- Ameyaw, Y., Akotoye, H. K., Pappoe, A.N.M. and Eyiah-Bediako, E (2007). Establishing the degree of relationship in Cryptolepis sanguinolenta (Lindl.) Schter., an antimalaria plant, using cluster analysis. Asian Journal of Chemistry,19( 2): 2698-2710.
- Ameyaw, Y., Akotoye, H. K., Pappoe, A.N.M. and Eyiah-Bediako, E (2007). Assessment of variation in Cryptolepis sanguinolenta (Lindl.) Schter., an antimalaria plant of the family periplocaeae, using principal component analysis. Asian Journal of Chemistry, 1( 2): 1110-1124.
- Ameyaw, Y., Akotoye, H. K., Pappoe, A.N.M., Dampare, S.B., Adomako, Opoku
Boahen, Y. and Owusu-Ansah, E. (2006). Determinant of the alkaloidal levels in Cryptolepis sanguinolenta (Lindl.) Schter.. Asian Journal of Chemistry, 18( 2): 1007-1012.
- Ameyaw, Y., Dampare, S.B., Adotey, D. K., Osae, S., Senfor-Armah, Y., Nyarko, B. J. B. and Adomako, D. (2005). Seasonal trend of potentially toxic trace elements in soils supporting medicinal plants in the Eastern Region of Ghana. Journal of Water, Air and Soil Pollution, 169(1-4): 185 - 206.
- Y. Ameyaw and E. Owusu-Ansah, (2005): Morphological studies of two plant species used in ethnomedicine. Published online http//www.google.com in Journal of Ethnobotanical leaflets, USA.
- Ameyaw, Y., Dampare, S.B., Adotey, D.K., Osae, S., Senfor-Armah, Y., Nyarko, B.J.B. and Adomako, D., (2005): Seasonal trends of potentially toxic trace elements in soils supporting medicinal plants in the Eastern Region of Ghana. Journal of Water, Air and Soil Pollution, Netherlands. Vol. 169, issue 1-4, pp. 185-206.
- Y. Ameyaw and I Ampaw, (2005): Healing and Recovery ability of harvested stem bark of a medicinal plant, senegalensis (Desr.) A. Juss., in a cultivated arboraretum in the Greater Accra Region of Ghana. Published online http//www.google.com in Journal of Ethnobotanical Leaflets, USA.
- Owusu-Ansah, E., Pappoe, A.N.M. and Ameyaw, Y. (2005): The use of starch extract from Colocasia esculenta (Taro) and Xanthosoma sagitifolium (tannia) for pharmaceutical preparations. Asian Journal of Chemistry, 17(4): 2753-2756.
- Agboadaze, D., Nmai, P.N.A., Robertson, F.C., Yeboah-Manu, D., Owusu-Darko, K., and Addo, K.K., (2005): Microbiological Quality of "Khebab" consumed in the Accra Metropolis. Ghana Medical Journal. 39(2): 46-49.
- Ameyaw, Y., Duker-Eshun, G., Mills-Robertson, F.C., (2005): Assessment of variation in some medicinal plant species envisaged of having the potential for the preservation of herbal products using some statistical models. Online http//www.google.com in Journal of Ethnobotanical leaflets.
- Y. Ameyaw, F.A. Aboagye, A.A. Appiah and H.R. Blagogee, (2005): Quality and harvesting specifications of some medicinal plant parts set up by some herbalists in the Eastern Region of Ghana. Online http//www.google.com in Journal of Ethnobotanical Leaflets, USA.
- Nyarko, A.K., Okine, L.K.N., Wedzi, R.K., Addo, P.A. and Ofosuhene, M. (2005): Subchronic toxicity studies of the antidiabetic preparation ADD-199bin the rat: Absence of organ specific toxicity and modulation of Cytochrome P-450. J. Ethnopharmacology 97: 31-38.
- Okine, L.K.N., Nyarko, A.K., Oppong, I.V., Osei-Kwabena, N., Barnes, F. and
Ofosuhene, M. (2005): The antidiabetic activity of the herabal preparation ADD-
199 in mice: A comparative study with two oral hypoglycaemic drugs. J.
Ethnopharmacology 97: 31-38.
- Okine, L.K.N., Armah, G.E., Awumbila, B., Martey, O.N.K. and Ofosuhene, M. (2004): Acute and sub-chronic toxicity studies of ADD-203, a fermented ground seed extract of Cassia occidentalis, in male Sprague -Dawley rats. Journal of the Ghana Science Association. 6 (2): 30-38.
- Okine, L.K.N., Akuamoah, R.K., Gbewonyo, W.S.K., Eli, K.A. and Aidoo, E., (2004): Antimicrobial activity and chemical constituent profile of neem seed oil on storage: Protective effects of vitamin E and lecithin. Journal of the Ghana Science Association. 6 (2): 15-29.
