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Researchers uncover earliest tobacco use in the Pacific Northwest

UC Davis researchers uncover earliest tobacco use in the Pacific Northwest
The earliest known usage of tobacco in the Pacific Northwest was smoked using a pipe similar to this one, according to Shannon Tushingham, a UC Davis archaeology research associate. Credit: Shannon Tushingham

(Phys.org)—Native American hunter-gatherers living more than a thousand years ago in what is now northwestern California ate salmon, acorns and other foods, and now we know they also smoked tobacco—the earliest known usage in the Pacific Northwest, according to a new University of California, Davis, study.

"The study demonstrates that was part of the northwestern California culture very early ... shortly after the earliest documented Pacific Northwest Coast plank house villages," said the study, published in the .

Testing organic residues extracted from pipes, researchers from the UC Davis Department of Anthropology and the Fiehn Metabolomics Laboratory of the UC Davis Genome Center confirmed was smoked, and likely grown in the region, by at least A.D. 860.

Perhaps more importantly, the researchers say that additional studies may help them better understand the origins of and the human management, geographic range extension and cultivation of tobacco. Indeed, as part of a second study, the authors have recently detected nicotine in ancient pipes from an 800-year-old site in the modern city of Pleasanton, Calif.

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Prior to this recent testing, which used sensitive gas chromatography/mass spectrometry, researchers were unsure of the historical use of tobacco on the Coast. It was unclear, for example, whether European traders had brought tobacco to the area much later, or if some other plant had been smoked in the pipes, Tushingham said.

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第二场比赛将于10月8日在上海的梅赛德斯-奔驰文化中心举行。
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劳伦斯2016年的收入比2015年(5200万美元)减少了11.5%。本周四福布斯杂志还将发布2016年收入最高的男星排行榜。去年荣膺榜首的是小罗伯特-唐尼,收入约为8000万美元。

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但并非所有记者──比如笔者本人──都认同这个最终评估结果。
尤吉利时机恰当和思虑周密的举动应该能扭转猛龙下滑的颓势。

The study is available online.


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Citation: Researchers uncover earliest tobacco use in the Pacific Northwest (2013, March 1) retrieved 18 November 2020 from https://phys.org/news/2013-03-uncover-earliest-tobacco-pacific-northwest.html
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