The structures were determined by means of co-chromatography, UV, HPLC, EI-MS, FAB-MS and 1H NMR.
📌 3 Key Takeaways
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Objective & Hypothesis: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.
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Key Findings & Data: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.
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Conclusion & Impact: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.
Özet
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
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