Pigment chemistry: the red sweat of the hippopotamus.

Yoko Saikawa; Kimiko Hashimoto; Masaya Nakata; Masato Yoshihara; Kiyoshi Nagai; Motoyasu Ida; Teruyuki Komiya

Pigment chemistry: the red sweat of the hippopotamus.

Yoko Saikawa, Kimiko Hashimoto, Masaya Nakata, Masato Yoshihara, Kiyoshi Nagai, Motoyasu Ida, Teruyuki Komiya

Research output: Contribution to journal › Article › peer-review

Abstract

Within a few minutes of perspiration, the colourless, viscous sweat of the hippopotamus gradually turns red, and then brown as the pigment polymerizes. Here we isolate and characterize the pigments responsible for this colour reaction. The unstable red and orange pigments turn out to be non-benzenoid aromatic compounds that are unexpectedly acidic and have antibiotic as well as sunscreen activity.

Original language	English
Pages (from-to)	363
Number of pages	1
Journal	Nature
Volume	429
Issue number	6990
Publication status	Published - 2004 May 27

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title = "Pigment chemistry: the red sweat of the hippopotamus.",

abstract = "Within a few minutes of perspiration, the colourless, viscous sweat of the hippopotamus gradually turns red, and then brown as the pigment polymerizes. Here we isolate and characterize the pigments responsible for this colour reaction. The unstable red and orange pigments turn out to be non-benzenoid aromatic compounds that are unexpectedly acidic and have antibiotic as well as sunscreen activity.",

author = "Yoko Saikawa and Kimiko Hashimoto and Masaya Nakata and Masato Yoshihara and Kiyoshi Nagai and Motoyasu Ida and Teruyuki Komiya",

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AU - Yoshihara, Masato

AU - Nagai, Kiyoshi

AU - Ida, Motoyasu

AU - Komiya, Teruyuki

PY - 2004/5/27

Y1 - 2004/5/27

N2 - Within a few minutes of perspiration, the colourless, viscous sweat of the hippopotamus gradually turns red, and then brown as the pigment polymerizes. Here we isolate and characterize the pigments responsible for this colour reaction. The unstable red and orange pigments turn out to be non-benzenoid aromatic compounds that are unexpectedly acidic and have antibiotic as well as sunscreen activity.

AB - Within a few minutes of perspiration, the colourless, viscous sweat of the hippopotamus gradually turns red, and then brown as the pigment polymerizes. Here we isolate and characterize the pigments responsible for this colour reaction. The unstable red and orange pigments turn out to be non-benzenoid aromatic compounds that are unexpectedly acidic and have antibiotic as well as sunscreen activity.

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JO - Nature Cell Biology

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Pigment chemistry: the red sweat of the hippopotamus.

Abstract

ASJC Scopus subject areas

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