Sumários
Tree barks and cork
4 Dezembro 2025, 11:15 • José Afonso Rodrigues Graça
The bark of trees: structure and functions
The phellogen and the formation of the periderm
The outer bark as a rhytidome
The specificities of cork oak outer bark: the cork
Savannah ecosystems and corky barks
Tree barks uses
Cork extraction and harvesting
Amadia as the main cork product
Seminar: Lignin isolation, characterization and valorization
28 Novembro 2025, 11:15 • José Afonso Rodrigues Graça
Seminar Ana Lourenço (ISA)
Lignin: review of concepts
Lignin isolation and characterization
Lignin valorizationSecondary metabolites: Terpenoids and alkaloids
27 Novembro 2025, 11:15 • José Afonso Rodrigues Graça
What are secondary metabolites and their roles in trees
The chemical diversity of secondary metabolites
Alkaloids: structure and occurrence in trees
Terpenoids: structure and classification
Resin as a mixture of mono- and diterpenes
Resin canals in Pines
Resin extraction processes
Gum resin extraction by tapping
Resin industrial processing
Turpentine: composition and industrial products
Colophony: composition and industrial modification and products
Natural rubber: extraction and industrial processing
Lignin: Structure and Technological materials
21 Novembro 2025, 11:15 • José Afonso Rodrigues Graça
Lignin as a major wood component
Lignin as 3D polymeric structure
The phenylpropanol precursors of lignin
Linkage types between lignin monomers
Softwood and Hardwood lignins
Variabilty of lignin in wood tissues and cell layers
Lignin structure and its industrial extraction
Recovery of lignin from wood pulping
Products made from ligninField trip
20 Novembro 2025, 11:15 • José Afonso Rodrigues Graça
Field trip as part of the Wildlife Management and Conservation course