Gị biya dị ilu, ma ọ dị ilu?
Units International Bitterness Units (IBU) bụ nhazi ọkọlọtọ nke enwere obi ilu na biya, àgwà na-enye site na mgbakwunye nke hops n'oge usoro nhazi ya. Ntụle ọkọlọtọ a nke ịdị ilu bụ ọrụ nke concentrate acid acid na ụfụ nke hops (lee ndepụta nke hops na mkpụrụ acid acne ebe a) na oge nchịkọta nke biya mgbe nnukwu oge obụpde, nke ka ọ bụ IBUs biya .
Nke a bụ otu ihe dị mkpa iji chọpụta otú eziokwu si otu ụdị biya bụ, ma ọ dabara n'ime ihe ndị a tụrụ anya ya, ma ọ bụ dị ka ihe ụfọdụ ma ọ bụ biya ma ọ bụ na-adaba n'ime nkọwa nke onye nkịta. Nchoputa nke IBU anaghị anọchite anya akụkụ-kwa-nde nke acid acid iso-alpha n'ime ihe ngwọta biya ma ọ bụ ezie na e mepụtara ụdị ahụ iji gosipụta mmekọrịta dị n'etiti ịchọta obi ilu na biya na ịta nke ogige ndị dị n'ime ya.
Usoro maka ịgbakọ IBU bụ:
W h × AA% × U aa / V w
ebe:
- W h na- anọchi anya oke nke hops
- AA%: pasent nke acid acids nọ na hops
- U aa : ngwusi ngwugwu, ma ọ bụ pasent nke acids alpha na-eji n'oge brewing
- V w : oke wort, ma ọ bụ biya tupu gbaa ụka
Ọnụ ọgụgụ nke mkpụrụedemede alpha na hops na-amụba site n'iji ya eme ihe (a ga-eji ọtụtụ mkpụrụ akwụkwọ acids mee ihe n'oge a na-emepụta) na nkewa dị oke ọnụ.
Ụzọ kachasị mfe ị ga-esi kwuo nke a dabeere na ihe atọ: nke mbụ, ọ dị njọ na hops bụ, nke abụọ, ole hops dị, a ga-ejikwa ya, n'ikpeazụ, ole biya biya ga-abanye.
Ihe Ekere anọ
Nri nile bu, nke kachasi, ihe ndi ozo abuo: anu ohia, hops, yist, na mmiri, nke obula n'eme ka ha di iche iche.
Ọ bụ ezie na ndị na-aṅụ akwụkwọ hoppier dị ka India na-egbuke egbuke ma na- asụ ilu Bekee dịkarịsịrị njọ karịa ụdị mkpụrụ osisi ndị ọzọ dị ka German Kölsch , ihe ọṅụṅụ ọ bụla na-erite site na mgbakwunye nke hops dị iche iche ikike.
Azu nke International Units Units malitere na 1950 na 60s n'oge oge ọtụtụ brewers ji unrefrigerated hops. Site na oge hops ji mee ihe, ị ga-enwe ike ịṅụrị ọṅụ. Na mgbakwunye na nke a, dị ka afọ na-eto eto, ha na-amalite oxidize, ọ bụkwa nke a na-egbu egbu na ngwaahịa ndị ọzọ na-agbanwe agbanwe bụ ndị na-amalite inye ụtụ maka obi ilu nke biya biya. Ná mmalite, a na-etinye ihe na-akpata 5/7 na nyocha nke IBU dị ka usoro nke na-atụle ihe ngwaahịa ahụ sitere na resin resin na biya, ọ bụ ezie na atụmatụ a ejighị eziokwu.
Azụ ụlọ na IBUs
- American Lager: 5-15 IBUs
- American Light Lager: 8-17 IBUs
- Mmiri Barley: 50-100 IBUs
- Belgian Dubbel: 10-25 IBUs
- Belgian Tripel: 14-25 IBUs
- Ụda, Special Extra: 30-40 IBUs
- Ụkwụ, Ihe Nkịtị: 20-35
- Bock: 20-30 IBUs
- Brown Ale: 15-60 IBUs
- Dunkel Lager: 16-25 IBUs
- Njikwa nke Imperial: 50-80 IBUs
- India Ogbugba ndi ozo: 40-80 IBUs
- Irish Stout: 25-60 IBUs
- Lambic: 11-23
- Akara ugbo (American): 20-55 IBUs
- Na-adịghị anya, English: 20-45 IBUs
- Pilsner (German ma ọ bụ Czech): 30-45 IBUs
- Utu: 20-60
- Rauchbier: 20-25 IBUs
- Oge: 20-30 IBUs
- Scotch Strong Ale: 25-35 IBUs
- Weizen: 13-17 IBUs