Prof. Helen Marjorie Jacobs

Research Interests

• Natural products from selected species of the endemic Jamaica flora

Citations

Book, Chapter

• Lewis, P. A., Vaidya, Kisan R., Jacobs, Helen M., Williams, L.A.D.. The Botany and domestication potential of Cionosicyoa pomiformis Griseb ('Duppy Pumkin') [Abstract only]
• McAnuff, M., Asemota, Helen N., Anderson, N.M., Harding, Wayne W., Jacobs, Helen M. . Isolation and characterization of some natural products from Jamaican bitter yam, Dioscorea Dumentorum
• Jacobs, Helen M.. Natural products from selected species of the endemic Jamaican flora
• McAnuff, M., Omoruyi, Felix O., Harding, Wayne W., Wheatley, Andrew O., Anderson, N.M., Jacobs, Helen M., Morrison, Errol Y. , Asemota, Helen N.. Jamaican yams: Nature's own medicine [Abstract only]
• Omoruyi, Felix O., Dilworth, Lowell L., Asemota, Helen N., Jacobs, Helen M., Morrison, Errol Y. . Effect of cooking on phytic acid levels in some Caribbean tuber crops [Abstract only]
• McAnuff, M., Asemota, Helen N., Anderson, N.M., Harding, Wayne W., Jacobs, Helen M.. Isolation and characterization of steroidal sapogenins from the Jamaican bitter yam

