Cov lus nug ib txwm tshwm sim hais tias seb lub paj rhubarb puas noj tau thiab tuaj yeem sau tau zoo. Tshawb nrhiav ntawm no yog vim li cas rhubarb lub caij muaj feem cuam tshuam ncaj qha rau paj thiab seb paj rhubarb puas tsim nyog rau kev noj!
Lub sijhawm paj
Lub caij rhubarb feem ntau xaus rau lub Rau Hli 24, raws li lub npe hu ua St. John's tua pib rau lub sijhawm no. Qhov no yog qhov thib ob loj hlob spurt, vim hais tias rhubarb yog tam sim no sib sau ua ke lub zog rau lub caij ntuj no thiab xyoo tom ntej. Txhawm rau txhawb txoj haujlwm no, cov nroj tsuag tau sau sai sai ua ntej. Tsis tas li ntawd, cov nroj tsuag tam sim no tsim lawv cov paj thawj zaug yog tias lawv tau raug cuam tshuam los ntawm kev mob khaub thuas. Raws li txoj cai, flowering pib thaum lub rhubarb raug rau qhov kub ntawm qhov siab tshaj plaws ntawm 10 degrees rau lub sij hawm ntawm 12 mus rau 16 lub lis piam. Thaum lub npe hu ua vernalization tau tshwm sim, rhubarb tsim ib lub paj paj ntawm lub Rau Hli mus txog rau. Qhov no tuaj yeem loj hlob mus txog 40 cm siab thiab muaj txog li 500 paj xim paj yeeb.
Properties of rhubarb paj
Rhubarb tsim nws cov paj kom nyiam cov kab thiab yog li pib nws cov noob. Cov paj rhubarb yog li ntawd suav hais tias yog qhov tseem ceeb heev rau cov kab ntau, vim tias cov paj ntoos nkag tau yooj yim thiab cov kua qab zib qab nyiam cov neeg pab ntuj xws li muv thiab bumblebees. Tab sis nws tsis yog tsuas yog cov tsiaj qus uas nyiam cov inflorescences, raws li peb tib neeg tuaj yeem siv rau ntau txoj hauv kev. Ntawm qhov tod tes, cov paj paj dawb yog qhov zoo tagnrho rau kev kho kom zoo nkauj hauv tsev thiab ntawm qhov tod tes, lawv tuaj yeem siv los ua cov tais diav. Contrary to popular kev ntseeg, flowering rhubarb is safe to eat.
Rhubarb muaj oxalic acid
Ntau tus neeg nyiam nyiam ua vaj teb yuam kev ntseeg tias rhubarb ua tshuaj lom thaum nws paj. Qhov kev xav tsis zoo no feem ntau raug lees paub los ntawm kev nce cov ntsiab lus ntawm oxalic acid. Qhov no tau tsim thaum lub caij cog qoob loo thiab yog li qis tshaj plaws nyob rau lub Tsib Hlis thiab Plaub Hlis thiab siab tshaj plaws txij lub Rau Hli mus txog rau. Txawm hais tias cov ntsiab lus oxsalic acid yog siab tshaj thaum lub sij hawm flowering, cov concentrations feem ntau tsis muaj teeb meem rau kev noj qab haus huv. Txawm li cas los xij, qee qhov ntawm cov nroj tsuag, xws li nplooj thiab cov tawv ntoo ntawm cov stems, muaj cov oxalic acid ntau heev. Yog li ntawd, nws yog ib qho tsim nyog yuav tsum tsis txhob haus cov khoom no ntawm cov nroj tsuag, tab sis kom tshem tawm ncaj qha thaum sau.
Oxalic acid yog tshuaj lom
Oxalic acid yog ib yam khoom uas tsis muaj ntxhiab tsw thiab saj uas nws noj tuaj yeem ua rau muaj kev phiv tsis zoo. Oxalic acid khi calcium hauv lub cev thiab tib lub sijhawm tiv thaiv kev nqus ntawm hlau. Oxalic acid kuj txhawb rheumatism thiab lub raum pob zeb thiab tsis zoo rau pob qij txha. Yog vim li cas cov neeg uas raug kev txom nyem los ntawm gout, rheumatism los yog lub raum pob zeb tshwj xeeb yuav tsum tau tsuas yog haus rhubarb nyob rau hauv me me.
Nws tseem paub tias cov kua qaub tawm tsam cov hniav enamel. Qhov no yog pom tau tias tom qab noj cov zaub los ntawm kev xav tsis zoo ntawm cov hniav, uas feem ntau pom tau tias tsis kaj siab. Txawm li cas los xij, koj cov hniav yuav tsum tsis txhob txhuam tam sim tom qab noj, vim tias "txhuam hniav" tuaj yeem ua rau cov hniav puas lawm. Nws yog qhov zoo dua los tos ib ncig 30 feeb tom qab noj. Cov hniav enamel feem ntau calmed nyob rau lub sijhawm no thiab qhov kev xav tsis zoo twb ploj mus.
