Phakathi kweYunyuniziphuzo ezenziwe ngezandla, ukunambitheka kwenkomishi yeikhofikuncike ikakhulukazi ekwazisweni komdidiyeli wotshwala.Kukhona okuguquguqukayo okuningi kakhulu okuthinta ikhwalithi yekhofi, futhi njengabathengi, singanquma kuphela ukuthi ikhofi libanda isikhathi esingakanani nokuthi isikhathi esingakanani ngaphambi kokuliphuza.Uma uzenzela ikhofi lakho ekhaya, ngisho noma unawo wonke ubhontshisi wekhofi namathuluzi esandleni sakho, kubonakala sengathi awukwazi ukufanisa ikhwalithiisitolo sekhofi.Phela, umuntu angayenza kanjani inkomishi yekhofi ifaniswe nesitolo sekhofi?
Ukuzijwayeza okuningi akuyona inkinga, kodwa umbhali ohlanganyele wencwadi ethi “Water for Coffee: Imanuwali Yezindaba Zesayensi” kanye noprofesa ohlanganyele naye wezinto ezisetshenziswayo zokubala kanye namakhemikhali eNyuvesi yase-Oregon, uChristopher Hendon, ukholelwa ukuthi abalungiselelayo kumele nabo bazi kahle. izimiso zamakhemikhali kanye ne-physics ngesikhathi esifanayo.Izinto eziguquguqukayo ezifana nezinga lokushisa lamanzi, ikhwalithi yamanzi, ukusatshalaliswa kwezinhlayiyana, isilinganiso samanzi nempushana, nesikhathi esisetshenzisiwe kuzothinta ukunambitheka kokugcina kwenkomishi.Ukuze wenze ikhofi elihle, kufanele ufunde ukulawula lezi zinguquko.
Ngokuvamile, ukuminyana kwezithako (ama-asidi ephilayo, ama-asidi angaphili, ama-heterocyclic compounds, imikhiqizo yokusabela i-Mena, njll.) yekhofi esijwayele ukulenza.ukuphuzaihlukaniswe yaba izinhlobo ezimbili: eyodwa iqukethe 1.2 - 1.5%, njengekhofi yokudonsa, kanti enye iphakeme njengo-8 - 10%., Njenge-espresso.Ikhofi yaseTurkey njengokubhoboza ngesandla, umshini wokunyathelisa waseFrance, ukuphonswa komshini, ukuvuza komshini, noma ikhofi yaseTurkey eshiswe ngokuqondile ngamanzi omsele we-coffee powder ingafinyelela ukuminyana kuka-1.2 - 1.5%;kuyilapho ikhofi elinamandla njengo-8 – 10% lisebenzisa umshini wekhofi.Ubuningi bezithako zekhofi abunakuhlukaniswa kakhulu nemvelaphi yayo, kodwa izici ezilandelayo zibalulekile.
1. Izinga lokushisa nesivinini
Kuyabonakala kulokhu okungenhla ukuthi izindlela zokuphisa ikhofi eziphansi zihlukaniswe zibe izigaba ezimbili: ukukhuphuka nokuconsa.Ngokombono wenyama, umehluko omkhulu ukuthi ubhontshisi bekhofi banezinga lokushisa eliphakeme kunokuconsa lapho becwile.Eqinisweni, inqubo echitha isikhathi esiningi yokukhishwa kwekhofi ayikona ukuncibilikisa i-caffeine ebusweni bezinhlayiya, kodwa ukulinda ukunambitheka kwekhofi kudlule kuzo zonke izinhlayiya futhi kufinyelele lapho kuhlangana khona amanzi nekhofi.Ubude besikhathi esisetshenzisiwe buyahlukahluka kuye ngezinga lokushisa lamanzi.Ukushisa okuphezulu kwezinhlayiya zebhontshisi yekhofi, ama-compounds amnandi kakhulu kuwo angakhishwa.Kodwa-ke, uma izinga lokushisa liphezulu kakhulu, lizoncibilikisa izinhlanganisela ezingafuneki ngaphezulu emanzini futhi lithinte ukunambitheka.
