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Applied Biological Chemistry
Fig. 4 | Applied Biological Chemistry

Fig. 4

From: The soybean cultivar SCEL-1 shows potent anti-photoaging effects in a UV-induced three-dimensional human skin and hairless mouse model

Fig. 4

Chromatograms of major isoflavones, procyanidin B2 and epicatechin and chemical structures. a Three kinds of soybean extracts were analyzed using high-performance liquid chromatography. Five total peaks were identified by references. The identified isoflavones were daidzin (1), 6″-O-malonyldaidzin (2), 6″-malonylgenistin (3), daidzein (4), and genistin (5). b Three kinds of soybean extracts were analyzed using high-resolution mass spectrometry. Procyanidin B2 (m/z 449.12) and epicatechin (m/z 291.09) contained in SCEL-1, CJ-3 or WH are expressed by extracted chromatogram (XIC). The intensity of XIC was fixed at 4e6, and the XIC window was ± 0.01 Da. c Chemical structures of procyanidin B2 and epicatechin

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