Assertion: carotenoid | /r/HasAspect | two groups
Facets:
Source sentences:
text: Carotenoids are isoprenoid linear polyenes that are divided into two groups, namely carotenes (unsaturated hydrocarbons) and xanthophylls (bearing one or more oxygen-containing functional groups) (Pangestuti and Kim, 2015; Christaki et al., 2013).