Conclusions
From a panel of twenty three plant extracts, some one dozen exhibit high or satisfactory anti-collagenase or anti-elastase activities, with nine having inhibitory activity against both enzymes. These included white tea which was found to have very high phenolic content, along with high TEAC and SOD activities
Anti-collagenase, anti-elastase and anti-oxidant activities of extracts from 21 plants.
Thring TS, Hili P, Naughton DP.
BMC Complement Altern Med. 2009 Aug 4;9(1):27. [Epub ahead of print]
PMID: 19653897
doi:10.1186/1472-6882-9-27