Chlorophyll derived from Chlorella inhibits dioxin absorption from the gastrointestinal tract and accelerates dioxin excretion in rats

Environmental Health Perspectives
K MoritaT Hasegawa

Abstract

We investigated the effects of chlorophyll derived from Chlorella on gastrointestinal absorption of seven types of polychlorinated dibenzo-p-dioxin (PCDD) and 10 types of polychlorinated dibenzofuran (PCDF) in Wistar rats. Twenty-eight rats were randomly distributed into seven groups (n = 4). After overnight food deprivation, rats were given 4 g of the basal diet or 4 g of the chlorophyll diet containing 0.01-0.5% chlorophyll one time on day 1; each diet also contained 0.2 mL PCDD and PCDF standard solutions. The amounts of fecal excretion of PCDD and PCDF congeners from days 1 to 5 in the group fed 0.01% chlorophyll were 64.8% for 1,2,3,7,8-pentaCDD, 78.6% for 1,2,3,4,7,8-hexaCDD, 73.5% for 1,2,3,6,7,8-hexaCDD, 58.5% for 1,2,3,7,8,9-hexaCDD, 33.3% for 1,2,3,4,6,7,8-heptaCDD, 85.7% for 1,2,3,7,8-pentaCDF, 77.3% for 2,3,4,7,8-pentaCDF, 88.6% for 1,2,3,4,7,8-hexaCDF, 78.0% for 1,2,3,6,7,8-hexaCDF, 62.5% for 1,2,3,7,8,9-hexaCDF, 84.1% for 2,3,4,6,7,8-hexaCDF, 41.7% for 1,2,3,4,6,7,8-heptaCDF, and 40.0% for 1,2,3,4,6,7,8-heptaCDF greater (p < 0.01) than those of the control group, respectively. The fecal excretion of PCDD and PCDF congeners was remarkably increased along with the increasing dietary chlorophyll. The amounts of PCDD ...Continue Reading

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Citations

Feb 9, 2012·Journal of Environmental and Public Health·Margaret E Sears, Stephen J Genuis
Oct 28, 2008·Expert Opinion on Drug Metabolism & Toxicology·Hitoshi AshidaItsuko Fukuda
Aug 8, 2008·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·Mary L S QueirozChrislaine O Soares
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Jul 1, 2006·Annals of Nutrition & Metabolism·Hyo-Jin AnHyung-Min Kim
May 19, 2017·Journal of Epidemiology and Community Health·Chisato Mori, Emiko Todaka
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