nyeem tias dawb tshuaj yej polyphenols txo cov roj cholesterol, dilute cov ntshav thiab tiv thaiv kom tsis pub cov txiv neej los ntawm kev qog nqaij hlav cancer prostate.
Xyoo 2004, Manhattan University cov neeg ua haujlwm tau ua ib nqe lus hais tias dawb tshuaj yej muaj tshuaj tua kab mob thiab tua kab mob.
Yuav ua li cas brew dawb tshuaj yej kom raug
Tus txheej txheem ntawm brewing dawb tshuaj yej yuav tsum tau tshwj xeeb cov cai. Ib ntawm lawv yog nthuav tawm mus rau qhov kub ntawm cov dej, uas yog ntim nrog vuam. Nws yuav tsum tsis pub dhau 800 C. Yog tias nws tsis muaj peev xwm los ntsuas qhov ntsuas kub nrog tus pas ntsuas kub, ces tom qab lub hau yuav tsum tau txias kom txias, thiab qhov no yog li 5-10 feeb.
Kev nyab xeeb ua ntej
Cov poj niam uas cev xeeb tub yuav tsum ceev faj hauv kev noj mov. Dawb whiskey yog ib qho ntawm cov dej qab zib tshaj plaws rau lawv, txij li tus lej caffeine rau cov poj niam cev xeeb tub tsis pub ntau tshaj 100 mg ib hnub twg. Qhov kev saws caffeine nyob rau hauv loj koob, raws li cov ntaub ntawv kho mob British, contributes rau ib tug tseem ceeb hnyav hauv tus menyuam mos.
Cov dej qab zib muaj teeb meem rau cov neeg muaj kev puas siab ntsws, thiab kev mob ntawm cov kab mob hauv lub raum Lub txiaj ntsim ntawm caffeine qhia tau tias yog xeev siab, muaj kev ntxhov siab, tsis pom kev, mob taub hau thiab plawv teeb meem Dawb tshuaj yej muaj tsawg tsawg ntawm cov tshuaj phem no.
Nws tsis pom zoo kom muab cov tshuaj yej dawb tov nrog lwm cov dej qab zib thiab yuav poob nws cov khoom qab yau thiab aroma. Tsis tas li ntawd, nws yuav poob ib tug xov tooj ntawm nws cov khoom siv tseem ceeb. Nws yuav tsum tau muab teev tias tshuaj yej, uas yog muag hauv yas hwj, tau poob 90% ntawm nws cov catechins thiab tsis yog ib qho tseem ceeb thiab pom zoo haus dej.