A single-step isolation of useful antioxidant compounds from Ishige okamurae by using centrifugal partition chromatographyopen accessA single-step isolation of useful antioxidant compounds from Ishige okamurae by using centrifugal partition chromatography
- Other Titles
- A single-step isolation of useful antioxidant compounds from Ishige okamurae by using centrifugal partition chromatography
- Authors
- Hyung-Ho Kim; Hyun-Soo Kim; Ju-Young Ko; Chul-Young Kim; Ji-Hyeok Lee; You-Jin Jeon
- Issue Date
- Jun-2016
- Publisher
- 한국수산과학회
- Keywords
- Ishige okamurae; Centrifugal partition chromatography (CPC); ABTS+ online HPLC; Diphlorethohydroxycarmalol; Octaphlorethol A
- Citation
- Fisheries and Aquatic Sciences, v.19, no.2, pp.1 - 7
- Indexed
- SCOPUS
KCI
- Journal Title
- Fisheries and Aquatic Sciences
- Volume
- 19
- Number
- 2
- Start Page
- 1
- End Page
- 7
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/15176
- DOI
- 10.1186/s41240-016-0023-y
- ISSN
- 0374-8111
- Abstract
- One of the main compounds in Ishige okamurae, diphlorethohydroxycarmalol (DPHC), is known to exhibit antiviral and anti-inflammatory effects. However, it has not been investigated extensively. In this study, preparative centrifugal partition chromatography (CPC) coupled with 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS+) online HPLC was employed for effectively separating considerable amounts of antioxidant compounds from marine algae. Two main antioxidant compounds, DPHC and octaphlorethol A (OPA), respectively, were confirmed and isolated from the ethyl acetate (EtOAc) fraction of I. okamurae by ABTS+ online HPLC and preparative CPC systems. The presence of DPHC and OPA was confirmed in the EtOAc fraction of I. okamurae by both liquid chromatography with diode array detection and electrospray ionization mass spectrometry (LC-DAD-ESI/MS) and ABTS+ online HPLC systems: DPHC (39 mg) and OPA (23 mg) were successfully isolated from I. okamurae (500 mg) with optimum solvent composition (0.5:10:4:6; n-hexane/EtOAc/MeOH/water, v/v) with corresponding partition coefficients (K) of 1.62 and 2.71, respectively, by preparative CPC. Hence, CPC coupled with ABTS+ online HPLC is convenient for the efficient and simple isolation of these antioxidant compounds from I. okamurae.
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