Taub dag yog ib yam khoom tshwj xeeb, tsim nyog rau tus me nyuam thiab noj zaub mov noj, lub khw muag khoom ntawm cov as-ham, cov vitamins thiab microelements. Nyob rau hauv peb cov latitudes, peb hom taub dag yog cov cog: cov tawv muag nyuaj, nutmeg thiab loj-fruited. Lawv sib txawv raws li qhov saj ntawm lub pulp, qhov loj ntawm lub txiv hmab txiv ntoo thiab lub softness ntawm daim tawv nqaij.
Qeb Dej qab zib
Thaum lub caij nplooj ntoos hlav hnub melts txias snow, birches pib nyuaj ntawm hibernation. Los ntawm lub trunks rau o buds thiab ceg me me nyhav birch SAP los, raws li nws yog tseem hu ua, - kua ntoo. Nws muaj ib tug loj npaum li cas minerals, cov vitamins thiab acids, uas yog tsim nyog rau txoj kev loj hlob thiab flowering ntawm birch.