Diurnal variation of biopyrrin excretion
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Hiroshi Ihara; Takayuki Matsumoto; Yoshikazu Morita; Akiko Hirano; Mitsumasa Oka
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Article
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2007
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John Wiley and Sons
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English
⚖ 139 KB
## Abstract Circulating bilirubin is thought to function as a physiological antioxidant. One of the decomposition products of this process is the biopyrrins, which include two regioisomers: biotripyrrin‐a (1,14,15,17‐tetrahydro‐2,7,13‐trimethyl‐1,14‐deoxy‐3‐vinyl‐16H‐tripyrrin‐8,12‐dipropionic acid