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论坛：江湖兵器作者：short1发表时间：2010-06-12 03:10

Austin (1988) postulated that the centre of origin of I. batatas was between the Yucatán Peninsula of Mexico and the mouth of the Orinoco River in Venezuela. The 'cultigen' had most likely been spread by local people to the Caribbean and South America by 2500 BC. Zhang et al. (1998) provided strong supporting evidence that the geographical zone postulated by Austin is the primary centre of diversity. The much lower molecular diversity found in Peru–Ecuador suggests that this region be considered as secondary centre of sweet potato diversity.

Chili peppers have been a part of the human diet in the Americas since at least 7500 BC. There is archaeological evidence at sites located in southwestern Ecuador that chili peppers were domesticated more than 6000 years ago,^[2]^[3] and is one of the first cultivated crops in the Americas that is self-pollinating.

Chili peppers were domesticated at least in different parts of South and Central America.^[4]

Christopher Columbus was one of the first Europeans to encounter them (in the Caribbean), and called them "peppers" because of their similarity in taste with the Old World black peppers of the Piper genus.

Chilies were cultivated around the globe after Columbus.^[5]^[6] Diego Álvarez Chanca, a physician on Columbus' second voyage to the West Indies in 1493, brought the first chili peppers to Spain, and first wrote about their medicinal effects in 1494.

From Mexico, at the time the Spanish colony that controlled commerce with Asia, chili peppers spread rapidly into the Philippines and then to India, China, Korea and Japan. They were incorporated into the local cuisines.