This study describes results obtained using a Headspace-SPME/GC-MS method. In a previous paper this technique has been applied to quantify 2-acetyl-1 -pyrroline, a key odorant in fragrant rice. The aim of this work was to evaluate and compare the total aroma composition of different rice cultivars. Results obtained show that volatile fraction is composed of aldehydes, alcohols, hydrocarbons, ketones, heterocycles, phenols, terpenes; 2-acetyl-1-pyrroline is present just in fragrant rice cultivars. Headspace-SPME/GC-MS gives data comparable to data obtained with conventional extraction methods but produces samples with high compound concentration, low leve! contamination and shorter sample preparation time.
Metabolic profiling of italian aromatic rice varieties
CORANA F;MANNUCCI B;G. MELLERIO;
2004-01-01
Abstract
This study describes results obtained using a Headspace-SPME/GC-MS method. In a previous paper this technique has been applied to quantify 2-acetyl-1 -pyrroline, a key odorant in fragrant rice. The aim of this work was to evaluate and compare the total aroma composition of different rice cultivars. Results obtained show that volatile fraction is composed of aldehydes, alcohols, hydrocarbons, ketones, heterocycles, phenols, terpenes; 2-acetyl-1-pyrroline is present just in fragrant rice cultivars. Headspace-SPME/GC-MS gives data comparable to data obtained with conventional extraction methods but produces samples with high compound concentration, low leve! contamination and shorter sample preparation time.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