- Singh, I.M., Singh, S., Mills-Robertson, F., McMurphy, M.A., Applegate, R.D., Crupper, S. S., (2004): Antibiotic susceptibility of Edwardsiella hoshinae isolated from northern bobwhite quail (Colinus virginianus). The Veterinary Record. 155: 29.
- George Duker-Eshun, Jerzy W. Jaroszewski, William A. Asomaning, Francis Oppong-Boachie and S.Brogger Christensen (2004): Antiplasmodial Constituents of Cajanus cajan. Phytotherapy Research. 18: 128-130.
- Nyarko, A.K., Asiedu-Larbi, J., Ofosuhene, Asare-Anane M., Addy, Marian E., (2003): Serum Lipids and Antiioxidants in Ghanaian Diabetic, Hypertensive and Healthy Subjects. Ghana Medical Journal 37 (2): 72-82
- Mills-Robertson, F.C., Addy, M.E., Mensah, P.A., Crupper, S., (2003): Antibiotic Resistance and Genotyping of Clinical Group B Salmonella isolated in Accra, Ghana. Journal of Applied Microbiology, 92: 289-294.
- Mills-Robertson, F.C., Addy, M.E., Newman, M., Mensah, P.A., (2003): Multiple resistant Salmonella in Accra, Ghana. Ghana Medical Journal. 37 (4): 165-169.
- Ziegler, H.L., Jensen, T.H., Christensen,J., Staerk, D., Hagerstrand,H., Sittie, A.A., Olsen, C.E., Staalso,T., Ekpe, P., and Jaroszewski, J.W. (2002): Possible Artefacts in the in vitro Determination of Antimalarial activity of Natural Products that Incorporate into Lipid Bilayer: Apparent Antiplasmodial Activity of Dehydroabietinol, a Constituent of Hyptis suaveolens. Planta Medica 68: 547-549
- Ziegler, H.L., Staerk, D., Christensen,J., Olsen, C.E., Sittie, A.A., and Jaroszewski,J.W. (2002): New Dammarane and Malabaricane Triterpenes from Caloncoba echinata. Journal of Natural Products. 65: 1764-1768
- Ballin, N.Z., Traore,M., Tinto, H., Sittie, A., Molgaard, P., Olsen, C.E., Kharazmi, A., and Christensen, S.B. (2002): Antiplasmodial Compounds from Cochlospermum tinctorium. Journal of Natural Products. 65: 1325-1327.
- Duker-Eshun, G., Oppong-Boachie, F.K. et al (2002): Antiplasmodial Activity of Labdanes from Aframomum latifolium and Aframomum sceptrum. Plant Medica. 68: 642-644
- Mills-Robertson, F.C., Addy, M.E., Mensah, P.A., Crupper, S. (2002): Molecular Characterization of antibiotic-resistance in clinical Salmonella typhi isolated in Ghana . FEMS Microbial Letters 215: 259-253.
- Serfor-Armah, Y., Oppong-Boachie, F.K., et al (2001): Activation Analysis of Some Essential Elements in Five Plant Medicines used in Ghana. Journal of Radioanalytical & Nuclear Chemistry. 250 (1): 173-176
- Aboagye, F.A. et al. (2000): Julocratine, a glutarimide alkaloid from Croton membranaceus. Fitoterapia . 71: 461-462
- Gyamfi, M.A., Oppong-Boachie, F.K. et al. (2000): Inhibitory Effects of the Medicinal Herb Thonningia sanguinea, on Liver Drug Metabolizing enzymes of Rats. Human & Envionmental Toxicology. 19: 623-631
- Ameyaw, Y. and H.K. Akotoye, (Accepted for Publication): The impact of pH and soil nutrients on the total alkaloid content of Cryptolepis sanguinolenta (Lindl) Schtr. Script No. BBRA 455/2007, Biosciences, Biotechnology Research, Asia, Oriental Scientific Publishing Co., Vol. 4, No. 4, India.
- Ameyaw, Y. and H.K. Akotoye, (Accepted for Publication): Leaf epidermal studies of some medicinal plant species of the family Annonaceae in the Pra - Suhien Forest in the Central Region of Ghana. Script No. BBRA 451/2007, Biosciences, Biotechnology Research, Asia, Oriental Scientific Publishing Co., Vol. 4, No. 4, India.
- Ameyaw, Y. and H.K. Akotoye, (Accepted for Publication): Monograph preparation of some solanaceous plants used in ethnomedicine in Ghana. Manuscript No. ENVR167, The Environmental, Netherlands.
- Yaw Adusi-Poku, Archibald Sittie, Merlin L.K. Mensah, Kwame Sarpong, Theophilus C. Fleischer, Theophilus C. Ankrah and Dominic Nsiah (2008): Effectiveness and Safety Assessment of Mist Tonica, a Herbal Haematinic. Afr. J. Trad. CAM 5(2) (In Press).
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