Madzi Ambiri Amagwiritsidwa Ntchito Pofuna Mafuta Otchuka
Ngati munapitiliza kudutsa mu Germany mu May, mwina mwawona malo akuluakulu a zomera zachikasu pamtunda wa Autobahn. Minda imeneyi imapulumukira, mbeu yofunikira ku Germany ndi mayiko ena ambiri omwe amagwiritsa ntchito mbewu za kuphika mafuta, biodiesel, ndi zinthu zina monga mafuta monga masamba ndi sopo.
Mbiri mu Dziko
Pa mafuta onse a masamba omwe amagwiritsidwa ntchito kuti anthu azidya komanso m'makampani, amapezekanso ndi atatu mwa atatu.
Zimatengera mafuta a kanjedza ndi mafuta a soya monga mafuta atatu otchuka kwambiri padziko lapansi. Mafuta odzola kwambiri amadziwika kuti mafuta a canola.
Ndizofala kwambiri ku Germany, komabe mlimi wamkulu kwambiri padziko lonse ndi Canada. Ndipotu, mawu oti "canola" ndi portmanteau, kapena kuti mawu akuti "Canada" ndi "mafuta."
Kodi Rapseed Ndi Chiyani?
Ngakhale kuti dzina lake likuwomba, mafuta a rapese amachokera ku mbewu za chogwirira, dzina la sayansi Brassica napus. Mawu oti "kugwiriridwa" amachokera ku liwu lachilatini la mpiru, rapum. Kubwezeretsa kumagwirizana ndi mpiru, turnips, ndi zina za kabichi.
Mbiri
Kubwezeretsa kwakhala kwalimidwa ndi kugwiritsidwa ntchito ndi anthu kwa zaka masauzande ku India komanso kuyambira zaka za m'ma Middle Ages ku Ulaya, makamaka mafuta a lamtundu, kupanga sopo komanso kenako injini zamakina. Iyo idadyedwa nthawi ya njala. Ndipo, panthawi ya nkhondo yoyamba ya padziko lonse ndi nkhondo yachiŵiri yapadziko lonse, dziko la Germany linapanga margarine.
Mpaka 1974, mafuta opukutira mafuta ankagwiritsidwa ntchito pang'ono pochita malonda, ena onsewa amagwiritsidwa ntchito m'mafakitale ndi makampani.
Kupyolera mwa mapulogalamu osamalidwa bwino m'mayunivesites a German, chowawa chowawa, mankhwala owopsa, ericic asidi, adachepetsedwa kufika pamtunda umene unali wotetezeka kuti anthu azidya m'nyengo yozizira.
Patapita nthawi, ku Canada, kubwezeredwa kwa chilimwe kunapezeka ndi ma asidi ochepa ndipo kufufuza kwina kunasankha zomera ndi otsika kwambiri a glucosinolates.
"Canola" imayimira "Candian o il, l ow cid" koma tsopano amagwiritsidwa ntchito mobwerezabwereza kutanthawuza mafuta odyetsedwa a Canada. "Rapeseed 00" ndilo mawu oti apangidwe zakudya zodyedwa. Kuyambira m'chaka cha 1975, kupangidwa kwa rapese (kuphatikizapo canola) padziko lonse kwawonjezeka kasanu ndi kamodzi.
Mafuta Odyera
Mafuta a canola ali ndi omega-6 ndi omega-3 fatty acids ndipo ali ndi mafuta ambiri. Amaonedwa kuti ndi mafuta abwino ophika ndi anthu ambiri. Kubwezeretsa "kumadziwika kuti ndi kotetezeka" ndi United States Chakudya ndi Drug Administration. Ndi madzi kutentha, kusalowerera ndale, ndipo angagwiritsidwe ntchito kuphika pa kutentha kwapakati ndi kuzizira monga kuvala kapena marinade.
Ndi mungu wochokera ku uchi ndipo uchi umasakanizidwa ndi mitundu ina kapena kugulitsidwa ngati galasi.
Ntchito Zina Masiku Ano
Kubwezeretsa lero kumagwiritsidwa ntchito kupanga biodiesel, margarine, chakudya cha nyama, ndi bioplastics. Mafuta odzola ndi mafuta omwe amawakonda kwambiri ku biodiesel ambiri ku Ulaya, omwe amadya pafupifupi 80 peresenti ya chakudya, makamaka chifukwa chowombera amapanga mafuta ochulukirapo pamtunda poyerekezera ndi mafuta ena monga soya, koma makamaka chifukwa cha mafuta a canola ali ndi malo ochepa kwambiri a gelsi (kutsika kozizira kozizira) kuposa mafuta ena ambiri a masamba.