Methyl camosate is a diterpene isolated from Salvia officinalis or Rosmarinus officinalis. Methyl camosate has potent antioxidant and anti-bacterial activity[1][2].
Methyl carnosate has antibacterial activity against Bacillus cereus[2].
[1]. Marie-Elisabeth Cuvelier, et al. Antioxidant Constituents in Sage (Salvia officinalis). J. Agric. Food Chem. 1994, 42, 005-609 005.
[2]. Climati E, et al. Methyl carnosate, an antibacterial diterpene isolated from Salvia officinalis leaves. Nat Prod Commun. 2013 Apr;8(4):429-30.