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KMID : 1007520200290050631
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Food Science and Biotechnology
2020 Volume.29 No. 5 p.631 ~ p.639
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Pilot-scale subcritical-water extraction of nodakenin and decursin from Angelica gigas Nakai
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Ko Min-Jung
Kwon Mi-Ri
Chung Myong-Soo
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Abstract
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Active components were extracted from Angelica gigas Nakai by subcritical-water extraction (SWE) with the purpose of determining how the extraction conditions affect the SWE of antioxidant properties and active components (nodakenin and decursin), and to compare pilot-scale SWE (8 L) and conventional extraction methods. The extraction yields of nodakenin and decursin in the pilot-scale system were highest at 150 °C for 10 min and 190 °C for 15 min, respectively. The extraction yield of decursin increased as the stirring speed was increased to 200?250 rpm. Pearson’s correlation indicated that the radical-scavenging activities using DPPH and ABTS assays were more sensitive to the Maillard reaction (R2?=?0.822 and 0.933, respectively) than to the total phenolic contents (R2?=?0.486 and 0.724, respectively). The extraction yield of decursin was higher when using conventional extraction methods than for SWE.
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KEYWORD
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Subcritical water extraction, Angelica gigas Nakai, Pilot-scale system, Decursin, Nodakenin
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