The hop Plant (Humunus lupulus L.) is a dioecious twining Perennial. The inflorescences are used in the breweries to give beer its characteristics such as flavor and aroma and also as herbs. This paper aimed at arescenting the fresh hop, research on the extraction, concentration and preservation methods of Lupulin. The main results as follows:
Through taking fresh hop as raw material andα-acid,β-acid, totle anthoxanthin and xanthohumol as the index, adopting open-air drying in the sun, open-air drying, ...