Data Views Exclude Ubiquitous Chemicals Activities: 296 Chemicals w/Activities: 52 All Chemicals: 141 CSV Excel PDF Previous12345678 Show all rows. Paginate rows. Click on column headings to sort table by that column # Activity Chemical Part All Plant Low PPM High PPM StdDev *Reference 0 VALERALDEHYDE Plant -- -- Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980. *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.