Journal: Revista Brasileira de Farmacognosia

Article Title: Microscopical descriptions and chemical analysis by HPTLC of Taraxacum officinale in comparison to Hypochaeris radicata: a solution for mis-identification

doi: 10.1016/j.bjp.2014.07.018

Figure Lengend Snippet: Figure 1 – Taraxacum officinale: open flower and a rosette with terminal inflorescence (a-b). Hypochaeris radicata: open flower and the long, branched inflorescences (c-d).

Article Snippet: Dandelion (T. officinale) root E standard was purchased from ChromaDex, Inc. (United States).

Techniques:

Journal: Revista Brasileira de Farmacognosia

Article Title: Microscopical descriptions and chemical analysis by HPTLC of Taraxacum officinale in comparison to Hypochaeris radicata: a solution for mis-identification

doi: 10.1016/j.bjp.2014.07.018

Figure Lengend Snippet: Figure 2 – Microphotographs showing the anatomical elements of T. officinale and H. radicata. Light micrographs of T. officinale (a) and H. radicata (b) with stomata (A) in D4 and D2 leaves samples, respectively (10× magnification). Scanning electron microscopy (SEM) micrographs showing A on D4 (c) and D2 (b) leaves. (—) Scale bar in (b) 50 μm.

Article Snippet: Dandelion (T. officinale) root E standard was purchased from ChromaDex, Inc. (United States).

Techniques: Electron Microscopy

Journal: Revista Brasileira de Farmacognosia

Article Title: Microscopical descriptions and chemical analysis by HPTLC of Taraxacum officinale in comparison to Hypochaeris radicata: a solution for mis-identification

doi: 10.1016/j.bjp.2014.07.018

Figure Lengend Snippet: Figure 3 – Epidermal hair observed in H. radicata. Photo obtained via optical microscope of one multicellular epidermal hairs (10 × magnification) (a). Scanning electron microscopy (SEM) image showing detail of epidermal hair (b). (—) Scale bar in 100 μm. Micrographs of the leaf trichomes of T. officinale (10 × magnification) (c).

Article Snippet: Dandelion (T. officinale) root E standard was purchased from ChromaDex, Inc. (United States).

Techniques: Microscopy, Electron Microscopy

Journal: Revista Brasileira de Farmacognosia

Article Title: Microscopical descriptions and chemical analysis by HPTLC of Taraxacum officinale in comparison to Hypochaeris radicata: a solution for mis-identification

doi: 10.1016/j.bjp.2014.07.018

Figure Lengend Snippet: Figure 4 – Conducting system in T. officinale and H. radicata roots. Optical microscope images of xylem vessels in T. officinale and H. radicata (a and b, respectively) (10× magnification). Scanning electron microscopy (SEM) images showing the details of groups of laticiferous tubes arranged in several interrupted rings (c). (—) Scale bar in 50 μm. SEM image of xylem vassels in H. radicata (d). (—) Scale bar in 50 μm. SEM images of flagellar long trichomes in H. radicata roots (e-f). (—) Scale bar in (e) 50 μm, (—) Scale bar in (f) 10 μm.

Article Snippet: Dandelion (T. officinale) root E standard was purchased from ChromaDex, Inc. (United States).

Techniques: Microscopy, Electron Microscopy

Journal: Revista Brasileira de Farmacognosia

Article Title: Microscopical descriptions and chemical analysis by HPTLC of Taraxacum officinale in comparison to Hypochaeris radicata: a solution for mis-identification

doi: 10.1016/j.bjp.2014.07.018

Figure Lengend Snippet: Figure 5 – HPTLC comparisons of H. radicata and T. officinale extracts from roots collected from two geographic locations in the Antioquia Department (Colombia): Rio Negro (RN) and Guarne (G). Tracks 1 and 2 = Dandelion standard; 3 and 4 = H. radicata, RN; 5 and 6 = H. radicata, G; 7 and 8 = T. officinale, RN; 9 and 10 = T. officinale, G. Derivatisation with anisaldehyde– sulfuric acid solution and visualization under white light.

Article Snippet: Dandelion (T. officinale) root E standard was purchased from ChromaDex, Inc. (United States).

Techniques: High Performance Thin Layer Chromatography

Journal: Revista Brasileira de Farmacognosia

Article Title: Microscopical descriptions and chemical analysis by HPTLC of Taraxacum officinale in comparison to Hypochaeris radicata: a solution for mis-identification

doi: 10.1016/j.bjp.2014.07.018

Figure Lengend Snippet: Figure 6 – HPTLC chromatogram of (a) H. radicata and (b) T. officinale root stem extract showing different peaks of phytoconstituents (scanned at 254 nm). (c) 2D display of a HPTLC chromatogram of H. radicata (pink) and T. officinale (blue) root stem extract. Mobile phase: ethyl acetate: formic acid: glacial acetic acid: water (100:11:11:26, v/v/v/v).

Article Snippet: Dandelion (T. officinale) root E standard was purchased from ChromaDex, Inc. (United States).

Techniques: High Performance Thin Layer Chromatography