# Activity | Chemical | Low PPM | High PPM | StdDev | *Reference | |
---|---|---|---|---|---|---|
4 | NEOABIETIC-ACID | Resin, Exudate, Sap | -- | -- | Leung, A.Y., Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics, John Wiley & Sons, New York, 1980. | |
0 | LAEVOPIMARIC-ACID | Resin, Exudate, Sap | -- | -- | Leung, A.Y., Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics, John Wiley & Sons, New York, 1980. |