Isithombe: I-Brewer's Yeast Flocculation

Lesi sithombe esinokulungiswa okuphezulu, esigxile ekubukeni kwezwe sinikeza umbono ovusa amadlingozi futhi oheha ngokwesayensi wenqubo yokugeleza kwemvubelo yotshwala, esithathwe ngesikhathi esibucayi sokuvutshelwa. Enkabeni yesithombe, ethatha ingxenye enkulu yangaphambili, kukhona isibhakela sengilazi yaselabhorethri ecacile, emise okwesilinda, egcwele uketshezi oluguqubele, olunsundu ngokusagolide. Umkhumbi ubekwe endaweni emnyama, eyenziwe ngendlela ecashile ehluke kakhulu nokuqukethwe kwebhika, okuthuthukisa ukucaca nokujula kokubonakalayo.

I-beaker iqukethe imvubelo enyakazayo, ebonakala ngokungajwayelekile, amaqoqo afana namafu amiswe oketshezini. Lezi zinhlayiya zemvubelo ziyahlukahluka ngobukhulu kanye nokuminyana, ezinye zibonakala njengeziqoqiwe eziminyene kuyilapho ezinye zibonakala zishintshashintsha—zihlanganisa izigaxa ezinkulu noma zizinze kancane kancane phansi komkhumbi. Ukuthungwa kuyinkimbinkimbi ngokumangazayo: amanye ama-flocs abonakala e-fibrous futhi ethambile, kanti amanye ayi-granular noma ama-filamentous. Lokhu kuhluka kuthwebula ngempumelelo imvelo ehlukahlukene yokuziphatha kwemvubelo ekumisweni futhi kukhombisa ukuhlukahluka kwezici ze-flocculation eziqondene nohlobo oluthile.

Ukukhanyisa ohlangothini olufudumele kudlala indima ebalulekile ekulolongeni umthelela obonakalayo wesithombe. Kusuka ohlangothini lwesokudla lohlaka, lo mthombo wokukhanya oqondisayo usakaza izithunzi ezimangalisayo nokugqamisa okuqabulayo eceleni kwe-curvature ye-beaker, ugcizelela ukubonakala kwayo futhi unikeze ubukhulu ezinhlayiyeni ezimisiwe. Ukukhanya kukhanya oketshezini olunothe imvubelo, kwakheka ama-gradient e-amber, ithusi, ne-ocher ethambile. Lawa mathoni aphakamisa ukuba khona kwenhlanganisela ekhiqizwe yi-malt kanye ne-organic matter, okuyisici sokuvutshelwa kwewort noma ubhiya ekuvubeleni kwakamuva.

Ingxenye engenhla yalolu ketshezi imbozwe ungqimba oluncane lwegwebu—uphawu lomsebenzi wokuvutshelwa okuqhubekayo. Lesi sendlalelo segwebu asilingani futhi simaholoholo kancane, sikhomba kukho kokubili ukukhishwa kwe-carbon dioxide kanye nomsebenzi we-surfactant wamaprotheni nezindonga ze-yeast cell kusixhumi esibonakalayo. Amabhamuza ambalwa asabonakala ebambelele endaweni engaphakathi ye-beaker, eqinisa umuzwa wesenzo se-microbial yesikhathi sangempela.

Ikhamera imiswe nge-engeli ephakeme kancane, ibheke ezansi kubhikhakha ngokwanele ukuze inikeze ukubuka okunengqimba ngokujula koketshezi. Lo mbono ocashile wokuya phansi udala umuzwa oqinile wesakhiwo sezinhlangothi ezintathu, uqondisa ukunaka kombukeli ekumisweni okuyisiphithiphithi, okuthakazelisayo kwe-yeast kanye nezinhlayiyana.

Ngemuva, isilungiselelo sishintshela ekufiphaleni okuthambile. Umbala ongemuva umnyama futhi awuthathi hlangothi, unama-gradients asukela kokunsundu okufudumele ukuya kokumpunga okuyisilayidi. Azikho izimo ezibonakalayo noma izithikamezo—lokhu kujula kwenkambu okulawulwayo kuqinisekisa ukuthi konke ukugxila okubukwayo kuhlala kokuqukethwe okuyinkimbinkimbi kwebhekha, okuqinisa umuzwa wokubhekwa kwelabhorethri kanye nokuzihlola ngokwesayensi. I-bokeh emnene yengeza umoya wokuzindla esithombeni, njengokungathi umbukeli usendaweni enokuthula, elawulwayo enikelwe ocwaningweni lokuvutshelwa noma ukuhlaziya ukwenziwa kotshwala.

Awekho amalebula abonakalayo, izimpawu, noma uphawu—lokhu kuthuthukisa ithoni yesayensi yendawo yonke yesithombe futhi kusigcina sivumelana nezimo ezihlukahlukene: i-microbiology, isayensi yokuphisa utshwala, imfundo yokuvutshelwa, noma ukushicilelwa kwesayensi.

Sekukonke, isithombe sidlulisa umoya welukuluku, ukunemba, noguquko. Kuthatha isikhathi esibalulekile enqubweni yokuphisa lapho imvubelo, isidle ushukela ovutshelwayo, iqala ukuhlangana futhi ixazulule—inqubo ebalulekile yokucacisa ubhiya kanye nokulolongwa ukunambitheka kwawo kokugcina. Isithombe sifinyelela ukulingana okucophelelayo phakathi kobuhle bobuciko nokucaciswa kobuchwepheshe, okusenza silungele ukusetshenziswa ngobungcweti ekukhiqizeni izincwadi, izifundo ze-microbiological, izinto zemfundo, noma imibukiso yesayensi ye-yeast biology nezinhlelo zokuvutshelwa.

Isithombe sihlobene: Ukubilisa Ubhiya nge-Lallemand LalBrew BRY-97 Yeast