Compostos voláteis em noni (Morinda citrifolia L.) em dois estágios de maturação

AUTOR(ES)

Pino, Jorge Antonio, Márquez, Eliosbel, Quijano, Clara Elizabeth, Castro, Déborah

FONTE

Food Science and Technology

DATA DE PUBLICAÇÃO

2010-03

RESUMO

The volatile components of noni at two ripening stages were isolated by headspace solid-phase microextraction using 65 µm Polydimethylsiloxane-Divinylbenzene (PDMS/DVB) fibers and analyzed using GC/MS. Both maturation stages had several compounds in common. Ninety-six compounds were identified, from which octanoic acid ( 70% of total extract) and hexanoic acid ( 8% of total extract) were found to be the major constituents. Due to noni maturation, octanoic acid, decanoic acid and 2E-nonenal decreased their concentrations, while some esters (methyl hexanoate, methyl octanoate, ethyl octanoate and methyl 4E-decenoate), which their fruity odor notes, increased their contents. Two unsaturated esters, reported for the first time in this fruit, 3-methyl-3-buten-1-yl hexanoate and 3-methyl-3-buten-1-yl octanoate, significantly decreased their concentration in the ripe to over-ripe fruits.

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