Synergistic effect of antioxidant phenolic acids on human phenolsulfotransferase activity

Chi Tai Yeh, Ping Hsiao Shih, Gow Chin Yen

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Sulfate conjugation by phenolsulfotransferases (PSTs) is an important process in the detoxification of xenobiotics and endogenous compounds. There are two forms of PSTs for the sulfation of small phenols (PST-P) and monoamines (PST-M). Phenolic acids are known to increase the activities of PST-P and PST-M. The purpose of this study is to investigate the synergistic effect of the combinations of phenolic acids on human PSTs activities. The combinations of p-hydroxybenzoic acid, gentisic acid, ferulic acid, gallic acid, and coumaric acid in a random order for their effects on PSTs activities were evaluated at concentrations of 2.5, 5.0, and 7.5 μM. The PST-M activity was significantly increased when gentisic acid was combined with each of the other phenolic acids. When p-hydroxybenzoic acid was combined with each of the other phenolic acids, a synergistic effect with respect to the promotion of PST-P activity was obtained. A potential synergistic effect for the PST-P activity was also found in the following combination: p-hydroxybenzoic acid + gallic acid + gentisic acid, p-hydroxybenzoic acid + gallic acid + m-coumaric acid, p-hydroxybenzoic acid + o-coumaric acid + p-coumaric acid, p-hydroxybenzoic acid + o-coumaric acid + m-coumaric acid, gallic acid + gentisic acid + p-coumaric acid, and gallic acid + o-coumaric acid + m-coumaric acid. Therefore, the activities of both forms of PSTs can be promoted by all of these combinations of phenolic acids. These results provide a better understanding regarding the effect of phenolic acids on human PSTs activities, as well as more information on the intake of antioxidant phenolic acids for human health.

Original languageEnglish
Pages (from-to)4139-4143
Number of pages5
JournalJournal of Agricultural and Food Chemistry
Volume52
Issue number13
DOIs
Publication statusPublished - Jun 30 2004
Externally publishedYes

Fingerprint

coumaric acids
4-hydroxybenzoic acid
phenolic acids
Human Activities
Gallic Acid
2,5-dihydroxybenzoic acid
Antioxidants
Hydroxybenzoates
Coumaric Acids
gallic acid
Arylsulfotransferase
antioxidants
ferulic acid
Salicylic Acid
p-coumaric acid
Acids
monoamines
Detoxification
Phenols
Xenobiotics

Keywords

  • Gallic acid
  • p-hydroxybenzoic acid
  • Phenolic acids
  • Phenolsulfotransferases
  • Synergistic effect

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Food Science
  • Chemistry (miscellaneous)

Cite this

Synergistic effect of antioxidant phenolic acids on human phenolsulfotransferase activity. / Yeh, Chi Tai; Shih, Ping Hsiao; Yen, Gow Chin.

In: Journal of Agricultural and Food Chemistry, Vol. 52, No. 13, 30.06.2004, p. 4139-4143.

Research output: Contribution to journalArticle

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abstract = "Sulfate conjugation by phenolsulfotransferases (PSTs) is an important process in the detoxification of xenobiotics and endogenous compounds. There are two forms of PSTs for the sulfation of small phenols (PST-P) and monoamines (PST-M). Phenolic acids are known to increase the activities of PST-P and PST-M. The purpose of this study is to investigate the synergistic effect of the combinations of phenolic acids on human PSTs activities. The combinations of p-hydroxybenzoic acid, gentisic acid, ferulic acid, gallic acid, and coumaric acid in a random order for their effects on PSTs activities were evaluated at concentrations of 2.5, 5.0, and 7.5 μM. The PST-M activity was significantly increased when gentisic acid was combined with each of the other phenolic acids. When p-hydroxybenzoic acid was combined with each of the other phenolic acids, a synergistic effect with respect to the promotion of PST-P activity was obtained. A potential synergistic effect for the PST-P activity was also found in the following combination: p-hydroxybenzoic acid + gallic acid + gentisic acid, p-hydroxybenzoic acid + gallic acid + m-coumaric acid, p-hydroxybenzoic acid + o-coumaric acid + p-coumaric acid, p-hydroxybenzoic acid + o-coumaric acid + m-coumaric acid, gallic acid + gentisic acid + p-coumaric acid, and gallic acid + o-coumaric acid + m-coumaric acid. Therefore, the activities of both forms of PSTs can be promoted by all of these combinations of phenolic acids. These results provide a better understanding regarding the effect of phenolic acids on human PSTs activities, as well as more information on the intake of antioxidant phenolic acids for human health.",
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