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Antioxidant activities of phenolic compounds from Angelica gigas Nakai extract using subcritical water
- Antioxidant activities of phenolic compounds from Angelica gigas Nakai extract using subcritical water
- Ko M.-J.; Lee J.-H.; Nam H.-H.; Chung M.-S.
- Ewha Authors
- 정명수; 고민정
- SCOPUS Author ID
- Issue Date
- Journal Title
- Korean Journal of Food Science and Technology
- Korean Journal of Food Science and Technology vol. 49, no. 1, pp. 44 - 49
- Angelica gigas Nakai; Antioxidant activity; Decursin; Nodakenin; Subcritical water extraction
- Korean Society of Food Science and Technology
- SCOPUS; KCI
- Document Type
- Subcritical water extraction can be used to selectively extraction compounds by varying the temperature-dependent dielectric constant of water. This study investigated subcritical water extraction of decursin and nodakenin yields from Angelica gigas Nakai (AN) quantitatively and qualitatively by HPLC, and HPLC-ESI/MS. Total phenolics, total flavonoid contents, and antioxidant activity were determined by DPPH and ABTS radical scavenging activity, including the effects of varying the extraction conditions of temperature (110-200°C) and time (1-20 min) under high pressure (10 MPa). By subcritical water extraction under operating conditions of 120-130°C, the maximum yields of decursin (6.64±;0.42% in the dried material) and nodakenin (3.71±;0.28% in the dried material) were obtained. From 190-200°C the maximum yields of total phenolics (75.97±;1.64 mg gallic acid equivalent/g AN), flavonoids (8.56±;1.10 mg quercetin equivalent/g AN), DPPH (63.07±;1.71%), and ABTS (72.32±;2.82%) were obtained.
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