Supercritical carbon dioxide fluid extraction of Hibiscus cannabinus L. seed oil: A potential solvent-free and high antioxidative edible oil

被引：112
作者：
Chan, Kim Wei [2 ]
Ismail, Maznah [1 ,2 ]
机构：
[1] Univ Putra Malaysia, Fac Med & Hlth Sci, Serdang 43400, Selangor Darul, Malaysia
[2] Univ Putra Malaysia, Inst Biosci, Lab Mol Biomed, Nutrigenom Programme, Serdang 43400, Selangor Darul, Malaysia
来源：
FOOD CHEMISTRY | 2009年 / 114卷 / 03期
关键词：
H. cannabinus seed oil; Supercritical carbon dioxide extraction; Antioxidant activity; CHEMICAL-COMPOSITION; OXIDATIVE STABILITY; VEGETABLE-OILS; OLIVE OIL; CO2; BRAN;
D O I：
10.1016/j.foodchem.2008.10.055
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The supercritical fluid extraction (SFE) trends and antioxidant activities of Hibiscus cannabinus seed oils were studied. SFE results indicate that extraction pressure is the major factor determining the oil yield. in comparison, classic Soxhlet extraction (SOX/L) yielded higher oil content than SFE (P < 0.05). However, no significant differences in oil content were observed in SFE at 600 bars/80 degrees C, rapid Soxhlet extraction (SOX/S) and conventional ultra-sonic assisted solvent extraction (SONIC) (P > 0.05). Antioxidant activities of H. cannabinus seed oils were compared with 7 types of commercial edible oils. DPPH scavenging activity test indicated that H. cannabinus seed oil extracted by SFE at 200 bars/80 degrees C possessed the highest antiradical activity whereas beta-carotene bleaching (BCB) assay revealed that all H. cannabinus seed oils (except for SFE at 400 bars/80 degrees C and 600 bars/80 degrees C) exhibited higher antioxidant activity than all commercial edible oils (P < 0.05). Thus, SFE - H. cannabinus seed oil may serve as an excellent source of solvent-free edible oil with high antioxidant properties. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：970 / 975
页数：6
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