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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: Planta Med. 2015 Jun 3;81(10):813–820. doi: 10.1055/s-0035-1546105

Table 2.

Collagenase inhibitory activity of the tested compounds.

Compound IC50 (μM)
shinorine 104.0 ± 3.7
porphyra 105.9 ± 2.3
palythine 158.9 ± 3.2

phosphoramidon 18.8 ± 1.6
1,10-phenanthroline 238.1 ± 3.4

Values represent mean ± SD (n=3).