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Consumption of fa cai Nostoc soup: A Potential for BMAA exposure from Nostoc cyanobacteria in China?
Roney, Britton R.; Li Renhui; Banack, Sandra Anne; Murch, Susan; Honegger, Rosmarie; Cox, Paul Alan; Cox, PA, Inst Ethnomed, Box 3464, Jackson, WY 83001 USA
2009
Source PublicationAMYOTROPHIC LATERAL SCLEROSIS
Volume10Issue:Supplement.2Pages:44-49
AbstractGrown 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.
KeywordChina Nostoc Cyanobacteria Wild Harvesting Bmaa
Department[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
Subject AreaClinical Neurology
Funding OrganizationHarold K. L. Castle Foundation ; Wood Family Foundation ; Harold K. L. Castle Foundation ; Wood Family Foundation ; Harold K. L. Castle Foundation ; Wood Family Foundation ; Harold K. L. Castle Foundation ; Wood Family Foundation
Indexed BySCI
Language英语
WOS IDWOS:000272537200007
Funding OrganizationHarold K. L. Castle Foundation ; Wood Family Foundation ; Harold K. L. Castle Foundation ; Wood Family Foundation ; Harold K. L. Castle Foundation ; Wood Family Foundation ; Harold K. L. Castle Foundation ; Wood Family Foundation
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/7464
Collection期刊论文
Corresponding AuthorCox, PA, Inst Ethnomed, Box 3464, Jackson, WY 83001 USA
Recommended Citation
GB/T 7714
Roney, Britton R.,Li Renhui,Banack, Sandra Anne,et al. Consumption of fa cai Nostoc soup: A Potential for BMAA exposure from Nostoc cyanobacteria in China?[J]. AMYOTROPHIC LATERAL SCLEROSIS,2009,10(Supplement.2):44-49.
APA Roney, Britton R..,Li Renhui.,Banack, Sandra Anne.,Murch, Susan.,Honegger, Rosmarie.,...&Cox, PA, Inst Ethnomed, Box 3464, Jackson, WY 83001 USA.(2009).Consumption of fa cai Nostoc soup: A Potential for BMAA exposure from Nostoc cyanobacteria in China?.AMYOTROPHIC LATERAL SCLEROSIS,10(Supplement.2),44-49.
MLA Roney, Britton R.,et al."Consumption of fa cai Nostoc soup: A Potential for BMAA exposure from Nostoc cyanobacteria in China?".AMYOTROPHIC LATERAL SCLEROSIS 10.Supplement.2(2009):44-49.
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