I. Kostova

发表

Chemical components of Fraxinus species.

I. Kostova, T. Iossifova, 2007, Fitoterapia.

A novel furostanol saponin from Tribulus terrestris of Bulgarian origin.

J. Conrad, I. Klaiber, I. Kostova, 2004, Fitoterapia.

Saponins in Tribulus terrestris – Chemistry and Bioactivity

I. Kostova, D. Dinchev, 2005, Phytochemistry Reviews.

MEASURING PRICE SENSITIVITY Iv . Kostova

I. Kostova, 2022 .

Chemical components of Fraxinus ornus bark — Structure and biological activity

I. Kostova, T. Iossifova, 2002 .

Antioxidative action of the ethanolic extract and some hydroxycoumarins of Fraxinus ornus bark

E. Marinova, I. Kostova, N. Yanishlieva, 1994 .

Bioactive chemical constituents from Smilax excelsa

I. Kostova, B. Mikhova, A. Ivanova, 2010, Chemistry of Natural Compounds.

Antimicrobial and cytotoxic activity of Ruta graveolens.

A. Ivanova, I. Kostova, H. Najdenski, 2005, Fitoterapia.

Antimicrobial properties of some hydroxycoumarins and Fraxinus ornus bark extracts.

I. Kostova, N. Nikolov, L. Chipilska, 1993, Journal of ethnopharmacology.

Alkaloids and Coumarins from Ruta graveolens

A. Ivanova, I. Klaiber, I. Kostova, 1999 .

Two New Sulfated Furostanol Saponins from Tribulus terrestris

A. Ivanova, I. Kostova, V. Dimitrov, 2002, Zeitschrift fur Naturforschung. C, Journal of biosciences.

Screening of some saponins and phenolic components of Tribulus terrestris and Smilax excelsa as MDR modulators.

J. Molnár, I. Ocsovszki, A. Ivanova, 2009, In vivo.

Distribution of steroidal saponins in Tribulus terrestris from different geographical regions.

W. Oleszek, B. Janda, M. Aslani, 2008, Phytochemistry.

Anthraquinone, naphthalene, and naphthoquinone components of Asphodeline lutea

G. Todorova, I. Kostova, I. Lazarova, 2010, Chemistry of Natural Compounds.

Steroidal saponins from Smilax excelsa rhizomes

A. Ivanova, I. Klaiber, I. Kostova, 2009, Natural product research.

Fraxinus ornus L.

I. Kostova, 2001, Fitoterapia.

Effect of a total extract from Fraxinus ornus stem bark and esculin on zymosan- and carrageenan-induced paw oedema in mice.

H. Neychev, I. Kostova, N. Ivanovska, 1995, Journal of ethnopharmacology.

Chemical Composition and Antimicrobial Activity of Wild Garlic Allium ursinum of Bulgarian Origin

A. Ivanova, I. Kostova, H. Najdenski, 2009, Natural product communications.

New furostanol saponins from Smilax aspera L. and their in vitro cytotoxicity.

A. Ivanova, I. Kostova, T. Batsalova, 2011, Fitoterapia.

Epoxyconiferyl alcohol from Fraxinus oxycarpa bark

I. Kostova, T. Iossifova, B. Mikhova, 1995 .

Caffeic acid esters of phenylethanoid glycosides from Fraxinus ornus bark

I. Klaiber, I. Kostova, T. Iossifova, 1999 .

Antifeeding activity of rotenone and some derivatives towards selected insect storage pests

J. Nawrot, I. Kostova, J. Harmatha, 1989 .

Determination of the stereochemistry of rotenoids by1H-NMR spectroscopy in C6D6

I. Kostova, I. Ognyanov, 1986 .

Two acylated monoterpene glucosides from Paeonia peregina

I. Kostova, M. Simeonov, D. Todorova, 1998 .

A monoterpene glucoside from Paeonia peregrina roots

I. Kostova, M. Simeonov, D. Todorova, 1998 .

MDR-reversal activity of chalcones.

J. Molnár, I. Ocsovszki, D. Batovska, 2008, In vivo.

A secoiridoid dilactone fromFraxinus ornus bark

I. Kostova, T. Iossifova, B. Mikhova, 1995 .

Escuside, a new coumarin-secoiridoid from Fraxinus ornus bark.

B. Vogler, I. Kostova, T. Iossifova, 2002, Fitoterapia.

Effect of some hydroxycoumarins on complement-mediated hemolysis in human serum.

I. Kostova, N. Ivanovska, E. Vassileva, 1994, Methods and findings in experimental and clinical pharmacology.

Antimicrobial effects of some hydroxycoumarins and secoiridoids from Fraxinus ornus bark.

I. Kostova, E. Vassileva, A. Ignatova, 1994, Die Pharmazie.

Secoiridoids and hydroxycoumarins in Bulgarian Fraxinus species

I. Kostova, L. Evstatieva, T. Iossifova, 1997 .

Secoiridoid and Phenolic Compounds from Fraxinus ornus

I. Kostova, E. Vassileva, B. Mikhova, 1993 .

A secoiridoid glucoside and a phenolic compound from Fraxinus ornus bark

I. Kostova, T. Iossifova, B. Mikhova, 1993 .

Hydroxycoumarins from Fraxinus ornus Bark.

I. Kostova, 1992, Planta medica.

Volatile Components of Some Rutaceae Species

A. Ivanova, I. Kostova, H. Navas, 2004, Zeitschrift für Naturforschung C - A Journal of Biosciences.

On the water elimination from 12a-OH rotenoids

I. Kostova, H. Budzikiewicz, 1986 .

Mass spectrometric investigation of some [1]benzopyrano[3,4-c]pyrazole and [1]benzopyrano[4,3-d]isoxazole derivatives

I. Kostova, N. Mollova, 1988 .

Mass spectral studies of some rotenoid stereoisomers

I. Kostova, N. Mollova, 1985 .

Preparation and stereochemical characterization of some N-acyl-[1]benzopyrano[3,4-c]pyrazole derivatives from rotenoids

S. Simova, I. Kostova, 1989 .

The electron impact mass spectra of some rotenoid derivatives

I. Kostova, H. Budzikiewicz, I. Ognyanov, 1983 .

Reaction of rotenoids with hydrazine

I. Kostova, N. Spassovska, E. Golovinsky, 1986 .

Preparation and Stereochemistry of 12a-Hydroxymethyl Derivatives of Rotenone and Amorphigenin

I. Kostova, I. Ognyanov, 1983 .

Preparation and Stereochemical Characterization of Some N-Acyl-(1)benzopyrano(3,4-c)pyrazole Derivatives from Rotenoids.

S. Simova, I. Kostova, 1990 .

Reactions of rotenoids with hydroxylamine

I. Kostova, 1988 .

Reaction of Rotenoids with Hydrazine.

I. Kostova, N. Spassovska, E. Golovinsky, 1987 .

Reverse-phase high pressure liquid chromatographic analysis of hydroxycoumarins in plant extracts. Quantitative determination of hydroxycoumarins in Fraxinus ornus

I. Kostova, T. Iossifova, G. Stoev, 1993 .

GC-MS Analysis and Anti-Microbial Activity of Acidic Fractions Obtained from Paeonia peregrina and Paeonia tenuifolia Roots

A. Ivanova, I. Kostova, I. Tsvetkova, 2002, Zeitschrift fur Naturforschung. C, Journal of biosciences.