The structures were determined by means of co-chromatography, UV, HPLC, EI-MS, FAB-MS and 1H NMR.
📌 3 Maddede Bu Makale
🎯
Amaç & Hipotez:Three new flavanone glycosides, naringenin 4'-O-b-D-glucuronopyranoside, naringenin 4'-O-a-L rham\-nopyranoside and naringenin 4'-O-b-D-xylopyranoside, were characterized from the leaves of Impatiens bicolor, together with 6 known glycosides: naringenin 4'-O-b-D-glucopyranoside, kaempferol 7-O-b-D-glucuronopyranoside, quercetin 3-O-b-D-glucopyranoside, kaempferol 5-O-b-D-xylopyranoside, kaempferol 3-O-b-D-galactopyranoside and kaempferol 7-O-b-D-xylopyranoside.
📊
Temel Bulgular & Veri:Three new flavanone glycosides, naringenin 4'-O-b-D-glucuronopyranoside, naringenin 4'-O-a-L rham\-nopyranoside and naringenin 4'-O-b-D-xylopyranoside, were characterized from the leaves of Impatiens bicolor, together with 6 known glycosides: naringenin 4'-O-b-D-glucopyranoside, kaempferol 7-O-b-D-glucuronopyranoside, quercetin 3-O-b-D-glucopyranoside, kaempferol 5-O-b-D-xylopyranoside, kaempferol 3-O-b-D-galactopyranoside and kaempferol 7-O-b-D-xylopyranoside.
💡
Sonuç & Katkı:The structures were determined by means of co-chromatography, UV, HPLC, EI-MS, FAB-MS and 1H NMR.
Three new flavanone glycosides, naringenin 4'-O-b-D-glucuronopyranoside, naringenin 4'-O-a-L rham\-nopyranoside and naringenin 4'-O-b-D-xylopyranoside, were characterized from the leaves of Impatiens bicolor, together with 6 known glycosides: naringenin 4'-O-b-D-glucopyranoside, kaempferol 7-O-b-D-glucuronopyranoside, quercetin 3-O-b-D-glucopyranoside, kaempferol 5-O-b-D-xylopyranoside, kaempferol 3-O-b-D-galactopyranoside and kaempferol 7-O-b-D-xylopyranoside. The structures were determined by means of co-chromatography, UV, HPLC, EI-MS, FAB-MS and 1H NMR.
Abstract
Three new flavanone glycosides, naringenin 4'-O-b-D-glucuronopyranoside, naringenin 4'-O-a-L rham\-nopyranoside and naringenin 4'-O-b-D-xylopyranoside, were characterized from the leaves of Impatiens bicolor, together with 6 known glycosides: naringenin 4'-O-b-D-glucopyranoside, kaempferol 7-O-b-D-glucuronopyranoside, quercetin 3-O-b-D-glucopyranoside, kaempferol 5-O-b-D-xylopyranoside, kaempferol 3-O-b-D-galactopyranoside and kaempferol 7-O-b-D-xylopyranoside. The structures were determined by means of co-chromatography, UV, HPLC, EI-MS, FAB-MS and 1H NMR.
TAHIR, A. H. A. M. N., HASAN, A. (2005). Flavonoids from the Leaves of Impatiens bicolor. Turkish Journal of Chemistry, Cilt: 29 - Sayı: 1, 65–70. https://ajindex.com/articles/185463
W. Charles and J.E. Hagen, Am. J. Botany, 53, 46 (1966).
E. Klozoa and K. Rokosoa, Biol. Plant Acad. Soc. Bohemolov, 3, 291 (1961).
B.A.Bohm and G.H.N. Towers, Can. J. Botany, 40, 677 (1962).
P. Panichayupakaranant, H. Noguchi and W. De-Eknamkul, Planta Med., 64, 774 (1998).
M. Toki, M. Kondo and M. Maeda, Jpn. Kokai Tokkyo Koho. Jp.143, 488 (2000).
S. Thomas Jr., J.E. Little and M.W. Foote, Vermont Agr. Expt. Sta. Bull., 543, 3 (1948). K.R. Markham, “Techniques of Flavonoid Identification”, Academic Press, London, 1982.
T.J. Mabry, K.R. Markham and M.B. Thomas, “The Systematic Identification of Flavonoids”, Springer, New York, 1970. B.A. Bohn, “Introduction to Flavonoids”, Harwood Academic Publishers, Canada. 1988. J.B. Harborne and H. Baxter, “The Hand Book of Natural Flavonoids”, John Wiley & Sons, Chichester, New York, Wienhein, Brisbane, Singapore, Toronto, 1999. J.B. Harborn, “Phytochemical Methods”, Chapman & Hall, London, 1973.
J. Gudej, Acta. Pol. Pharm., 45, 340 (1988).
A.K. Gupta, T.J. Vidyapati and J.S. Chuhan, Indian J. Chem., 18B, 85 (1979).