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Antioxidant Activity and Constituents of Propolis Collected in Various Areas of Korea

Ahn, Mok-Ryeon, Kumazawa, Shigenori, Hamasaka, Tomoko, Bang, Keuk-Seung, Nakayama, Tsutomu·2004·Journal of Agricultural and Food Chemistry
DOI 10.1021/jf048726s
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Abstract

Propolis is a resinous substance collected by honeybees from various plant sources. The composition of propolis depends on time, vegetation, and the area of collection. This study examined the antioxidant activity of propolis from various areas of Korea: Chilgok, Cheongju, Geochang, Muju, Pocheon, and Sangju. Ethanol extracts of propolis (EEP) were prepared and evaluated for their antioxidant activity by beta-carotene bleaching, 1,1-diphenyl-2-picrylhydrazyl free radical scavenging, and 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) radical cation decolorization assays. Furthermore, the major constituents in EEP were identified by high-performance liquid chromatography analysis with a photodiode array and mass spectrometric detection, and each component was quantitatively analyzed. EEP from Cheongju and Muju had relatively strong antioxidant activity accompanied by high total polyphenol contents. Propolis from Cheongju contained large amounts of antioxidative compounds, such as caffeic acid, kaempferol, and phenethyl caffeate. On the other hand, propolis from Pocheon had compounds not seen in propolis from other areas.

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Cited by

Metadata

Authors
Ahn, M.-R., Kumazawa, S., Hamasaka, T., Bang, K.-S., & Nakayama, T.
Venue
Journal of Agricultural and Food Chemistry
Publisher
American Chemical Society (ACS)
Published
2004-11-02
Volume
52
Issue
24
Pages
7286-7292
ISSN
  • 0021-8561 (ISSN-L)
  • 1520-5118
DOI
10.1021/jf048726s
OpenAlex
W1999301504
Cited by
264
References
1
FWCI
14.46
Type
journal article
Language
en
Open access
closed

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