Ngakolunye uhlangothi, ukugeza izandla nezinye izindlela zokuconsa kuthatha isikhathi ukuze amanzi ageleze kubhontshisi wekhofi.Isikhathi sokuphuza sincike ekushiseni kwamanzi kanye nobukhulu bebhontshisi yekhofi, ngakho-ke ukubala kuyinkimbinkimbi.
2. Isilinganiso sikabhontshisi wekhofi namanzi
Uma usebenzisa indlela yokuconsa, izinhlayiya zikabhontshisi wekhofi ocolekileyo kakhulu zizokwandisa isikhathi sokulungiselela kanye nevolumu yokukhishwa.Umdidiyeli wotshwala angakhuphula isilinganiso samanzi kubhontshisi wekhofi ngokunciphisa inani likabhontshisi wekhofi, kodwa ngesikhathi esifanayo futhi kuzonciphisa isikhathi sokwenza utshwala ngokufanele.Ngakho-ke, ukuconsa kuyinkinga kakhulu kunokucwiliswa emanzini, futhi ungenza inkomishi yekhofi enhle ngokwazi konke.
3. Izinga lamanzi
Ngisho noma lezi zimiso ezimbili ezingenhla zenziwe kahle, kunzima ukuqinisekisa ukuthi ikhofi elivuthiwe lilungile.UHendon uveze ukuthi kuneminye imininingwane emibili engathinta izinga lekhofi, enye yayo okuyi-pH yamanzi.
Ikhofi yisiphuzo esine-acidic, ngakho-ke i-pH yamanzi okuphisa nayo ibaluleke kakhulu.Ikhofi elenziwe ngamanzi e-HCO₃⁻ (Bicarbonate) ephansi (aziwa nangokuthi amanzi athambile) line-asidi ephezulu;uma ikhofi liphuzwa ngamanzi anokuqukethwe okuphezulu kwe-HCO₃⁻ (okungukuthi amanzi aqinile), lizokwenza i-asidi eqinile nevelele.Ngokufanelekile, kungcono kakhulu ukusebenzisa amanzi anekhemikhali efanelekile yokwenza ikhofi.Kodwa-ke, kunzima ukwazi ukugcwala kwe-HCO₃⁻ emanzini ompompi.U-Hendon uncoma ukuthi uzame amanzi amaminerali e-Evian ngenye yezinto ezihamba phambili zokuqukethwe kwe-HCO₃⁻ (kufika ku-360 mg ilitha) ukuze kuphuzwe ikhofi., Qhathanisa imiphumela yakho kokubili.
4. Ukusatshalaliswa kwezinhlayiya
Noma yimuphi umthandi wekhofi ophezulu uzokutshela ukuthi ama-blade grinders awawona amathuluzi okugaya angcono kakhulu, ngoba ubhontshisi bekhofi abagayayo bawugqinsi oluhlukene, olungelona ukukhishwa.Kungcono ukusebenzisa i-burr grinder, esebenzisa amagiya amabili ahambisanayo ukuze ugaye ubhontshisi wekhofi kancane kancane, futhi umphumela uba ngokulingana.
Bekulokhu kunezingxabano mayelana nogqinsi olufanele.Kuthiwa ubhontshisi bekhofi bucolile bugaywe, bungcono, bukhulise izinhlayiya, futhi bube lula ukukhishwa kwe-flavour yekhofi engcono kakhulu futhi enamandla kakhulu;kuthiwa futhi i-coarser ingcono, ukugwema ukukhipha ngokweqile ukukhulula i-astringency.U-Hendon ukholelwa ukuthi ukushuba kuncike ekuthandeni kwakhe.
Isikhathi sokuthumela: Jul-14-2021