Journal
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
Volume 56, Issue 24, Pages 12073-12080Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jf802732n
Keywords
Anti-allergic; Ecklonia cava; phlorotannins; histamine release; IgE; Fc epsilon RI
Funding
- Korea Institute of Marine Science & Technology Promotion (KIMST) [B10400107A280000100] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Two bioactive phloroglucinol derivatives, fucodiphloroethol G (1) and phlorofucofuroeckol A (3) were first isolated from Eckolonia cava (EC) and characterized by nuclear magnetic resonance (NMR) spectroscopic methods, along with eckol (2). In this study, anti-allergic activities of phloroglucinol derivatives were assessed on human basophilic leukemia (KU812) and rat basophilic leukemia (RBL-2H3) cell lines using a histamine release assay. Both compounds 1 and 3 exhibited a significant inhibitory activity against histamine release. Meanwhile, the potential inhibitory mechanism was also suggested as the suppression of binding activity between IgE and Fc epsilon RI by the cytometric analysis. These results suggested that compounds 1 and 3 could be the key effectors in the crude methanol extract of EC against allergy disease and used as novel candidates for development in the cosmetic and drug industries potentially.
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