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Absorption of Chlorogenic Acid and Caffeic Acid in Rats after Oral Administration

Azuma, Keiko, Ippoushi, Katsunari, Nakayama, Masayoshi, Ito, Hidekazu, Higashio, Hisao, Terao, Junji·2000·Journal of Agricultural and Food Chemistry

Abstract

Absorption of orally administered chlorogenic acid (5-caffeoylquinic acid) and caffeic acid in rats was studied to obtain plasma pharmacokinetic profiles of their metabolites. Rats were administered 700 micromol/kg body weight of chlorogenic or caffeic acid, and blood was collected from the tail for 6 h after administration. Ingested caffeic acid was absorbed from the alimentary tract and was present in the rat blood circulation in the form of various metabolites. On the other hand, only traces of metabolites, supposedly caffeic and ferulic acids conjugates, were detected in rat plasma for 6 h after chlorogenic acid administration. Chlorogenic acid and small amounts of caffeic acid were found in the small intestine for 6 h after chlorogenic acid administration. These results suggest that chlorogenic acid is not well absorbed from the digestive tract, unlike caffeic acid, and subject to almost no structural changes to the easily absorbed forms.

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Metadata

Authors
Azuma, K., Ippoushi, K., Nakayama, M., Ito, H., Higashio, H., & Terao, J.
Venue
Journal of Agricultural and Food Chemistry
Published
2000-10-07
Volume
48
Issue
11
Pages
5496-5500
ISSN
  • 0021-8561 (ISSN-L)
  • 1520-5118
OpenAlex
W2059359543
Cited by
339
References
0
FWCI
5.21
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Absorption of Chlorogenic Acid and Caffeic Acid in Rats after Oral Administration. https://app.cochat.ai/papers/10.1021/jf000483q
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Azuma, K., Ippoushi, K., Nakayama, M., Ito, H., Higashio, H., & Terao, J. (2000). Absorption of Chlorogenic Acid and Caffeic Acid in Rats after Oral Administration. Journal of Agricultural and Food Chemistry. https://doi.org/10.1021/jf000483q

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