Assertion: lignin's number | /r/HasProperty | phenolic compounds
Facets:
Source sentences:
text: The natural extractable organic compounds from oak wood belong to a large number of chemical families: phenolic compounds, including lignans, coumarins, tannins, phenolic acids, phenolic aldehydes; phenylketones; acids; carbohydrates; volatile compounds, including terpenes, noisoprenoides, lactones, and furanic aldehydes; carotenoids; and steroids (Mayer et al. 1967; Masuda and Nishimura 1971; Nishimura et al. 1983; Nomdedeu et al. 1988; Puech and Moutonet, 1988; Puech et al. 1989; Sefton et al. 1990; Marco et al. 1994; Garcia-Romero et al. 1998; Masson et al. 2000).