Trabalho apresentado em evento
Biomass production and chemical composition of Lippia alba (Mill.) NEBr. ex Britt & Wilson in leaves on different plant parts in different seasons
Fecha
2002-01-01Registro en:
Proceedings of the First Latin-american Symposium on the Production of Medicinal, Aromatic and Condiments Plants. Leuven 1: International Society Horticultural Science, n. 569, p. 111-115, 2002.
0567-7572
WOS:000176152700018
Autor
Universidade Estadual Paulista (Unesp)
Resumen
Lippia alba, family Verbenaceae, is widely spread in Central and South American. It's a shurb with a quadrangular branch reaching 1,7m tall. The leaves are membranaceous, petiolate, pubescent with a strong flavor. It's limbs have variable forms with pointed apex, cuneiform or decumbent base, and serrated or crenated hordes. It was determined the best harvest season to biomass production, essential oil content and chemical composition, on different plant parts (apical, medium, basal). It has been observed that, both apical and medium parts represented around 80 % of the fresh leaf mass. The foliar biomass yields are about 5 ton/ha in four harvests during an year. The average yield of essential oil considering the three plant parts were 0.15%, 0.47%, 0.46%, 0.55% and 0.61% for summer/98, autumn/98, winter/98, spring/98 and summer/99, respectively. Essential oils showed similar chemical composition either in relation to seasonality, neral, geranial and t-cariofilene were the majority compounds.