Sixteen phenolic compounds, scopoletin (1), isoliquiritigenin 4-methyl ether (2), luteolin 5,3-dimethyl ether (3), luteolin 7,3-dimethyl ether (4), aureusidin 4-methyl ether (5), apigenin (6), luteolin (7), trans- ferulic acid (8), luteolin 4-O--D-glucopyranoside (9), luteolin 7-O--D-glucopyranoside (10), quercetin 3-O--D-glucopyranoside (11), apigenin 7-O-neohesperidoside (12), kaempferol 3-O-rutinoside (13), quercetin 3-O-rutinoside (14), kaempferol 3-O-[2-O-D-xylopyranosyl-6-O--L-rhamnopyranosyl]--D-glucopyranoside (15) and kaempferol 3-O-[2-O-D-glucopyranosyl-6-O--L-rhamnopyranosyl]--D-glucopyranoside (16) were isolated from the methanolic extract of the inflorescences of Cyperus alopecuroides Rottb. for the first time. Their structures have been established on basis of physical, chemical and spectroscopic methods in addition to comparison with literature data and/or authentic samples. The antioxidant and cytotoxic activities in addition to -amylase inhibitory activity of the isolated compounds have been studied.

Sixteen phenolic compounds, scopoletin (1), isoliquiritigenin 4-methyl ether (2), luteolin 5,3-dimethyl ether (3), luteolin 7,3-dimethyl ether (4), aureusidin 4-methyl ether (5), apigenin (6), luteolin (7), trans- ferulic acid (8), luteolin 4-O--D-glucopyranoside (9), luteolin 7-O--D-glucopyranoside (10), quercetin 3-O--D-glucopyranoside (11), apigenin 7-O-neohesperidoside (12), kaempferol 3-O-rutinoside (13), quercetin 3-O-rutinoside (14), kaempferol 3-O-[2-O-D-xylopyranosyl-6-O--L-rhamnopyranosyl]--D-glucopyranoside (15) and kaempferol 3-O-[2-O-D-glucopyranosyl-6-O--L-rhamnopyranosyl]--D-glucopyranoside (16) were isolated from the methanolic extract of the inflorescences of Cyperus alopecuroides Rottb. for the first time. Their structures have been established on basis of physical, chemical and spectroscopic methods in addition to comparison with literature data and/or authentic samples. The antioxidant and cytotoxic activities in addition to -amylase inhibitory activity of the isolated compounds have been studied.

Mandelonitrile--D-glucopyranoside (prunasin) (1), kaempferol- 3-O--D-galactopyranoside (2), kaempferol-3-O--D-glucopyranoside (3), quercetin-3-O--D-glucopyranoside (4), mandelic acid amide--D-glucopyranoside (5), kaempferol-3-O-[-D-glucopyranosyl-(14)--D-galactopyranoside] (6), mandelonitrile--D-glucopyranosyl-(16)- -D- glucopyranoside (amygdalin) (7) were isolated from the methanolic extract of the leaves of Prunus persica (L.) Batsch “Meet Ghamr” peach. Furthermore, persicogenin (8), naringenin (9), aromadenderin (10), eriodictyol (11), persicogenin-3-O--D-glucopyranoside (12) and hesperitin-5-O--D-glucopyranoside (13) were isolated from the methanolic extract of the stem bark of the title plant. All these compounds were isolated for the first time from “Meet Ghamr“ peach while compounds 5 and 6 were firstly reported from the genus Prunus. Identification of these compounds has been established by physical, chemical and spectral methods (UV, IR, FAB-MS, 1-D-and 2-D NMR).

Mandelonitrile--D-glucopyranoside (prunasin) (1), kaempferol- 3-O--D-galactopyranoside (2), kaempferol-3-O--D-glucopyranoside (3), quercetin-3-O--D-glucopyranoside (4), mandelic acid amide--D-glucopyranoside (5), kaempferol-3-O-[-D-glucopyranosyl-(14)--D-galactopyranoside] (6), mandelonitrile--D-glucopyranosyl-(16)- -D- glucopyranoside (amygdalin) (7) were isolated from the methanolic extract of the leaves of Prunus persica (L.) Batsch “Meet Ghamr” peach. Furthermore, persicogenin (8), naringenin (9), aromadenderin (10), eriodictyol (11), persicogenin-3-O--D-glucopyranoside (12) and hesperitin-5-O--D-glucopyranoside (13) were isolated from the methanolic extract of the stem bark of the title plant. All these compounds were isolated for the first time from “Meet Ghamr“ peach while compounds 5 and 6 were firstly reported from the genus Prunus. Identification of these compounds has been established by physical, chemical and spectral methods (UV, IR, FAB-MS, 1-D-and 2-D NMR).