Journal, Article

• Henry, G.E, Adams, L.S, Rosales, J.C, Jacobs, H, Heber, D, Seeram, N.P. Kaurene diterpenes from Laetia thamnia inhibit the growth of human cancer cells in vitro
• McAnuff, M. A. , Harding, Wayne W. , Omoruyi, F. O. , Jacobs, Helen , Morrison, E. Y. , Asemota, Helen N. Hypoglycemic effects of steroidal sapogenins isolated from Jamaican bitter yam, Dioscorea polygonoides
• Henry, G.,, Jacobs, Helen M., Carrington, C. M., McLean, Stewart, Reynolds, W.. Plukenetione A: An unusual Adamantyl Ketone from Clusia plukenetii (Guttiferae)
• Simpson, Denise S., Jacobs, Helen M.. Alkaloids and coumarins from Esenbeckia pentaphylla (Rutaceae)
• Reynolds, William F., McLean, Stewart, Jacobs, Helen M., Harding, Wayne W.. 13C and 1H spectral assignment for polyprenol-12 using high resolution 13C-Detected 13C-1H shift correlation sequences in combination with a microprbe
• Sadler-McKnight, N.,, Jacobs, Helen M.. Application of the Folin-Ciocalteau reagent to the determination of salbutamol in pharmaceutical preparations
• Seeram, N.,, Lewis, P.A., Jacobs, Helen M., McLean, Stewart, Reynolds, W., Tay, L., Yu, M.. 3,4-Epoxy-8,9-dihydropiplartine: A new imide from Piper verrucosum
• Harding, Wayne W.,, Lewis, P.A., Jacobs, Helen M., McLean, Stewart, Reynolds, W., Tay, L., Yang, Ji-Ping. Glabrescol: A unique squalene-derived penta-THF diol from Spathelia glabrescens (Rutaceae)
• Henry, G.,, Jacobs, Helen M., McLean, Stewart, Reynolds, W., Yang, Ji-Ping. Xerophenones A and B: New isoprenylated derivatives of 11-oxatricyclo[4.3.1.1 4,10]undecane-7,9-dione from Clusia portlandiana (Guttiferae)
• Jacobs, Helen M.. Comparative phytochemistry of Picramnia and Alvaradoa, genera of the newly established family picramniaceae
• Reynolds, William F., McLean, Stewart, Burke, Sharon J., Jacobs, Helen M.. Spectral assignments and reference data: Identification and complete 1H and 13C spectral assignments for the triterpene fern-9(11)-en-28-oic acid
• Seeram, N. P. , Lewis, Andrew W. , Jacobs, Helen M., Nair, M. G. , McLean, Stewart, Reynolds, William F. . Proctoriones A-C: 2-acylcyclohexane-1,3-dione derivatives from Peperomia proctorii
• McLean, Stewart, Reynolds, W., Yang, Ji-Ping, Jacobs, Helen M., Jean-Pierre, L.L.. Total assignment of the 1H and 13C chemical shifts for a mixture of cis- and trans-p-Hyroxycinnamoyl Ester of taraxerol with the aid of high-resolution, 13C-detected, 13C-1H shift correlation spectra
• Grossman, R. B., Jacobs, Helen M.. On the structures of plukenetiones, B, D, and E and their relationships to other polycyclic polyprenylated acylphloroglucinols
• Henry, Geneive E., Jacobs, Helen M.. A short synthesis of 5-methoxy-2,2-dimethyl-2H-1-benzopyran-6-propanoic acid methyl ester
• Harding, Wayne W., Simpson, Denise S., Jacobs, Helen M., McLean, Stewart, Reynolds, William F.. A new squalene-derived epoxy tri-THF diol from Spathelia glabrescens
• Harding, Wayne W., Jacobs, Helen M., McLean, Stewart, Reynolds, William F.. Structural and 1H and 13C analysis of two new glabretal triterpenoids derivatives from Guarea jamaicensis
• Harding, Wayne W., Jacobs, Helen M., Lewis, P. A., McLean, Stewart, Reynolds, William F.. Cycloartanes, protolimonoids, a pregnane and a new ergostane from Trichilia reticulata
• Henry, Geneive E., Jacobs, Helen M., Carrington, C. M., McLean, Stewart, Reynolds, William F.. Prenylated benzophenone derivatives from Caribbean Clusia species (Guttiferae). Plukenetiones B-G and Xerophenone A
• Jacobs, Helen M., Seeram, N. P., Nair, M. G., Reynolds, William F., McLean, Stewart. Amides of Piper amalago var. nigrinodum
• Harding, Wayne W., Henry, Geneive E., Lewis, P. A., Jacobs, Helen M., Mclean, Stewart, Reynolds, William F.. Alvaradions A-D. Anthracenone C Arabinosides from Alvaradoa jamaicensis
• Christian, Omar E., Henry, Geneive E., Jacobs, Helen M., Mclean, Stewart, Reynolds, William F.. Prenylated benzophenone derivatives from Clusia havetiodes var. stenocarpa
• Denton, Richard W., Harding, Wayne W., Anderson, Chadwick I., Jacobs, Helen M., McLean, Stewart, Reynolds, William F.. New diterpenes from Jatropha divaricata
• Asemota, Helen N., Omoruyi, Felix O., McAnuff, Marie, Dilworth, Lowell L., McFarlane-Anderson, Norma, Morrison, Errol Y., Harding, Wayne W., Jacobs, Helen M., Ahmad, Mohammed H.. Analyses of natural products in Jamaican tuber crops: The need for biotechnological exploitation
• Jacobs, Helen, Simpson, D.S, Reynolds, W.F. Quassinoids and a coumarin from Castela macrophylla (Simaroubaceae)
• Morimoto, Yoshiki, Takaishi, Mamoru, Iwai, Toshiyuki, Kinoshita, Takamasa, Jacobs, Helen M.. Complete assignment of the stereostructure of a new squalene-derived epoxy tri-THF diol from Spathelia glabrescens by total synthesis
• Seeram, N. P., Jacobs, Helen M., Mclean, Stewart, Reynolds, William F.. A prenylated benzopyran derivative from Peperomia clusiifolia
• Seeram, N.,, Jacobs, Helen M., McLean, Stewart, Reynolds, W.. Prenylated hydroxybenzoic acid derivatives from Piper murrayanum
• Jacobs, Helen M.. 1H and 13 Chemical shifts for a mixture of cis- and trans-p-hydroxycinnamoyl esters of taraxerol with the aid of high-resolution, 13C-1H shift correlation spectra
• Burke, S.J., Jacobs, Helen M. , McLean, Stewart, Reynolds, Williams F.. Structural and spectral assignment by 2D NMR of a new prenylated benzopyrancarboxylic acid and structural reassignment of a related compound

Conference Proceedings

• Dilworth, Lowell L., Omoruyi, Felix O., Jacobs, Helen M., Morrison, Errol Y., Asemota, Helen N.. Anti-nutritional factors and mineral contents in some Caribbean tuber crops: Effects of processing
• Simpson, Denise S., Jacobs, Helen M.. Determination of the minimum energy comformation of glabrescol by molecular modeling
• Anderson, Chadwick I., Jacobs, Helen M., Reynolds, Williams F.. Indole alkaloids from psychotria corymbosa [Abstract]
• Christian, O.E., Jacobs, Helen M., Reynolds, Williams F., Grossman, R.B., Parkin, S.. New prenylated benzophenones from Hypericum hypericoides