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- Publications
- Influence
Phytoconstituents from Alpinia purpurata and their in vitro inhibitory activity against Mycobacterium tuberculosis
- Oliver B. Villaflores, A. Macabeo, D. Gehle, K. Krohn, S. Franzblau, A. M. Aguinaldo
- Chemistry, Medicine
- Pharmacognosy magazine
- 1 September 2009
Alpinia purpurata or red ginger was studied for its phytochemical constituents as part of our growing interest on Philippine Zingiberaceae plants that may exhibit antimycobacterial activity. The… Expand
Antitubercular and Cytotoxic Chlorinated seco-Cyclohexenes from Uvaria alba.
- A. Macabeo, Arianne G Letada, +6 authors M. Garson
- Biology, Medicine
- Journal of natural products
- 27 November 2017
Two new chlorine-containing polyoxygenated seco-cyclohexenes, albanols A (1) and B (2), along with the oxepinone metabolite grandiuvarone (3) were isolated from the endemic Philippine Annonaceae… Expand
Antitubercular constituents from Premna odorata Blanco.
- Stephen B Lirio, A. Macabeo, +5 authors Ma Alicia M Aguinaldo
- Chemistry, Medicine
- Journal of ethnopharmacology
- 11 June 2014
ETHNOPHARMACOLOGICAL RELEVANCE
Premna odorata Blanco (Lamiaceae) is a medicinal plant traditionally used in Albay Province, in southeastern Luzon, Philippines to treat tuberculosis. This study aimed… Expand
Indole alkaloids from the leaves of Philippine Alstonia scholaris.
- A. Macabeo, K. Krohn, +5 authors A. M. Aguinaldo
- Chemistry, Medicine
- Phytochemistry
- 1 May 2005
The first seco-uleine alkaloids, manilamine (1) (18-hydroxy-19,20-dehydro-7,21-seco-uleine) and N4-methyl angustilobine B (2), were isolated from the (pH 5) alkaloid extract of Philippine Alstonia… Expand
Mycobacterium tuberculosis and cholinesterase inhibitors from Voacanga globosa.
- A. Macabeo, Warren S. Vidar, +7 authors G. Cordell
- Chemistry, Medicine
- European journal of medicinal chemistry
- 1 July 2011
Globospiramine (1), a new spirobisindole alkaloid possessing an Aspidosperma-Aspidosperma skeleton, together with deoxyvobtusine (2), deoxyvobtusine lactone (3), vobtusine lactone (4) and lupeol (5),… Expand
Tetrahydroxanthene-1,3(2H)-dione derivatives from Uvaria valderramensis.
- A. Macabeo, Franze Perry A Martinez, +8 authors S. Franzblau
- Chemistry, Medicine
- Journal of natural products
- 5 November 2014
Two tetrahydroxanthene-1,3(2H)-dione metabolites, valderramenols A (1) and B (2), were isolated from the Philippine endemic Annonaceous species Uvaria valderramensis. Planar structures of the… Expand
Antitubercular activity of the semi-polar extractives of Uvaria rufa.
- A. Macabeo, Florie A. Tudla, K. Krohn, S. Franzblau
- Chemistry, Medicine
- Asian Pacific journal of tropical medicine
- 1 October 2012
OBJECTIVE
To investigate the inhibitory activity of the chloroform extract, petroleum ether and chloroform sub-extracts, lead-acetate treated chloroform extract, fractions and secondary metabolites… Expand
Polyoxygenated seco-cyclohexenes and other constituents from Uvaria valderramensis
- A. Macabeo, P. Y. M. Rubio, +5 authors G. D. Alejandro
- Biology
- 1 April 2017
Abstract Phytochemical study on the Philippine endemic Annonaceae plant Uvaria valderramensis afforded a new highly oxygenated seco -cyclohexene derivative, valderepoxide ( 1 ), along with the six… Expand
Glucosides from the unripe fruit juice of Carica papaya Linn. (Caricaceae) cultivar ‘Red Lady’ with antioxidant activity
- Mary Grace M. Galang, A. Macabeo, Wei-Chung Chang, M. Isobe, Ma. Alicia M. Aguinaldo
- Chemistry
- 1 April 2016
Abstract Natural antioxidants from Carica papaya (‘Red Lady’ cultivar) were investigated. Reversed phase chromatography of the fruit juice gave 12 fractions that were subjected to DPPH and hydroxyl… Expand
Sterols and triterpenes from the non-polar antitubercular fraction of Abutilon indicum
- A. Macabeo, C. Lee
- Chemistry
- 13 June 2014
Introduction: Abutilon indicum Sweet (Malvaceae) is used in Filipino folk medicine as demulcent, diuretic, sedative, aphrodisiac and antidiabetic remedy. It is also effective in the treatment of… Expand