Flavonoids fromChenopodium botrys

Abstract

From Chenopodium botrys, five flavonoids have been isolated: hispidulin, 1, salvigenin 2, 5-methylsalvigenin, 3, 7-methyleupatulin, 4 and sinensetin, 5. None of them have been previously reported from Ch. botrys.

A New Kaempferol Glycoside with Antioxidant Activity from Chenopodium ambrosioides Growing in Egypt

“…Different species belonging to this genus showed numerous pharmacological properties 3,4 . Also, the previous chemical investigations carried out on this genus revealed the presence of flavonoids [5][6][7] , terpenes 8 , sesquiterpene pygmol 9 , xyloside 10 , coumarins 11 , and essential oils 12 . Chenopodium ambrosioides Linn (Family Chenopodiaceae) is native to temperate America 13 .…”

“…Moreover, the chromatographic isolation and purification of the most promising n-butanol extract resulted in the separation of one new compound identified as kaempferol 3-O-α-L-1 C 4 -rhamnosyl-(1'''→2'')-β-D-4 C 1 -xylopyranoside (1), along with five known compounds viz., kaempferol 3-O-α-L-1 C 4 -rhamnopyranoside (afzelin) (2), kaempferol 7-O-α-L-1 C 4 -rhamnopyranoside (3), caffeic acid (4), 1,2-benzopyrone (coumarin) (5), and kaempferol (6). It can conclude that the leaves of the Egyptian C. ambrosioides can be used as promising natural antioxidant agents.…”

“…Fractions (250 ml each) were collected, concentrated and examined (PC, S 1 &S 2 , 5% AlCl 3 and 1% FeCl 3 , UV light for detection). Similar fractions were pooled according to their pattern upon paper chromatography, to afford five main fractions (1)(2)(3)(4)(5) …”

Medicinal importance, pharmacological activities, and analytical aspects of hispidulin: A concise report

“…glutinosa Gay 81 . Five flavonoids including hispidulin have been isolated from Chenopodium botrys 82 . Ten compounds including hispidulin were isolated from the methanolic extract of the aerial part of Phyla nodiflora 21 .…”

Isolation and Identification of Two New Flavanones and a Chalcone from Citrus kinokuni.

“…The known compounds were fully characterized as scoparone (4), scopoletin (5), nobiletin (6), 8) sinensetin (7), 8) tangeretin (8), 8) 5-hydroxy-6,7,8,4Ј-tetramethoxyflavone (9), 9) 5-hydroxy-6,7,3Ј,4Ј-tetramethoxyflavone (10), 10,11) 5-demethylnobiletin (11), 9,12) 6-demethoxynobiletin (12), 8) 6-demethoxytangeretin (13), 8) 5,6,7,4Ј-tetramethoxyflavone (14), 13,14) 3,5,6,7,3Ј,4Ј-hexamethoxyflavone (15), 15,16) 3Ј-hydroxy-5,6,7,8,4Ј-pentamethoxyflavone (16), 17) 3,5,6,7,8,3Ј,4Ј-heptamethoxyflavone (17), 8) 7-hydroxy-5,6,3Ј,4Ј-tetramethoxyflavone (18), 17) 7-hydroxy-5,6,8,3Ј,4Ј-pentamethoxyflavone (19), 18) 5,7,8,3Ј,4Ј-pentamethoxyflavanone (20), 19) 5-Odemethylcitromitin (21), 20) 3,4,3Ј,4Ј,5Ј,6Ј-hexamethoxy-2Ј-hydroxychalcone (22), 21) 2Ј-hydroxy-4,4Ј,5Ј,6Ј-tetramethoxychalcone (23) 22,23) and b-sitosterol (24) by direct comparison with authentic samples and/or spectral data reported in the literature.…”