Figure 1.

Figure 2.

Figure 3.

Figure 4.

Supplementary Scheme S1.

Supplementary Figure S1.

Supplementary Figure S2.

Supplementary Figure S3.

Supplementary Figure S4.

Supplementary Figure S5.

Supplementary Figure S6.

α-Glucosidase inhibitory activity of compounds 1–6 from M_ fluvialis_
| Compound | α-Glucosidase inhibitory activity (100 μM) | IC50 (μM) |
|---|---|---|
| 1 | 89.2 ± 3.4 | 14.8 |
| 2 | 53.1 ± 6.3 | 95.2 |
| 3 | 32.8 ± 6.6 | >100 |
| 4 | 24.8 ± 6.5 | >100 |
| 5 | 21.9 ± 0.3 | >100 |
| 6 | 17.0 ± 0.3 | >100 |
| Acarbose* | 76.4 ± 3.4 | 72.5 |