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Antioxidant properties of different extracts from five medicinal plants [electronic resource].

By:

Abo El-Maati, Mohamed F

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Language: English Summary language: Arabic Description: p.675-687Other title:

الخصائص المختلفة لمستخلصات خمس نباتات طبية كمضادات للأكسدة [Added title page title]

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Zagazig journal of agricultural research, 2012 v. 39 (4) [electronic resource].

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In: Zagazig Journal of Agricultural Research 2012.v.39(4)Summary: Different extracts from five medicinal plants in terms of phenolic compounds and antioxidant properties were studied. By using four solvents, twenty extracts of the tested plants [clove (Syzygium aromaticum), rosemary (Rosmarinus oficinalis), thyme (Thymus vulgaris), sweet marjoram (Origanum majorana) and ginger (Alpinia zerumbet)] were obtained. Total phenolic compounds and total flavonoids were measured using Folin-Ciocalteu reagent and AlCl3 respectively. In addition, total antioxidant capacity of the extracts was estimated by different methods including: DPPH (1,1diphenyl- 2 picrylhydrazyl radical), ABTS'+ (2, 2' azino bis-(3-ethylbenzthiazoline-6-sulfonic acid), and B-Carotene/linoleic bleaching test.

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Different extracts from five medicinal plants in terms of phenolic compounds and antioxidant properties were studied. By using four solvents, twenty extracts of the tested plants [clove (Syzygium aromaticum), rosemary (Rosmarinus oficinalis), thyme (Thymus vulgaris), sweet marjoram (Origanum majorana) and ginger (Alpinia zerumbet)] were obtained. Total phenolic compounds and total flavonoids were measured using Folin-Ciocalteu reagent and AlCl3 respectively. In addition, total antioxidant capacity of the extracts was estimated by different methods including: DPPH (1,1diphenyl- 2 picrylhydrazyl radical), ABTS'+ (2, 2' azino bis-(3-ethylbenzthiazoline-6-sulfonic acid), and B-Carotene/linoleic bleaching test.

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