Hops contain many substances, such as resins, essential oils, polyphenols, proteins and inorganic salts of amino acids. The most important components of hops in beer brewing are hop resins, hop oils and polyphenols, which give beer its characteristic bitterness, aroma and stability. Hops generally u

level of beerThe first level: love to drinkWhen encountering unfamiliar or novel beer, no matter what style, I like to have a drink and drink it wherever I go.The second level: evaluationWhen you drink beer again, the beer will be classified into categories, Lager or Ale, American, German or Belgian