Tea plants are native to East Asia, and probably originated around the meeting points of the lands of north Burma and southwest China. Statistical cluster analysis, chromosome number, easy hybridization, and various types of intermediate hybrids and spontaneous polyploids indicate that likely a single place of origin exists for Camellia sinensis, an area including the northern part of Burma, and Yunnan and Sichuan provinces of China. Tea drinking may have begun in the Yunnan region during the Shang Dynasty in China, when it was used for medicinal purposes. It is also believed that in Sichuan, "people began to boil tea leaves for consumption into a concentrated liquid without the addition of other leaves or herbs, thereby using tea as a bitter yet stimulating drink, rather than as a medicinal concoction.
Chinese legends attribute the invention of tea to Shennong in 2737 BC, although evidence suggests that tea drinking may have been introduced from the southwest of China (Sichuan/Yunnan area). The earliest written records of tea come from China. In 2016, the discovery of the earliest known physical evidence of tea from the mausoleum of Emperor Jing of Han in Xi'an was reported, indicating that tea from the genus Camellia was drunk by Han Dynasty emperors as early as 2nd century BC.The word tu 荼appears in the Shijing and other ancient texts to signify a kind of "bitter vegetable" (苦菜), and it is possible that it referred to a number of different plants such as sowthistle, chicory, or smartweed, as well as tea. In the Chronicles of Huayang, it was recorded that the Ba people in Sichuan presented tu to the Zhou king. The state of Ba and its neighbour Shu were later conquered by the Qin, and according to the 17th century scholar Gu Yanwu who wrote in Ri Zhi Lu (日知錄): "It was after the Qin had taken Shu that they learned how to drink tea." The Han dynasty work "The Contract for a Youth", written by Wang Bao in 59 BC, contains the first known reference to boiling tea. Among the tasks listed to be undertaken by the youth, the contract states that "he shall boil tea and fill the utensils" and "he shall buy tea at Wuyang". The first record of tea cultivation is also dated to this period (the reign of Emperor Xuan of Han), during which tea was cultivated on Meng Mountain (蒙山) near Chengdu.
An early credible record of tea drinking dates to the third century AD, in a medical text by Hua Tuo, who stated, to drink bitter tu constantly makes one think better. Another possible early reference to tea is found in a letter written by the Qin Dynasty general Liu Kun. However, before the mid-8th century Tang dynasty, tea-drinking was primarily a southern Chinese practice. It became widely popular during the Tang Dynasty, when it was spread to Korea, Japan, and Vietnam. In India, tea has been drunk for medicinal purposes for a long but uncertain period, but apart from the Himalayan region it seems not to have been used as a beverage until the British introduced tea-drinking there much later.
ชาพืชมีถิ่นกำเนิดในเอเชียตะวันออก และอาจเกิดรอบจุดประชุมของดินแดนของพม่าเหนือและจีนตะวันตกเฉียงใต้ คลัสเตอร์สถิติวิเคราะห์ จำนวนโครโมโซม hybridization ง่าย และประเภทต่าง ๆ ของลูกผสมกลางและธรรมชาติ polyploids บ่งชี้ว่า มีแนวโน้มเดียวมาอยู่สำหรับชา พื้นที่รวมถึงภาคเหนือของประเทศ พม่า และยูนนาน และเสฉวนจังหวัดของจีน ดื่มชาอาจได้เริ่มในเขตมณฑลยูนนานระหว่างราชวงศ์ซางในประเทศจีน เมื่อมันถูกใช้เพื่อการรักษาโรค นอกจากนี้ยังเชื่อกันว่า ในเสฉวน "คนเริ่มต้มใบชาสำหรับปริมาณการใช้ลงในของเหลวที่เข้มข้นโดยไม่มีการเพิ่ม ของใบหรือสมุนไพร จึงใช้ชาขม แต่กระตุ้นเครื่องดื่ม อื่น ๆ มากกว่าที่ จะ เป็นการผสมยาChinese legends attribute the invention of tea to Shennong in 2737 BC, although evidence suggests that tea drinking may have been introduced from the southwest of China (Sichuan/Yunnan area). The earliest written records of tea come from China. In 2016, the discovery of the earliest known physical evidence of tea from the mausoleum of Emperor Jing of Han in Xi'an was reported, indicating that tea from the genus Camellia was drunk by Han Dynasty emperors as early as 2nd century BC.The word tu 荼appears in the Shijing and other ancient texts to signify a kind of "bitter vegetable" (苦菜), and it is possible that it referred to a number of different plants such as sowthistle, chicory, or smartweed, as well as tea. In the Chronicles of Huayang, it was recorded that the Ba people in Sichuan presented tu to the Zhou king. The state of Ba and its neighbour Shu were later conquered by the Qin, and according to the 17th century scholar Gu Yanwu who wrote in Ri Zhi Lu (日知錄): "It was after the Qin had taken Shu that they learned how to drink tea." The Han dynasty work "The Contract for a Youth", written by Wang Bao in 59 BC, contains the first known reference to boiling tea. Among the tasks listed to be undertaken by the youth, the contract states that "he shall boil tea and fill the utensils" and "he shall buy tea at Wuyang". The first record of tea cultivation is also dated to this period (the reign of Emperor Xuan of Han), during which tea was cultivated on Meng Mountain (蒙山) near Chengdu.An early credible record of tea drinking dates to the third century AD, in a medical text by Hua Tuo, who stated, to drink bitter tu constantly makes one think better. Another possible early reference to tea is found in a letter written by the Qin Dynasty general Liu Kun. However, before the mid-8th century Tang dynasty, tea-drinking was primarily a southern Chinese practice. It became widely popular during the Tang Dynasty, when it was spread to Korea, Japan, and Vietnam. In India, tea has been drunk for medicinal purposes for a long but uncertain period, but apart from the Himalayan region it seems not to have been used as a beverage until the British introduced tea-drinking there much later.
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