The inhibitory effect of aroma extracts isolated from clove buds [Syzygium aromaticum (L.) Merr. et Perry] and eucalyptus leaves
(Eucalyptus polyanthemos Schauer) on malonaldehyde (MA) formation from horse blood plasma oxidized with Fenton’s reagent
was determined by gas chromatography. Aroma chemicals such as eugenol, thymol and benzyl alcohol, identified in the aroma
extracts, were examined for their inhibitory effect on the same system. Between the two aroma extracts tested, clove exhibited the
most potent antioxidant activities. Extracts of eucalyptus and clove inhibited MAformation by 23 and 48%, respectively, at the
level of 400 mg/ml, whereas, a-tocopherol and BHT inhibited MAformation by 52 and 70%, respectively, at the same level. Eugenol,
thymol and benzyl alcohol inhibited MAformation by 57, 43 and 32%, respectively, at the level of 400 mg/ml. # 2001 Elsevier
Science Ltd. All rights reserved.
The inhibitory effect of aroma extracts isolated from clove buds [Syzygium aromaticum (L.) Merr. et Perry] and eucalyptus leaves(Eucalyptus polyanthemos Schauer) on malonaldehyde (MA) formation from horse blood plasma oxidized with Fenton’s reagentwas determined by gas chromatography. Aroma chemicals such as eugenol, thymol and benzyl alcohol, identified in the aromaextracts, were examined for their inhibitory effect on the same system. Between the two aroma extracts tested, clove exhibited themost potent antioxidant activities. Extracts of eucalyptus and clove inhibited MAformation by 23 and 48%, respectively, at thelevel of 400 mg/ml, whereas, a-tocopherol and BHT inhibited MAformation by 52 and 70%, respectively, at the same level. Eugenol,thymol and benzyl alcohol inhibited MAformation by 57, 43 and 32%, respectively, at the level of 400 mg/ml. # 2001 ElsevierScience Ltd. All rights reserved.
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