Data Views Total Plants: 2 CSV Excel PDF Click on column headings to sort table by that column Plant Part All Fruit Root Essent. Oil Low PPM High PPM StdDev *Reference Juniperus communis Fruit 7.0 66.0 Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980. Angelica archangelica Root Essent. Oil -- -- * *Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press.