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Antioxidant Properties of Cold-pressed Black Caraway, Carrot, Cranberry, and Hemp Seed Oils by Liangli Lucy Yu; Kequan Kevin Zhou; John Parry is a Agricultural and Biological Sciences article available to read on EtoBox.

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Cold-pressed black caraway, carrot, cranberry, and hemp seed oils were extracted with methanol and evaluated for radicalscavenging activities against ABTS Å+ and DPPH Å , chelating activity, oxygen radical absorbing capacity (ORAC), and total phenolic contents (TPC). All the oil extracts had significant antioxidant activities. The ORAC value ranged from 28 to 220 lmol TE/ g oil for the cold-pressed hemp, carrot, and black caraway seed oils, whereas the ABTS Å+ -scavenging capacity ranged 8.9-30.8 lmol TE/g oil for the four cold-pressed edible seed oils. The greatest TPC, 3.53 mg gallic acid equivalent (GE) per gramme of oil, was detected in the cold-pressed black caraway seed oil extract, while the lowest TPC, 0.44 mg GE/g, was observed in the cold-pressed hemp seed oil extract. In addition, methanol extracts of the cold-pressed black caraway and cranberry seed oils were evaluated for their inhibitory capacities on human LDL oxidation by measuring the reduction of the thiobarbituric acid-reactive substance production (TBARS). Both oil extracts significantly suppressed the lipid peroxidation in human LDL, with TBARS reductions of 2.84 and 3.77 mg/g for cranberry and black caraway se

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Author

Liangli Lucy Yu; Kequan Kevin Zhou; John Parry

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0308-8146)

Published

2005

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)