The relative secondary metabolite profile of coffee plants.

The plants were grown under low light (LL) or high light (HL) (10 or 100% full sunlight, respectively). Results for LL plants were set as unit. Data are normalized with respect to the mean response calculated for the LL (to allow statistical assessment, individual plants from this set were normalized in the same way). Chlorogenic acid (3-CGA) and Rutin have been identified by standard compounds. Flavonol-3Glcs were annotated by co-elution profile of Arabidopsis leaf and tomato fruit extracts (Rohrmann et al. 2011; Wu et al. 2012). The other phenolics such as cryptochlorogenic acid (4-CGA), neochlorogenic acid (5-CGA), feruloylquinic acids (FQA), dicaffeoylquinic acids (diCQA) and mangiferin were annotated based on comparison of the tables of coffee profile (Mondolot et al. 2006; Alonso-Salces et al. 2009; Campa et al. 2012) Significance: ns not significant, *P<0.05, **P<0.01