Organizing co mmittee

2
), kaempferol (
3
), quercetin (
4
), isorhamnetin (
5
), isorhamnetin 3-
O
-

-glucopyranoside (
6
), isoquercetin (
7
) and rutin (
8
). 
The chemical structure of the isolated compounds was established based on the study 
of UV, IR, 
1
H, 
13
C NMR spectra data and using DEPT, HSQC, HMBC, COSY 
experiments as well as direct comparison with authentic samples of substances. 

---

Poster presentation 
108 
PHENOLIC COMPOUNDS OF THE AERIAL PART OF 
Pelargonium hortorum 
 
D.R. Siddikov, A.A. Ganiev, Kh.M. Bobakulov, Sh.K. Khidoyatova,
S.Z. Nishanbaev 
 
S.Yu. Yunusov Institute of the Chemistry of Plant Substances Academy of sciences of the 
Republic of Uzbekistan st. Mirzo-Ulugbek, 77, 100170 Tashkent 
e-mail: [e-mail] 
Pelargonium hortorum
L.H. Bailey (garden pelargonium) is a perennial herbaceous 
plant of the 
Geraniaceae
family. Homeland of plant is the southeastern and southern 
regions of South Africa, this plant does not grow in Uzbekistan, but is currently widely 
cultivated. The purpose of our research was to study the chemical composition of 
P. 
hortorum
cultivated in Tashkent (Uzbekistan). 
Air-dried aerial part of a 
P. hortorum
plant, collected in the flowering phase in 
November 2020, five times extracted at room temperature with 70% ethanol. The 
combined hydro-alcoholic extract was concentrated in vacuo, diluted with water and 
extracted successively with gasoline, chloroform, ethyl acetate and 
n
-butanol. 
The 
n
-butanol fraction (30.0 g) was chromatographed on a column (4 × 135 cm) with 
silica gel in a chloroform-methanol (40:1-1:10) gradient system of solvents, the volume 
of fractions was 50 ml. Rechromatography of individual eluates on Sephadex LH-20 in 
an ethanol-water gradient system were isolated nine individual phenolic compounds: 
ethyl gallate (