Antioxidant and anti-inflammatory properties of taiwanese yam (Dioscorea japonica Thunb. var. pseudojaponica (Hayata) Yamam.) and its reference compounds

Chuan Sung Chiu, Jeng Shyan Deng, Heng Yuan Chang, Yi Chuan Chen, Min Min Lee, Wen Chi Hou, Chao Ying Lee, Shyh Shyun Huang, Guan Jhong Huang

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Dioscorea japonica Thunb. var. pseudojaponica (DP) is consumed as food and widely used in traditional Chinese medicine in Taiwan. The aims of this study are to investigate the antioxidant and anti-inflammatory effects of ethanol extract of DP (EDP) and its reference compounds. Fingerprint chromatogram from HPLC indicated that EDP contains gallic acid and vanillic acid. EDP was evaluated for its antioxidant effects and LPS-induced nitrite oxide (NO) production in RAW264.7 cells. EDP decreased the LPS-induced NO production and expressions of iNOS and COX-2 in RAW264.7 cells. In-vivo anti-inflammatory activities of EDP were assessed in mouse paw oedema induced by λ-carrageenan (Carr). We investigated the antioxidant mechanism of EDP via studies of the activities of catalase (CAT), superoxide dismutase (SOD), and glutathione peroxidase (GPx) and the levels of malondialdehyde (MDA) in the oedematous paw. The results showed that EDP might be a natural antioxidant and anti-inflammatory agent.

Original languageEnglish
Pages (from-to)1087-1096
Number of pages10
JournalFood Chemistry
Volume141
Issue number2
DOIs
Publication statusPublished - 2013

Fingerprint

Dioscorea japonica
Dioscorea
yams
anti-inflammatory activity
Anti-Inflammatory Agents
Antioxidants
antioxidants
extracts
Nitrites
Oxides
Vanillic Acid
Gallic Acid
Carrageenan
Chinese Traditional Medicine
Dermatoglyphics
nitrites
Glutathione Peroxidase
oxides
Malondialdehyde
Taiwan

Keywords

  • Anti-inflammation
  • Antioxidant
  • Dioscorea japonica Thunb. var.
  • Pseudojaponica
  • Taiwanese yam

ASJC Scopus subject areas

  • Food Science
  • Analytical Chemistry

Cite this

Antioxidant and anti-inflammatory properties of taiwanese yam (Dioscorea japonica Thunb. var. pseudojaponica (Hayata) Yamam.) and its reference compounds. / Chiu, Chuan Sung; Deng, Jeng Shyan; Chang, Heng Yuan; Chen, Yi Chuan; Lee, Min Min; Hou, Wen Chi; Lee, Chao Ying; Huang, Shyh Shyun; Huang, Guan Jhong.

In: Food Chemistry, Vol. 141, No. 2, 2013, p. 1087-1096.

Research output: Contribution to journalArticle

Chiu, Chuan Sung ; Deng, Jeng Shyan ; Chang, Heng Yuan ; Chen, Yi Chuan ; Lee, Min Min ; Hou, Wen Chi ; Lee, Chao Ying ; Huang, Shyh Shyun ; Huang, Guan Jhong. / Antioxidant and anti-inflammatory properties of taiwanese yam (Dioscorea japonica Thunb. var. pseudojaponica (Hayata) Yamam.) and its reference compounds. In: Food Chemistry. 2013 ; Vol. 141, No. 2. pp. 1087-1096.
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