Fingerprinting of cerrado species based on cork lipophilic constituents

Author(s)

Salatino, Antonio ^[1] ; Ferreira, Marcelo J. P. ^[1] ; Udulutsch, Renata G. ^[2] ; Palacios, Carmen E. ^[1] ; Salatino, Maria Luiza F. ^[1]

Affiliation

^[1] Univ Sao Paulo, Dept Bot, Rua Matao 277, BR-05508090 Sao Paulo, SP - Brazil

^[2] Univ Estadual Paulista, Campus Assis, Av Dom Antonio 2100, BR-19806900 Assis, SP - Brazil

• Document type: Journal article
• Source: Biochemical Systematics and Ecology; v. 88, FEB 2020.
• Web of Science Citations: 0

Abstract

Cerrado is a savanna ecosystem of central and southeastern Brazil. Many woody species of cerrado have thick layers of cork. The present work aimed to characterize, by GC/MS analysis, the constituents of n-hexane extracts from the cork of common species from cerrado. Cork samples from 31 individuals, corresponding to 14 species and six families, were analyzed. Similarities and differences were noticed between cork and cuticular waxes regarding profiles of lipophilic constituents. The distribution of cork constituents was analyzed using the UPGMA clustering method and DICE coefficient. All clusters in the dendrogram obtained comprise individuals from a same species, suggesting that the distribution of lipophilic cork constituents is useful for species characterization and possibly also for species identification, resembling results commonly obtained with molecular markers. Seven samples of Bignoniaceae, corresponding to two genera and seven species, emerged in a common cluster, in an arrangement in accordance with the recent segregation of Tabebuia species to a new genus Handroanthus. The markers analyzed were not efficient regarding characterization of other families. (AU)

• FAPESP's process: 16/08034-0 - Chemical characterization, taxonomic potential and biological activity of constituents from the suber of Aspidosperma polyneuron, A. tomentosum, Erythroxylum suberosum and E. tortuosum
• Grantee: Antonio Salatino
• Support Opportunities: Regular Research Grants