Fig. 1. Structure of Dihydrokaempferol (A) and Quercetin-3-methyl ether (B).
Fig. 2. Calibration curves of DHK (A) and 3-MeQ (B).
Fig. 3. Chromatograms of DHK of non-fermented (A), fermented with L. plantarum (B), and fermented with L. fermentum (C) at 280 nm.
Fig. 4. Chromatograms of 3-MeQ of non-fermented (A), fermented with L. plantarum (B), and fermented with L. fermentum (C) at 360 nm.
Fig. 5. Acetylcholinesterase inhibitory activity of OFS stem extract: non-fermented (A), fermented with L. plantarum (B), and fermented with L. fermentum (C).
Table 1. Content analytic condition of 3, 5-DCQA
Table 2. Content of Dihydrokaempferol at 280 nm
Table 3. Content of Quercetin-3-methyl ether at 360 nm
Table 4. AChE inhibitory activity of OFS stem extracts
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