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学科主题: Clinical Neurology
题名: Consumption of fa cai Nostoc soup: A Potential for BMAA exposure from Nostoc cyanobacteria in China?
作者: Roney, Britton R.2; Li Renhui3; Banack, Sandra Anne1; Murch, Susan4; Honegger, Rosmarie5; Cox, Paul Alan1
通讯作者: Cox, PA, Inst Ethnomed, Box 3464, Jackson, WY 83001 USA
关键词: China ; Nostoc ; cyanobacteria ; wild harvesting ; BMAA
刊名: AMYOTROPHIC LATERAL SCLEROSIS
发表日期: 2009
卷: 10, 期:Supplement.2, 页:44-49
收录类别: SCI
文章类型: Article
部门归属: [Banack, Sandra Anne; Cox, Paul Alan] Inst Ethnomed, Jackson Hole, WY USA; [Roney, Britton R.] London Sch Econ, China Comparat Perspect Network, London WC2A 2AE, England; [Li Renhui] Chinese Acad Sci, Inst Hydrobiol, Wuhan, Hubei, Peoples R China; [Murch, Susan] Univ British Columbia, Dept Chem, Kelowna, BC, Canada; [Honegger, Rosmarie] Univ Zurich, Inst Pflanzenbiol, Zurich, Switzerland
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: Harold K. L. Castle Foundation ; Wood Family Foundation
类目[WOS]: Clinical Neurology
研究领域[WOS]: Neurosciences & Neurology
摘要: Grown in arid regions of western China the cyanobacterium Nostoc flagelliforme - called fa cai in Mandarin and fat choy in Cantonese - is wild-harvested and used to make soup consumed during New Year's celebrations. High prices, up to $125 USD/kg, led to overharvesting in Inner Mongolia, Ningxia, Gansu, Qinghai, and Xinjiang. Degradation of arid ecosystems, desertification, and conflicts between Nostoc harvesters and Mongol herdsman concerned the Chinese environmental authorities, leading to a government ban of Nostoc commerce. This ban stimulated increased marketing of a substitute made from starch. We analysed samples purchased throughout China as well as in Chinese markets in the United States and the United Kingdom. Some were counterfeits consisting of dyed starch noodles. A few samples from California contained Nostoc flagelliforme but were adulterated with starch noodles. Other samples, including those from the United Kingdom, consisted of pure Nostoc flagelliforme. A recent survey of markets in Cheng Du showed no real Nostoc flagelliforme to be marketed. Real and artificial fa cai differ in the presence of beta-N-methylamino-L-alanine (BMAA). Given its status as a high-priced luxury food, the government ban on collection and marketing, and the replacement of real fa cai with starch substitutes consumed only on special occasions, it is anticipated that dietary exposure to BMAA from fa cai will be reduced in the future in China.
英文摘要: Grown in arid regions of western China the cyanobacterium Nostoc flagelliforme - called fa cai in Mandarin and fat choy in Cantonese - is wild-harvested and used to make soup consumed during New Year's celebrations. High prices, up to $125 USD/kg, led to overharvesting in Inner Mongolia, Ningxia, Gansu, Qinghai, and Xinjiang. Degradation of arid ecosystems, desertification, and conflicts between Nostoc harvesters and Mongol herdsman concerned the Chinese environmental authorities, leading to a government ban of Nostoc commerce. This ban stimulated increased marketing of a substitute made from starch. We analysed samples purchased throughout China as well as in Chinese markets in the United States and the United Kingdom. Some were counterfeits consisting of dyed starch noodles. A few samples from California contained Nostoc flagelliforme but were adulterated with starch noodles. Other samples, including those from the United Kingdom, consisted of pure Nostoc flagelliforme. A recent survey of markets in Cheng Du showed no real Nostoc flagelliforme to be marketed. Real and artificial fa cai differ in the presence of beta-N-methylamino-L-alanine (BMAA). Given its status as a high-priced luxury food, the government ban on collection and marketing, and the replacement of real fa cai with starch substitutes consumed only on special occasions, it is anticipated that dietary exposure to BMAA from fa cai will be reduced in the future in China.
关键词[WOS]: NEUROTOXIC AMINO-ACID ; NEURODEGENERATIVE DISEASE ; CHAMORRO PEOPLE ; FLAGELLIFORME ; DIETARY ; PRODUCE ; GUAM
语种: 英语
WOS记录号: WOS:000272537200007
ISSN号: 1748-2968
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/7464
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Inst Ethnomed, Jackson Hole, WY USA
2.London Sch Econ, China Comparat Perspect Network, London WC2A 2AE, England
3.Chinese Acad Sci, Inst Hydrobiol, Wuhan, Hubei, Peoples R China
4.Univ British Columbia, Dept Chem, Kelowna, BC, Canada
5.Univ Zurich, Inst Pflanzenbiol, Zurich, Switzerland

Recommended Citation:
Roney, Britton R.; Li Renhui; Banack, Sandra Anne; Murch, Susan; Honegger, Rosmarie; Cox, Paul Alan.Consumption of fa cai Nostoc soup: A Potential for BMAA exposure from Nostoc cyanobacteria in China?,AMYOTROPHIC LATERAL SCLEROSIS,2009,10(Supplement.2):44-49
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