The hop extract is prepared by extracting the female inflorescence of the hops of the Morus family. With anti-tumor, anti-oxidation, antibacterial, elimination of free radicals in the body, it can be used as a food additive to prevent food spoilage, and can be used as an antioxidant in medicine, cosmetics, health food and food. Therefore, hops have great prospects for development and utilization.
Hops are dioecious, perennial fibrous twine herbaceous plants that can grow in many regions of the world, and are mainly distributed in the United States, Europe, Australia, South America and China. Hops can give beer a special bitterness and unique flavor, and have certain antiseptic properties. It is known as the "soul of beer". Since hops were added to beer brewing in the 12th century, its main use is still to date. For beer brewing, hops have an irreplaceable role in beer brewing:
1. Make the beer have refreshing aroma, bitterness and antiseptic ability. The aroma of hops and the fragrance of malt give the beer a subtle flavor. Beer, coffee and tea all win with aroma and bitterness, which is the charm of these drinks. Because hops have natural preservative power, beer does not need to add toxic preservatives.
2. Form excellent beer foam. Beer foam is a complex of isohumulone in hops and foaming protein from malt. Excellent hops and malt can produce white, delicate, rich and long-lasting beer foam.
3. Conducive to the clarification of wort. In the process of wort boiling, due to the addition of hops, the protein in the wort can be complexed and precipitated, thereby clarifying the wort and brewing pure beer.