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Comparison Of Bioactivities And Composition Of Curcumin-Free Turmeric (Curcuma Longa L.) Oils From Different Sources, Yongxiang Yu
Comparison Of Bioactivities And Composition Of Curcumin-Free Turmeric (Curcuma Longa L.) Oils From Different Sources, Yongxiang Yu
All Theses
Composition, antioxidant capacities and cell inhibition properties of curcumin-free turmeric (Curcuma longa L.) oils from different sources were evaluated by chromatographic method, two different in vitro antioxidative activity assays (DPPH* free radical scavenging assay and reducing power assay) and two different cancer cell lines (Caco-2 and MCF-7). Turmeric oil A (TOA) contains zingiberene, turmerone, and ar-turmerone, while turmeric oil B (TOB) contains 1-phellandrene and α-terpinolene as the major compounds. The antioxidant tests showed that both turmeric oils possessed strong free radical scavenging activities and high reducing powers compared with standard antioxidants such as BHT and commercial rosemary oil (RO). …