Mandelonitrile--D-glucopyranoside (prunasin) (1), kaempferol- 3-O--D-galactopyranoside (2), kaempferol-3-O--D-glucopyranoside (3), quercetin-3-O--D-glucopyranoside (4), mandelic acid amide--D-glucopyranoside (5), kaempferol-3-O-[-D-glucopyranosyl-(14)--D-galactopyranoside] (6), mandelonitrile--D-glucopyranosyl-(16)- -D- glucopyranoside (amygdalin) (7) were isolated from the methanolic extract of the leaves of Prunus persica (L.) Batsch “Meet Ghamr” peach. Furthermore, persicogenin (8), naringenin (9), aromadenderin (10), eriodictyol (11), persicogenin-3-O--D-glucopyranoside (12) and hesperitin-5-O--D-glucopyranoside (13) were isolated from the methanolic extract of the stem bark of the title plant. All these compounds were isolated for the first time from “Meet Ghamr“ peach while compounds 5 and 6 were firstly reported from the genus Prunus. Identification of these compounds has been established by physical, chemical and spectral methods (UV, IR, FAB-MS, 1-D-and 2-D NMR).

Mandelonitrile--D-glucopyranoside (prunasin) (1), kaempferol- 3-O--D-galactopyranoside (2), kaempferol-3-O--D-glucopyranoside (3), quercetin-3-O--D-glucopyranoside (4), mandelic acid amide--D-glucopyranoside (5), kaempferol-3-O-[-D-glucopyranosyl-(14)--D-galactopyranoside] (6), mandelonitrile--D-glucopyranosyl-(16)- -D- glucopyranoside (amygdalin) (7) were isolated from the methanolic extract of the leaves of Prunus persica (L.) Batsch “Meet Ghamr” peach. Furthermore, persicogenin (8), naringenin (9), aromadenderin (10), eriodictyol (11), persicogenin-3-O--D-glucopyranoside (12) and hesperitin-5-O--D-glucopyranoside (13) were isolated from the methanolic extract of the stem bark of the title plant. All these compounds were isolated for the first time from “Meet Ghamr“ peach while compounds 5 and 6 were firstly reported from the genus Prunus. Identification of these compounds has been established by physical, chemical and spectral methods (UV, IR, FAB-MS, 1-D-and 2-D NMR).

Two new isoflavonoid biosides, tectorigenin 4′-glucosyl (1→6)glucoside and iristectorigenin B 7-glucosyl (1→6)glucoside, a new isoflavonoid monoside, 4′-methyltectorigenin 7-glucoside and a new flavone glucoside, 6,4′-dimethoxy-5-hydroxyflavone 7-glucoside, together with tectoridin and tectorigenin 4′-glucoside were isolated from rhizomes of Iris carthaliniae. The structures of the isolated compounds were determined by NMR spectral analysis.

Two new isoflavonoid biosides, tectorigenin 4′-glucosyl (1→6)glucoside and iristectorigenin B 7-glucosyl (1→6)glucoside, a new isoflavonoid monoside, 4′-methyltectorigenin 7-glucoside and a new flavone glucoside, 6,4′-dimethoxy-5-hydroxyflavone 7-glucoside, together with tectoridin and tectorigenin 4′-glucoside were isolated from rhizomes of Iris carthaliniae. The structures of the isolated compounds were determined by NMR spectral analysis.

Two new isoflavonoid biosides, tectorigenin 4′-glucosyl (1→6)glucoside and iristectorigenin B 7-glucosyl (1→6)glucoside, a new isoflavonoid monoside, 4′-methyltectorigenin 7-glucoside and a new flavone glucoside, 6,4′-dimethoxy-5-hydroxyflavone 7-glucoside, together with tectoridin and tectorigenin 4′-glucoside were isolated from rhizomes of Iris carthaliniae. The structures of the isolated compounds were determined by NMR spectral analysis.

wo isoflavone glycosides, biochanin A 7-O-[beta-D-apiofuranosyl-(1-->5)-beta-D-apiofuranosyl-(1-->6)-beta-D-glucopyranoside] and tectorigenin 7-O-[beta-D-apiofuranosyl-(1-->6)-beta-D-glucopyranoside], were isolated from Dalbergia sissoo. Their structures were elucidated on the basis of spectral and chemical evidence.