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Table 1 Concentrations of metabolites identified in aqueous extract and simulated digest of HRAM and CM.

From: Protection against LPS-induced cartilage inflammation and degradation provided by a biological extract of Mentha spicata

Compound

HRAM [μg/mL]

Control Mint [μg/mL]

 

Aqueous/Ethanolic extract^

Simulated digest

Aqueous/Ethanolic extract^

Simulated digest

Rosmarinic acid [RA]

720.0

49.3

16.1

0.4

Caffeic acid [CA]

nd*

33.0

2.1

2.2

Ferulic acid [FA]

nd*

3.4

2.5

2.6

Coumaric acid [CO]

nd*

4.6

2.2

2.2

  1. ^Aqueous/ethanolic extracts are based on 5 mg of leaf tissue in 3 mL of water/ethanol [50:50 v/v], microwave extraction for 2.2 minutes at 240 watts. * not detected