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Unique Proline-Benzoquinone Pigment From the Colored Nectar of "Bird's Coca Cola Tree" Functions in Bird Attractions

Shi-Hong Luo, Yan Liu, Juan Hua, Xue-Mei Niu, Shu-Xi Jing, Xu Zhao, Bernd Schneider, Jonathan Gershenzon, Sheng-Hong Li

Org Lett. 2012 Aug 17;14(16):4146-9.

PMID: 22852841

Abstract:

The major pigment responsible for the dark brown nectar of the "bird's Coca cola tree", Leucosceptrum canum (Labiatae), was isolated and identified as a unique symmetric proline-quinone conjugate, 2,5-di-(N-(-)-prolyl)-para-benzoquinone (DPBQ). Behavioral experiments with both isolated and synthetic authentic samples indicated that DPBQ functions mainly as a color attractant to bird pollinators.

Chemicals Related in the Paper:

Catalog Number Product Name Structure CAS Number Price
AP7029892 DPBQ DPBQ 7029-89-2 Price
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