Role of virgin coconut oil (VCO) as co-extractant for obtaining xanthones from mangosteen (Garcinia mangostana) pericarp with supercritical carbon dioxide extraction

Siew Lee Kok, Wan Jun Lee, Richard Lee Smith, Norhidayah Suleiman, Kriskamol Na Jom, Kanithaporn Vangnai, Amir Hamzah Bin Sharaai, Gun Hean Chong

研究成果: Article査読

2 被引用数 (Scopus)

抄録

Virgin coconut oil (VCO) was used as co-extractant with supercritical carbon dioxide (scCO2) extraction for obtaining xanthones from mangosteen pericarp (MP) without organic co-solvents. In each experiment, 120 g of dried MP that had median particle sizes of 0.85 mm was used. Extraction of MP with 40% VCO co-extractant using scCO2 (1.08 kg/h) for 420 min at 430 bar and 70 °C gave α-mangostin (32.2 mg/g), γ-mangostin (7.2 mg/g), xanthones (28.2 mg/g) in extract and an extraction yield of 31%. The role of VCO is that it promotes dissolution of xanthones and mass transfer into the scCO2 phase as elucidated with the Pardo-Castaño model. The Lentz equation was generalized in terms of (P, T, %VCO, ρCO2) to correlate all extraction curve data to within 7.4% and to estimate extraction yield crossover regions. Xanthones can be separated from mangosteen pericarp with VCO and scCO2 extraction without organic co-solvents.

本文言語English
論文番号105305
ジャーナルJournal of Supercritical Fluids
176
DOI
出版ステータスPublished - 2021 10月

ASJC Scopus subject areas

  • 化学工学(全般)
  • 凝縮系物理学
  • 物理化学および理論化学

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