Journal article

Antioxidant properties of the methanol extracts of leaf, stem, fruit and seed of Nigerian Harungana madagascariensis, an Hypericaceae (Gutiferae).


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Publication Details

Author list: Moronkola, D. O.; Yeboah, S. O.; Majinda, R. R. T.; Yeboah, E.; Fru, C. G.; Osamudiamen, P. M.

Publication year: 2018

Journal acronym: EJPMR

Volume number: 5

Issue number: 9

Start page: 123

End page: 127

Number of pages: 5

ISSN: 2394-3211

URL: https://www.researchgate.net/profile/Runner-Majinda/publication/328282996_Antioxidant_properties_of_the_methanol_extract_of_leaf_stem_fruit_and_seed_of_Nigerian_Harungana_madagascariensis_an_hypericaceae_Gutiferae/links/5bc47c33458515a7a9e7e8d7/Antioxidant-properties-of-the-methanol-extract-of-leaf-stem-fruit-and-seed-of-Nigerian-Harungana-madagascariensis-an-hypericaceae-Gutiferae.pdf

Languages: English



The leaf, stem, fruit and seed of Nigerian Harungana madagascariensis (an Hypericaceae), were exhaustively
extracted with methanol to obtain their methanol extracts designated as MHmL, MHmSt, MHmF and MHmSd
respectively. The extracts were subjected to assessment of their antioxidant activity using 2,2-diphenyl-1-picryl
hydrazyl (DPPH), while Vitamin C, Vitamin E and Butylated hydroxyl anisole (BHA) were used as standards. The
four methanol extracts displayed higher antioxidant activity than Vit E., while the stem methanol extract (MHmSt),
showed the highest antioxidant activity (IC50 = 0.0250 (mg/mL) among the four. These results provide substantial
basis for the ethno-medicinal applications of the plant. The long-term aim of our present research seeks at
discovering new natural antioxidant compounds from this highly ethno-medicinally utilized plant.
KEYWORDS: Harungana madagascariensis, Hypericaceae, Antioxidant, DPPH.


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Last updated on 2022-29-11 at 11:33