Humulus lupulus
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Scan day: 05 March 2014 UTC
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Description: Information on the hop, its uses, chemistry, description, ecology, cultivation and harvesting.
Source: James A. Duke. 1983. Handbook of Energy Crops. unpublished. In 1976, ca 100,000,000 kg of hops were grown, solely for the brewing industry (Bradford, 1979). Bitter substance obtained from glandular hairs of strobilus used by brewers for giving aroma and flavor to beer. Originally used for their preservative value, the hops were only later noted to impart a flavor to beer. There is one german patent for adding hops to sausages as a "natural" preservative. Substance prevents gram-negative bacteria from growing in the beer or wort. Amount of essential oil varies from 0.2–0.5%. Oil of Hops also used in perfumes, cereal beverages, mineral waters, and tobacco. Stems are source of fiber like soybean stalks, cotton stalks, flax shives and similar agricultural residues and have, been suggested for pulp or biomass production. Fiber has relatively high lignin and low pentosan content, with a cellulose content lower than any of them. Sometimes used for filler material in corrugated paper or board products, but unsuited for corrugated paper because of low pulp yield and high chemical requirement or for production of high-grade pulp for speciality paper. Young bleached tops used as a vegetable, especially in Belgium. Romans ate the young shoots like asparagus. Chopped very fine and dressed with butter or cream "the young shoots are excellent" (Fernald et al., 1958). Alcoholic extracts of hops in various dosage forms have been used clinically in treating numerous forms of leprosy, pulmonary tuberculosis, and acute bacterial dysentery, with varying degrees of success in China. Hops extracts are said to have various biological activities (antimicrobial activities due to the bitter acids, especially lupulone and humulone), strong spasmolytic effects on isolated smooth muscle preparations; hypnotic and sedative effects (disputed by one report); estrogenic properties were not observed in a more recent study; and allergenic activity on humans, causing contact dermatitis due to the pollen. Extracts
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WEBSITE Info
| Page title: | Humulus lupulus |
| Keywords: | |
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| IP-address: | 128.210.161.215 |
WHOIS Info
| NS | Name Servers: NS.PURDUE.EDU 128.210.11.5 NS1.RICE.EDU |
| WHOIS | |
| Date | activated: 24-Apr-1985 last updated: 11-Nov-2010 expires: 31-Jul-2014 |