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Pierce's Disease
Research Updates

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What is Pierce's Disease?

Pierce's Disease is a bacterial infection, which is spread by bugs that feed on grapevines, particularly the "glassy winged sharpshooter." Grapevines that become infected with PD can quickly become sick and die.

glassy-winged sharpshooter

Procyanidins from the seeds of Vitis amurensis

  • Author(s): Chen, Ying-Jie; Hano, Yoshio; Nomura, Taro; Wang, Jiang-Nong;
  • Abstract: Three procyanidins, procyanidin B-5 3-O-gallate, vitisinol, and amurensisin, were isolated from the seeds of Vitis amurensis, whose structures were elucidated on the basis of spectral and chemical evidence. Vitisinol and amurensisin contain a spiro-type biflavanyl linkage and a biphenyl-lactone partial structure, respectively.
  • Publication Date: Apr 2000
  • Journal: Phytochemistry (Oxford)

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