Ubhiya bakho bubaba, kodwa buhlungu kanjani?
Izinkanuko Zomhlaba Wonke (IBU) yisilinganiso esilinganiselwe sokufutheka okubonakalayo ebhiya, ikhwalithi ehlinzekwa ngokufaka ama-hops phakathi nenqubo yayo yokuphuza. Lesi silinganiso esilinganiselwe sokufutheka ngumsebenzi we-alpha acid concentration egxotsheni lwezinhlanzi (bheka uhlu lwezinhlayi kanye nokuqukethwe kwe-alpha acid lapha) kanye nesikhathi esiphelele sokubilisa sebhiya lapho isikhathi esikhulu sebilisa khona, i-IBUs enkulu yobhiya .
Lokhu kuyisici esibalulekile ekunqumeni ukuthi kuyiqiniso kanjani isitayela esithile ubhiya, kungakhathaliseki ukuthi kufanelana ngaphakathi kokulindeleke komkhiqizo, noma njengesilinganiso sokuthi ubhiya ungena ngaphansi kwezincazelo ze-brewer. Ukulinganisa kwe-IBU akusho izingxenye-ngezigidi ze-iso-alpha acids kwisisombululo sebheya nakuba isilinganiso senzelwe ukufanekisa ukuhlanganiswa phakathi kokucasuka okubonakalayo kubhiya nokuhlanganiswa kokuhlanganiswa kwamakhemikhali kuwo.
Ifomula yokubala i-IBUs:
W h × AA% × U aa / V w
lapho:
- W h ubonisa isisindo se-hops
- I-AA%: iphesenti yama-acids e-alpha ekhona emahlathini
- U aa : ukusetshenziswa kwe-hop, noma amaphesenti ama-acidi e-alpha asetshenziswa ngesikhathi sokuphuza
- V w : ivolumu ye-wort, noma ubhiya ngaphambi kokuvutshelwa
Inani lama-acids e-alpha ku-hops landa ngokusetshenziswa (isilinganiso sokuthi ingakanani yama-acids e-altare empeleni azosetshenziswa ngesikhathi sokuphuza) ehlukaniswe ukuthi kunamaphi ama-wort akhona.
Indlela elula yokusho lokhu kuxhomeke ezintweni ezintathu: okokuqala, ukuthi amahlombe amabi kangakanani, okwesibini, ukuthi amathanga angakanani futhi angasetshenziswa, futhi ekugcineni, kungakanani ubhiya obuzobe bungena khona.
Izithako ezine
Yonke ubhiya iqukethe, okungenani, izithako ezine: okusanhlamvu, ama-hops, imvubelo namanzi, okunye okwenza ngokungafani nobunikazi bebhiya.
Nakuba izinyosi ze-hoppier ezinjenge- India ezihlambalaza zesi- ales nesiNgisi zivame ukwedlula ukwedlula ezinye izitayela ezinomsoco nezomusa ezifana neJalimane Kölsch , zonke izinyosi zizuza ngokufaka ama-hops ngamakhono ahlukahlukene.
Ukulinganisa kwama-International Units Angterness kwakhiwa kuma-1950s nakwa-60s ngesikhathi lapho abakwa-brewers abaningi basebenzisa khona ama-hops angenasipili. Ngesikhathi sezintambo besetshenziselwa ukuphuza, kungenzeka ukuthi kukhona okungahle kwenzeke ekutheni kube nokulahleka. Ngaphezu kwalokhu, njengezinhlanzi yobudala, baqala ukukhipha oxidize, futhi yilokhu okwenziwe nge-oxydation kanye neminye imikhiqizo yokuguqulwa eqala ukufaka isandla ekubhekeleni ubhiya obumphumela. Ekuqaleni, isici se-5/7 sisetshenzisiwe ekubalweni kwe-IBU njengendlela yokusondeza ukulinganisa okuqukethwe komkhiqizo osuselwa ku-hop resin ku-ubhiya, nakuba lokhu kulinganiselwa akuzange kubambelele.
Izitayela zeBhiya nama-IBU
- I-American Lager: 5-15 IBUs
- I-American Light Lager: 8-17 IBUs
- Iwayini le-Barley: 50-100 ama-IBU
- I-Dubbog Dubbel: 10-25 IBUs
- Uhambo lwaseBelgium: 14-25 ama-IBU
- Okubi, Okukhethekile Okukhethekile: 30-40 IBUs
- Okubi, okujwayelekile: 20-35 IBUs
- I-Bock: 20-30 IBUs
- I-Brown ye-Brown: ama-IBU angu-15-60
- I-Dunkel Ibhange: 16-25 IBUs
- I-Imperial Stout: ama-IBU angu-50-80
- I-India Pale Ale: IBUs 40-80
- I-Stout yase-Ireland: ama-IBU angu-25-60
- I-Lambic: 11-23 IBUs
- I-Pale Ale (yaseMelika): 20-55 IBUs
- I-Pale Ale, isiNgisi: 20-45 IBUs
- I-Pilsner (isiJalimane noma iCzech): 30-45 ama-IBU
- I-Porter: ama-IBU angu-20-60
- I-Rauchbier: ama-20-25 ama-IBU
- I-Saison: 20-30 IBUs
- I-Scotch Strong Ale: 25-35 IBUs
- I-Weizen: 13-17 IBUs