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Browsing Department of Chemistry by Author "Opoku-Boahen, Y."

Now showing items 1-7 of 7

Antioxidant activity and the estimation of total phenolic and flavonoid contents of the root extract of Amaranthus spinosus

Barku, V. Y. A.; Opoku-Boahen, Y.; Owusu-Ansah, E.; Mensah, E. F. (University of Cape Coast, 2013)

Amaranthus spinosus (204.84g) roots were extracted successively with petroleum ether (80-100 and methanol by Soxhlet process. All the extracts were subjected to Total phenolic content, Total flavonoid content and antioxidant ...
Characterization of fatty acids in the roots of Cryptolepis sanguinolenta

Opoku-Boahen, Y.; Barku, V. Y. Atsu; Dobson, Andrew (University of Cape Coast, 2011)

The roots of Cryptolepis saguinolenta were extracted with petroleum ether (40–60C) to afford the oil in 0.7% yield to the wet mass of raw material. The fatty acid methyl esters (FAME) were separated and analyzed by GC-MS. ...
Investigation of cucumeropsis mannii n. seed oil as potential biodiesel feedstock

Opoku-Boahen, Y.; Clemente, R.; Wubah, D. (University of Cape Coast, 2013)

Biodiesels fuels are being explored worldwide as alternatives for fossil fuels. The seeds of “Werewere” (Cucumeropsis mannii N., Cucurbitaceae) a fruit vegetable plant in Ghana with high oil content were analyzed for their ...
Isolation and pharmacological activities of alkaloids from Cryptolepis sanguinolenta (Lindl) schlt

Barku, V.Y.A.; Opoku-Boahen, Y.; Dzotsi, E. Y. (University of Cape Coast, 2012)

Cryptolepis sanguinolenta (Lindl.) Schlt. (Periplocaceae) is a very useful medicinal plant whose aqueous decoction (prepared by Centre for Scientific and Industrial Research Into Plant Medicines- Mampong Akwapim, Ghana) ...
ISOLATION OF ent-LABDANE (+)-12,15-EPOXYLABDA-8(17), 12,14-TRIEN-16-YL ACETATE FROM THE SEEDS OF Turraeanthus africanus AND ITS CYTOSTATIC/CYTOTOXIC EFFECT ON THE GROWTH OF CANCER CELLS in vitro

Tayman, F. S.; Barku, V. Y. Atsu; Opoku-Boahen, Y.; Seifert, K.; Grote, D. (University of Cape Coast, 2006)

(+)-12,15-Epoxylabda-8(17),12,14-trien-16-yl acetate has been isolated from the seed kernels of Turraeanthus africanus (Nelw. ex DC). The stereo structure was confirmed by 1D- and 2D-NMR spectroscopy. Cytostatic/cytotoxic ...
Physicochemical characterization of traditional Ghanaian cooking oils, derived from seeds of Egusi (Citrullus colocynthis) and Werewere (Cucumeropsis manni)

Opoku-Boahen, Y.; Novick, B. D.; Wubah, D. (University of Cape Coast, 2013)

Traditional vegetable oils derived from Egusi (Citrullus colocynthis) and Werewere (Cucumeropsis manni) could prove to be an important commodity for Ghanaians, serving as a potential alternative source of common cooking ...
The quality and infrared determination of trans-fatty acid contents in some edible vegetable oils

Opoku-Boahen, Y.; Azumah, Sampson; Apanyin, Salomey; Novick, B. D.; Wubah, D. (University of Cape Coast, 2012)

The analysis of some edible vegetable oils available in the Cape Coast metropolis in Ghana has been carried out by physical and chemical methods quality determination and comparative analysis. The parameters investigated ...

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