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. 2013 Mar 7;18(3):3086–3106. doi: 10.3390/molecules18033086

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© 2013 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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TLC chromatogram of methanol extracts. Codes 1-38 represent the 38 samples: 1 = CK, 38=NK, 20 = WILD1, 21 = WILD2, 22 = 2-(2-phenylethyl)chromone (the upper spot) and 6,7-dimethoxy-2-(2-phenylethyl)chromone (the lower spot), 2–4 = the three repeats of A, 5–7 = the three repeats of B, 8–10 = the three repeats of C, 11–13 = the three repeats of D, 14–16 = the three repeats of E, 17–19 = the three repeats of F, 23–25 = the three repeats of G, 26–28 = the three repeats of H, 29–31 = the three repeats of I, 32–34 = the three repeats of J, 35 = BCD,36 = FI, and 37 = PTP. (a) TLC chromatogram visualized under UV_254nm. (b) TLC chromatogram visualized under UV_365nm. (c) TLC chromatogram of the plate stained with 5% vanillin- H₂SO₄ and then heated for 10 min at 100 °C.