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hy n0222 ; medchemexpress  (MedChemExpress)


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    MedChemExpress hy n0222 ; medchemexpress
    Hy N0222 ; Medchemexpress, supplied by MedChemExpress, used in various techniques. Bioz Stars score: 93/100, based on 5 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/hy n0222 ; medchemexpress/product/MedChemExpress
    Average 93 stars, based on 5 article reviews
    hy n0222 ; medchemexpress - by Bioz Stars, 2026-02
    93/100 stars

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    HPTLC of the reference standards zones ( 1 – caffeic acid; 2 – chlorogenic acid; 3 – gallic acid; 4 – avicularin; 5 – guaijaverin; 6 – isoquercitrin; 7 – hyperoside) at wavelengths of 365 nm after derivatisation; and Epilobium hirsutum leaves extract (sample L7 from Grange Gardens, April 2024) at wavelengths of 254 nm (a) , in daylight (b) and 365 nm (c) before derivatisation and in daylight (d) and at 365 nm (e) after derivatisation and the total spectrum of zones at 365 nm (f) . System: EA: Formic acid: Water (68:8:8); derivatisation with diphenylboric acid aminoethyl ether followed by macrogol 400 and heating at 105°C for 5 min.

    Journal: Frontiers in Pharmacology

    Article Title: The phenology of Epilobium hirsutum L.: assessing marker compounds variability of a pharmaceutically important plant remedy

    doi: 10.3389/fphar.2025.1602819

    Figure Lengend Snippet: HPTLC of the reference standards zones ( 1 – caffeic acid; 2 – chlorogenic acid; 3 – gallic acid; 4 – avicularin; 5 – guaijaverin; 6 – isoquercitrin; 7 – hyperoside) at wavelengths of 365 nm after derivatisation; and Epilobium hirsutum leaves extract (sample L7 from Grange Gardens, April 2024) at wavelengths of 254 nm (a) , in daylight (b) and 365 nm (c) before derivatisation and in daylight (d) and at 365 nm (e) after derivatisation and the total spectrum of zones at 365 nm (f) . System: EA: Formic acid: Water (68:8:8); derivatisation with diphenylboric acid aminoethyl ether followed by macrogol 400 and heating at 105°C for 5 min.

    Article Snippet: Gallic acid, ellagic acid, chlorogenic acid, caffeic acid, oenothein B, hyperoside, isoquercitrin (syn. isoquercetin), avicularin, guaijaverin, myricetin were obtained from Inc. ChromaDex (Santa Ana, United States) and Sigma-Aldrich (Saint Louis, United States).

    Techniques: High Performance Thin Layer Chromatography

    HPLC-DAD chromatograms of methanol (50%) extracts of Epilobium hirsutum stems (sample 44S– A , B ) and leaves (sample 43L– C , D ) from a mesic grassland habitat collected on 7 July 2023. The chromatograms were recorded at 350 nm (A and C) for identified polyphenols and at 219 nm (B and D) for tannins. Peaks: 1 – gallic acid; 2 – oenothein B; 3 – chlorogenic acid; 4 – oenothein A; 5 – isomyricitrin; 6 – ellagic acid; 7 – hyperoside; 8 – isoquercitrin; 9 – guajaverin; 10 – avicularin; 11 – myricetin. In chromatogram C, compound 8 partially coeluted with a minor peak. Identification was confirmed by retention time and UV-Vis spectrum matching the standard. Manual peak integration was used for accurate quantification.

    Journal: Frontiers in Pharmacology

    Article Title: The phenology of Epilobium hirsutum L.: assessing marker compounds variability of a pharmaceutically important plant remedy

    doi: 10.3389/fphar.2025.1602819

    Figure Lengend Snippet: HPLC-DAD chromatograms of methanol (50%) extracts of Epilobium hirsutum stems (sample 44S– A , B ) and leaves (sample 43L– C , D ) from a mesic grassland habitat collected on 7 July 2023. The chromatograms were recorded at 350 nm (A and C) for identified polyphenols and at 219 nm (B and D) for tannins. Peaks: 1 – gallic acid; 2 – oenothein B; 3 – chlorogenic acid; 4 – oenothein A; 5 – isomyricitrin; 6 – ellagic acid; 7 – hyperoside; 8 – isoquercitrin; 9 – guajaverin; 10 – avicularin; 11 – myricetin. In chromatogram C, compound 8 partially coeluted with a minor peak. Identification was confirmed by retention time and UV-Vis spectrum matching the standard. Manual peak integration was used for accurate quantification.

    Article Snippet: Gallic acid, ellagic acid, chlorogenic acid, caffeic acid, oenothein B, hyperoside, isoquercitrin (syn. isoquercetin), avicularin, guaijaverin, myricetin were obtained from Inc. ChromaDex (Santa Ana, United States) and Sigma-Aldrich (Saint Louis, United States).

    Techniques:

    Mean content (mg/g) of flavonoids, avicularin (A) , guajaverin (B) , hyperoside (C) , isomyricitrin (D) , isoquercitrin (E) and guajaverin (F) , in leaves and stems of Epilobium hirsutum in different habitats. Different letters above the violines indicate significant difference between samples according to the pairwise comparisons applying the Dunn’s post hoc test (p < 0.05).

    Journal: Frontiers in Pharmacology

    Article Title: The phenology of Epilobium hirsutum L.: assessing marker compounds variability of a pharmaceutically important plant remedy

    doi: 10.3389/fphar.2025.1602819

    Figure Lengend Snippet: Mean content (mg/g) of flavonoids, avicularin (A) , guajaverin (B) , hyperoside (C) , isomyricitrin (D) , isoquercitrin (E) and guajaverin (F) , in leaves and stems of Epilobium hirsutum in different habitats. Different letters above the violines indicate significant difference between samples according to the pairwise comparisons applying the Dunn’s post hoc test (p < 0.05).

    Article Snippet: Gallic acid, ellagic acid, chlorogenic acid, caffeic acid, oenothein B, hyperoside, isoquercitrin (syn. isoquercetin), avicularin, guaijaverin, myricetin were obtained from Inc. ChromaDex (Santa Ana, United States) and Sigma-Aldrich (Saint Louis, United States).

    Techniques: