The Queensland fruit fly (Bactrocera tryoni) is a major polyphagous pest widespread in Australia and several Pacific Islands. Bacteria present on the host plant phyllosphere supply proteins, essential for egg development female sexual maturity. We investigated role of microbial volatile organic compounds (MVOCs) emitted by Enterobacteriaceae commonly found gut attracting virgin females. were cu...

Biphasic catalysis enables the effective recycling of homogeneous catalysts by their immobilization in an additional liquid phase immiscible with products. The introduced liquid–liquid interfacial area implies mass transfer limitations that play important role understanding these catalytic systems, many rate enhancement strategies revolving around optimizing said area. In this contribution, rel...

Auricularia auricula, one of the most important edible mushrooms, is affected heavily by Trichoderma. We collected diseased samples from main A. auricula cultivation regions to characterize pathogen and study effect Trichoderma spp. on species. identified species, T. pleuroticola, based internal transcribed spacer morphology characteristics, two types strains, Heiwei 15 (HW 15) Hei 29 (H 29), w...

Black tea (Fuyun 6) samples collected from three regions, Youxi, Fu’an, and Datian, were analysed by automatic thermal desorption-gas chromatography–mass spectrometry (ATD-GC–MS) combined with the electronic nose (E-nose) technique to investigate aroma composition differences between black teas different regions. The response surface methodology was used optimize ATD conditions for extracting c...

Green teas in leaf form are brewed multiple times, a common selling point. However, the flavor changes, both sensory and volatile compounds, of green teas that have been brewed multiple times are unknown. The objectives of this study were to determine how the aroma and flavor of green teas change as they are brewed multiple times, to determine if a relationship exists between green tea flavors ...

The essential oil, obtained by steam distillation of flowers, leaves and stems from Wisteria brachybotrys Sieb.et Zucc, collected in Japan was analyzed by gas chromatography (GC) and GC-MS. The important aroma-active compounds were also detected in the oil using GC-MS/Olfactometry (GC-MS/O) and aroma extraction dilution analysis (AEDA). As a result, sixty-eight compounds from flowers of W. brac...

The insect olfactory system discriminates odor signals of different biological relevance, which drive innate behavior. Identification of stimuli that trigger upwind flight attraction toward host plants is a current challenge, and is essential in developing new, sustainable plant protection methods, and for furthering our understanding of plant-insect interactions. Using behavioral, analytical a...

The whitefly Bemisia tabaci is a serious pest with an extensive host range. Previous research has shown that B. tabaci is a species complex with many cryptic species or biotypes and that the two most important species are MEAM1 (Middle East-Minor Asia 1) and MED (Mediterranean genetic group). MEAM1 and MED are known to differ in their preference for cabbage, Brassica oleracea, as a host plant, ...

An electronic nose, comprising nine metal oxide sensors, has been built aiming to classify olive oils according the fruity intensity commercial grade (ripely or light, medium and intense greenly fruity), following European regulated complementary terminology. The lab-made sensor device was capable differentiate standard aqueous solutions (acetic acid, cis-3-hexenyl, cis-3-hexen-1-ol, hexanal, 1...

Supercritical carbon dioxide + ethanol (SC-CO2+EtOH) extraction, was employed as a deflavoring method to improve the sensory properties of pea flours. Furthermore, impacts particle size along with extraction on volatile profile and attributes flours were investigated using multiple approaches. These included headspace solid-phase microextraction-gas chromatography (HS-SPME-GC), GC-olfactometry ...