taxifolin 7 o glucoside t7g (MedChemExpress)
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Taxifolin 7 O Glucoside T7g, supplied by MedChemExpress, used in various techniques. Bioz Stars score: 92/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Article Title: Formation of quercetin from taxifolin and quercetin 7-O-glucoside from taxifolin 7-O-glucoside by cooking sorghum grains: Possible mechanisms of their formation
Journal: Food Chemistry Advances
doi: 10.1016/j.focha.2024.100740
Figure Legend Snippet: Fig. 1. HPLC profiles of sorghum grains heated in distilled water. Sorghum grains suspended in distilled water for 30 min were heated for 30 min (Section 2.2). (A) Before heating. (A-1) 280 nm; (A-2) 380 nm. (B) Absorption spectra in the mobile phase. (B-1) T7G and taxifolin; (B-2) Q7G and quercetin. (C) After the heating. (C- 1) 280 nm; (C-2) 380 nm. Q7G, quercetin 7-O-glucoside; T7G, taxifolin 7-O-glucoside. HPLC conditions; see Section 2.3.
Techniques Used:
Figure Legend Snippet: Fig. 2. HPLC profiles of an extract of sorghum grains. Sorghum grains were extracted with 0.1 M sodium phosphate with 0.15 M NaCl (pH 7.0) for 16 h, and the extract was heated for 20 min (Section 2.2) (A) Before heating. (A-1) 280 nm; (A-2) 380 nm. (B) After the heating. (B-1) 280 nm; (B-2) 380 nm. Q7G, quercetin 7-O- glucoside; T7G, taxifolin 7-O-glucoside. HPLC conditions; see Section 2.3.
Techniques Used:
Figure Legend Snippet: Fig. 6. Effect of pH on the decrease in T7G concentration and the formation of Q7G by heating. (Left panel) HPLC profiles. Isolated T7G (1 mM) dissolved in 0.1 M sodium phosphate with 0.15 M NaCl (pH 7.0) was heated for 10 min. (Right panel) Changes in concentrations of components as a function of heating time. The buffer solution used was 0.1 M sodium phosphate with 0.15 M NaCl (pH 5.9, 7.0, and 7.8). T7G (○), Q7G (△), T7G isomer-1 (alphitonin 7-O-glucoside) (● with solid line), T7G isomer-2 (T7G 2,3-cis isomer) (● with dashed line). T7G isomer-2 was not detected at pH 7.8. (Bottom panel) A possible path of the formation of T7G isomers and Q7G .
Techniques Used: Concentration Assay, Isolation
Figure Legend Snippet: Fig. 7. Possible mechanisms of the formation of quercetin and Q7G from taxifolin and T7G, respectively. (A) oxidation of B-ring, (B) oxidation of taxifolin and T7G chalcones.
Techniques Used:
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