Volatile compounds in different parts of the fruit Psidium guajava L. cv. “Media China” identified at distinct phenological stages using HS‐SPME‐GC‐QTOF/MS

Abstract

The most abundant VOC released by the immature fruit in the plantation overnight was (S)-limonene, and it concentrated in the outer skin (pericarp). The esters ethyl benzoate, ethyl octanoate, butyl-2-methylbutanoate, ethyl hexanoate, cis-3-hexenyl acetate, and ethyl butanoate were emitted by ripe whole fruits. During ripening ethyl benzoate reached a maximum production after three to five days, while the formation of the aldehydes benzaldehyde, hexanal and trans-2-hexen-1-al started thereafter.

Chemometrics-Based Aroma Discrimination of 14 Egyptian Mango Fruits of Different Cultivars and Origins, and Their Response to Probiotics Analyzed via SPME Coupled to GC–MS

“…It has been applied since the early 2000s for a comprehensive isolation and analysis of aromas of different food and foodstuffs, including virgin olive oils, and water as well . In comparison with liquid–liquid extraction and simultaneous distillation-extraction, HS-SPME/GC–MS has been reported as the most valuable and non-destructive analytical technique for profiling of VOCs derived from plant bacteria interactions and herbal and food products. , However, some drawbacks have been reported, being related mainly to sensitivity, stripping of coating, life times, and a limited number of commercially available stationary phases . Hence, different kinds of adsorbent fibers should be tried as a prerequirement for selection of the best fiber that can facilitate the detection of the highest number of VOCs.…”

Profile of Terpenoid Compounds Mediating a Plant‐Herbivore Interaction: Screening by Static Headspace Solid‐Phase Microextraction‐Gas Chromatography/Q‐ToF Mass Spectrometry

“…Authors identified, as our group, limonene and caryophyllene [16] . The results of previous study showed that hexanal, cis‐ 3‐hexenyl acetate, limonene, and nonanal were the most abundant VOCs in immature fruit during daytime emissions [17] . cis‐ 3‐Hexenyl acetate was not detected in Colombian immature fruit analyzed by Romero‐Frías et al [15] .…”

COVID-19 impacts on the guava crop production system in Calvillo, Aguascalientes, Mexico

“…Aporta 30% de la producción nacional con un valor comercial de 300 millones de pesos (SIAP, 2021; Elizalde- The guava-producing area in Calvillo, which occupies 6268 ha, is the oldest in Mexico, going back more than 100 years. It accounts for 30% of the national production, with a commercial value of 300 million pesos (SIAP, 2021;Elizalde-González and Segura-Rivera, 2018). Most guava orchards are located on slopes greater than 20% (Padilla et al, 2003), in poor soils with a high content of calcium carbonates, alkaline pH, and 600-1800 meters above sea level.…”