Search Results - "Burandt, C. L"

Antigiardial Activity of Isoflavones from Dalbergia frutescens Bark by Khan, I. A, Avery, M. A, Burandt, C. L, Goins, D. K, Mikell, J. R, Nash, T. E, Azadegan, A, Walker, L. A

“…Several isoflavones [formononetin (1), castanin (5), odoratin (6), glycitein (7), pseudobaptogenin (8), fujikinetin (9), and cuneatin (10)] were isolated from…”
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High yield of podophyllotoxin from leaves of Podophyllum peltatum by in situ conversion of podophyllotoxin 4- O-beta-D-glucopyranoside by Canel, C, Dayan, F E, Ganzera, M, Khan, I A, Rimando, A, Burandt, Jr, C L, Moraes, R M

“…Rehydration of powdered tissues of Podophyllum peltatum L. prior to extraction with an organic solvent allows endogenous beta-glucosidases to hydrolyze lignan…”
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Evaluation of four Narcissus cultivars as potential sources for galanthamine production by Moraes-Cerdeira, R M, Burandt, Jr, C L, Bastos, J K, Nanayakkara, D, Mikell, J, Thurn, J, McChesney, J D

“…Galanthamine, an alkaloid present in the Amaryllidaceae is currently undergoing clinical trials for the treatment of Alzheimer's. Common daffodils, Narcissus…”
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Colonization, extinction and species numbers of vascular plants for the island Gran Roque, Venezuela by Burandt, C.L. Jr, Campins, R.D

“…Records of vascular flora from three expeditions encompassing 107 years are compared for the island Gran Roque, located in the southern Caribbean. The number…”
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Isoflavonoids from Sophora secundiflora, S. arizonica and S. gypsophila by Tanaka, Toshiyuki, Ohyama, Masayosi, Iinuma, Munekazu, Shirataki, Yoshiaki, Komatsu, Manki, Charles L., Burandt

“…Eight new isoflavonoids were isolated from Sophora tetraptera, S. arizonica and S. gypsophila (Leguminosae) Eight new isoflavonoids, secundiflorols G-I and…”
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Flavonoids from the root and stem of Sophora tomentosa by Tanaka, Toshiyuki, Iinuma, Munekazu, Asai, Fujio, Ohyama, Masayosi, Burandt, Charles L.

“…Five new flavonoids, tomentosanols A-E, were isolated from Sophora tomentosa in addition to 15 known flavonoids. From the root and the stem of Sophora…”
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Phenolic Compounds Isolated from the Roots of Sophora stenophylla by OHYAMA, Masayoshi, TANAKA, Toshiyuki, IINUMA, Munekazu, BURANDT, Charles L.

“…A new prenylated flavanone glucoside (sophoraflavanone I 7-O-β-glucopyranoside) and three new resveratrol oligomers, stenopyllols A-C, were isolated from the…”
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Isoflavonoids in roots of Sophora secundiflora by Iinuma, Muneakazu, Ohyama, Masayoshi, Tanaka, Toshiyuki, Shirataki, Yoshiaki, Burandt, Charles L.

“…From the roots of Sophora secundiflora, three new isoflavonoids, secundiflorols A-C, were isolated in addition to 10 known flavonoids. The structures were…”
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A monograph of Sida sect. Oligandrae (Malvaceae) by Burandt, C.L. Jr. (Texas AandI University, Kingsville, TX)

“…Sida sect. Oligandrae, a group endemic to the South American Andes, is reviewed and found to comprise only four species. These are well delineated by their…”
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A reappraisal of Abutilon reflexum (Malvaceae) and its allies by Burandt, C.L. Jr. (Texas AandI University, Kingsville, TX), Fryxell, P.A

“…The present study treats a group of species of Abutilon, characterized by red reflexed petals, that occurs in northwestern South America. A key to the four…”
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Syncarpamide, a new antiplasmodial (+)-norepinephrine derivative from Zanthoxylum syncarpum by Ross, S.A, Sultana, G.N.N, Burandt, C.L, ElSohly, M.A, Marais, J.P.J, Ferreira, D

“…A new (+)-norepinephrine derivative, syncarpamide (1), along with a known coumarin, (+)-S-marmesin (2), and one known alkaloid, decarine (3), have been…”
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Alkamides from the Leaves of Zanthoxylum syncarpum by Ross, S.A, Al-Azeib, M.A, Krishnaveni, K.S, Fronczek, F.R, Burandt, C.L

“…Three alkamides (1-3) were isolated from the leaves of Zanthoxylum syncarpum. The structures of the new compounds 1 and 2 were established by spectroscopic…”
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Quantitation of aryltetralin lignans in plants parts and among different populations of Podophyllum peltatum by reversed-phase high-performance liquid chromatography by BASTOS, J. K, BURANDT, C. L, DHAMMIKA NANAYAKKARA, N. P, BRYANT, L, MCCHESNEY, J. D

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Flavonoids with activity against methicillin-resistant Staphylococcus aureus from Dalea scandens var. paucifolia by Nanayakkara, N P Dhammika, Burandt, Jr, Charles L, Jacob, Melissa R

“…Bioassay-guided fractionation of the ethyl acetate extract of the roots of Dalea scandens (Miller) R. Clausen var. paucifolia led to the isolation of new…”
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A rapid quantitative method for the analysis of galanthamine and other amaryllidacea alkaloids by capillary column gas chromatography by BASTOS, J. K, XU, L, NANAYAKLARA, D, BURANDT, C. L, MORAES-CERDEIRA, R. M, MCCHESNEY, J. D

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Davidiol D, first naturally occurring resveratrol pentamer isolated from Sophora davidii by Ohyama, Masayoshi, Ichise, Michie, Tanaka, Toshiyuki, Iinuma, Munekazu, Burandt, Charles L.

“…Davidiol D isolated from the roots of Sophora davidii was the first natural instance of a resveratrol pentamer. The structure and relative configuration were…”
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Quantitation of Aryltetralin Lignans in Plant Parts and among Different Populations of Podophyllum peltatum by Reversed-Phase High-Performance Liquid Chromatography by Bastos, Jairo K, Burandt, Charles L, Nanayakkara, N. P. Dhammika, Bryant, Laura, McChesney, James D

“…A simple procedure for the extraction of aryltetralin lignans from Podophyllum peltatum with addition of an internal standard (acetylpodophyllotoxin) was…”
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A Rapid Quantitative Method for the Analysis of Galanthamine and Other Amaryllidaceae Alkaloids by Capillary Column Gas Chromatography by Bastos, Jairo K, Xu, Li, Dhammika Nanayakkara, N. P, Burandt, Charles L, Moraes-Cerdeira, Rita M, McChesney, James D

“…A rapid and sensitive capillary column gas chromatographic method for the identification and quantification of Amaryllidaceae alkaloids is reported…”
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Qualitative and Quantitative High Performance Liquid Chromatographic Analysis of Quassinoids in Simaroubaceae Plants by Dou, Jinhui, Khan, Ikhlas A., McChesney, James D., Burandt, Jr, Charles L.

“…A convenient and reliable reversed phase high performance liquid chromatography method was developed using a phenyl column and gradient elution for the…”
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