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hemp
Hemp (from Old English ''hænep'') is a commonly used term for high-growing varieties of the ''Cannabis'' plant and its products, which include fiber, oil, and seed. Hemp is refined into products such as hemp seed foods, hemp oil, wax, resin, rope, cloth, pulp, paper, and fuel.
Other variants of the herb ''Cannabis'' are widely used as a drug, commonly known as marijuana. These variants are typically low-growing and have higher content of tetrahydrocannabinol (THC), cannabidiol (CBD), and other cannabinoids. The legality of ''Cannabis'' varies widely from country to country, and from state to state in the United States. In many countries regulatory limits for concentrations of psychoactive drug compounds, particularly THC, in hemp require the use of strains of the plant which are bred for low content.
==Uses==
Hemp is used for many varieties of products including the manufacture of cordage of varying tensile strength, durable clothing and nutritional products. The ''bast fibers'' can be used in 100% hemp products, but are commonly blended with other organic fibers such as flax, cotton or silk, for apparel and furnishings, most commonly at a 55%/45% hemp/cotton blend. The inner two fibers of hemp are more woody and are more often used in non-woven items and other industrial applications, such as mulch, animal bedding and litter. The oil from the fruits ("seeds") oxidizes (commonly, though inaccurately, called "drying") to become solid on exposure to air, similar to linseed oil, and is sometimes used in the manufacture of oil-based paints, in creams as a moisturizing agent, for cooking, and in plastics. Hemp seeds have been used in bird feed mix as well.〔(【引用サイトリンク】 title=Erowid Cannabis Vault : Culture #2 )〕 A survey in 2003 showed that more than 95% of hemp seed sold in the EU was used in animal and bird feed.〔(【引用サイトリンク】title=Michael Karus: European Hemp Industry 2002 Cultivation, Processing and Product Lines. Journal of Industrial Hemp Volume 9 Issue 2 2004, Taylor & Francis, London )〕
In modern times hemp is used for industrial purposes including paper, textiles, clothing, biodegradable plastics, construction (as with Hempcrete and insulation), body products, health food and bio-fuel.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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