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每周分子 | Molecule of the Week

ACS 美国化学会 ACS美国化学会 2023-03-12

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每周分子:原蕨苷

Molecule of the Week: Ptaquiloside

原蕨苷是一种天然降倍半萜糖苷毒素,存在于蕨类植物(Pteridium aquilinum 和其他物种)中。它由日本名古屋大学、东京大学和JEOL公司(东京)的Kiyoyuki Yamada及其同事们于1983年首次分离并鉴定。


原蕨苷是一种致癌物,也是导致牛和其他牲畜发生出血性疾病和布赖特氏盲的原因。原蕨苷可以进入受感染动物的乳汁和肉中,并会导致人类食道癌和胃癌的发生。2019年,哥本哈根大学的Lars Holm Rasmussen和他的同事们阐明了原蕨苷在牛体内的生化过程。


原蕨苷已被广泛研究和报道,包括在《牛病彩色图谱》(2011年第3版,Color Atlas of Diseases and Disorders of Cattle )第13章和Science.gov (美国科学信息门户网站 )引用的多份出版物中。


虽然原蕨苷具有剧毒性,但目前尚无其安全数据表。


原蕨苷信息速览

CAS 登记号

87625-62-5

分子式

C20H30O8

摩尔质量

398.45 g/mol

外观

白色粉末

熔点

85–89°C

水溶性

高溶解度


关于每周分子


自2001年以来,“每周分子”已成为广受欢迎的栏目。多数分子由读者推荐。每个结构都经由科学家审查,并以3-D和平面图像的形式显示,同时附有该分子简介。可以通过美国化学文摘社 (CAS) 提供的SciFinder中的CAS REGISTRY获取“每周分子”的更多信息。CAS REGISTRY中的每条物质信息都展示了物质的CAS登记号、索引名、通用名、商品名、书目信息等其他更多信息。发送邮件至motw@acs.org推荐您感兴趣的分子吧



Ptaquiloside is a natural norsesquiterpene glucoside toxin present in bracken ferns (Pteridium aquilinum and other species). In 1983, it was isolated and characterized by Kiyoyuki Yamada and colleagues at Nagoya University (Japan), the University of Tokyo, and JEOL Ltd. (Tokyo).


Ptaquiloside is a carcinogen and the cause of hemorrhagic disease and bright blindness in cattle and other livestock. It can enter the milk and meat of affected animals and is known to cause esophageal and gastric cancer in humans. In 2019, Lars Holm Rasmussen and co-workers at the University of Copenhagen elucidated the biochemical fate of ptaquiloside in cattle.


Ptaquiloside has been well studied and reported, including in Chapter 13 of Color Atlas of Diseases and Disorders of Cattle (3rd ed., 2011) and in several publications cited by Science.gov in the 2000s and 2010s.


Although ptaquiloside is highly toxic, no safety data sheets for it are available.


Ptaquilosidefast facts

CAS Reg. No.

87625-62-5

Empirical

formula

C20H30O8

Molar mass

398.45 g/mol

Appearance

Whitepowder

Boiling point

85–89°C

Water solubility

Highlysoluble


About Molecule of the Week


MOTW has been a popular feature on ACS website since 2001. Many molecules are suggested by our website visitors. Every structure is reviewed by a scientist and displayed in 3-D and flat images with a brief description. Each week’s molecule also links to a sample record from the CAS REGISTRY, which is searched using SciFinder. Each record displays the registry number, index name and synonyms, bibliographic information, and more. Send us a molecule suggestion at motw@acs.org.


Copyright © 2022 American Chemical Society


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