Tip:
Rhubarb yuav tsum tsis txhob noj nyoos! Paj rhubarb tshwj xeeb yuav tsum tau siav ua ntej noj vim nws cov ntsiab lus oxalic acid ntxiv.
Tshuaj lom los ntawm rhubarb hardly possible
Raws li cov kws tshawb fawb, cov tshuaj lom ntawm oxalic acid tsuas yog tshwm sim thaum noj ib ncig ntawm 5,000 milligrams ntawm oxalic acid. Txij li thaum 100 grams ntawm rhubarb muaj nyob ib ncig ntawm 150 mus rau 500 milligrams ntawm oxalic acid, tshuaj lom yog yuav luag tsis yooj yim sua. Ib tug neeg laus uas muaj lub cev hnyav li ntawm 60 kilograms yuav tsum tau noj 36 kilograms ntawm rhubarb kom ua rau muaj kev phom sij. Tib yam siv rau cov menyuam yaus: tus menyuam lub cev hnyav li ntawm 20 kilograms, yog li ntawd yuav tsum tau noj 12 kilograms ntawm rhubarb.
Hloov
Rhubarb feem ntau yog sau txij thaum pib lub Plaub Hlis thiab txog rau lub Rau Hli 24th thaum kawg. Yog tias cov zaub tau sau rau hnub tom qab, qhov no feem ntau cuam tshuam rau saj, uas feem ntau tau piav qhia tias "woody". Yog li ntawd nws yog advisable mus sau rhubarb thaum ntxov li sai tau. Koj tuaj yeem qhia seb cov nroj tsuag tau siav los ntawm lawv cov tsos, vim tias cov nroj tsuag uas npaj txhij mus sau tuaj yeem loj hlob ncaj thiab tsis muaj nplooj nplooj. Tsis tas li ntawd, cov ntaub so ntswg nruab nrab ntawm cov tav ntawm rhubarb stalks yog smoothed. Lwm tus yam ntxwv ntawm ripeness yog xim ntawm rhubarb stalks, uas muaj xws li ib tug nplua nuj liab mus rau ib tug tshiab ntsuab. Sai li lub rhubarb muaj cov yam ntxwv no, pib lub teeb liab rau kev sau qoob loo.
Txhawm rau sau cov rhubarb, tuav lub qia ntawm lub hauv paus thiab twist nws tawm clockwise. Nyob rau hauv tsis muaj xwm txheej yuav tsum tau txiav tawm nrog ib tug riam, raws li lub resulting txiav ho nce qhov kev pheej hmoo ntawm rot. Tom qab ntawd cov nplooj thiab cov xim dawb nyob rau hauv qis dua ntawm rhubarb stalk raug tshem tawm. Kev sau paj yog tib yam: cov paj tau tuav ntawm lub hauv paus ntawm qia nrog koj cov ntiv tes thiab tib lub sij hawm twisted tawm clockwise.
Tip:
Yuav kom rhubarb stalks tshiab loj hlob, txhua stalks yuav tsum tsis txhob raug sau. Nws yog qhov zoo dua rau ib txwm tawm ntawm ob feem peb ntawm cov stalks sawv thiab tsuas yog sau cov nroj tsuag hluas txij li xyoo ob mus txog.
Storage
Qhov tseem ceeb tshaj plaws rau khaws cia rhubarb yog: Tsis txhob khaws cia rau hauv cov ntawv txhuas lossis hauv cov thawv txhuas! Cov oxalic acid muaj nyob rau hauv cov nroj tsuag reacts nrog cov txhuas thiab yaj nws. Nws yog qhov zoo dua los qhwv cov rhubarb tshiab uas tau sau rau hauv daim ntaub ntub dej thiab tom qab ntawd muab tso rau hauv lub tub yees. Txawm li cas los xij, rhubarb tsuas muaj lub txee lub neej ntawm ob peb hnub, uas yog vim li cas nws yog qhov zoo tshaj plaws ua tiav los yog khaws cia tam sim ntawd. Kev khov yog tshwj xeeb yog tsim nyog rau khaws cia zaub kom ntev. Txoj kev zoo tshaj los ua qhov no yog tev lub rhubarb thiab txiav nws mus rau hauv me me pieces. Cov rhubarb tuaj yeem muab khaws cia rau hauv lub hnab yas lossis lub thawv yas hauv lub freezer.
Conclusion
Qee qhov chaw ntawm cov nroj tsuag rhubarb raug suav hais tias yog tshuaj lom, tab sis lawv tsis tsim nyog rau noj lawm. Txawm li cas los xij, cov stems thiab paj tuaj yeem khaws tau zoo tom qab Lub Rau Hli 24 thiab tom qab ntawd ua tiav lossis khaws cia.
