391 Compression Bruising Alters the Strawberry Volatile Profile

Attenuated UV Radiation Alters Volatile Profile in Cabernet Sauvignon Grapes under Field Conditions.

This study aimed to explore the effect of attenuated UV radiation around grape clusters on the volatile profile of Cabernet Sauvignon grapes (Vitis vinifera L. cv.) under field conditions. Grape bunches were wrapped with two types of polyester films that cut off 89% (film A) and 99% (film B) invisible sunlight of less than 380 nm wavelength, respectively. Solar UV radiation reaching the grape b...

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1 Université Pierre et Marie Curie-Paris 6, Centre de Recherche de l’Institut du Cerveau et de la Moelle épinière, UMR-S975; Inserm, U975, CNRS, UMR 7225, 75013 Paris, France 2 Centre national de référence des démences rares, 75013 Paris, France 3 Université Lyon I; Centre de Neurosciences Cognitives, CNRS UMR5229; Service de Neurologie C, Hôpital Neurologique Pierre Wertheimer, 69500 Bron, Fra...

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Profile of volatile metabolites in human urine.

Volatile constituents of 30 urines from 10 adults have been studied by gas chromatography, and two also by mass spectrometry. The sample was prepared by extracting urine with ethyl ether, distilling the extract at low temperature under reduced pressure, and concentrating the distillate to a few microliters. High-efficiency capillary columns, 150 m X 0.5 mm i.d., provide the resolution necessary...

State of the Field Functional Characterization of Enzymes Forming Volatile Esters from Strawberry and Banana

Volatile esters are flavor components of the majority of fruits. The last step in their biosynthesis is catalyzed by alcohol acyltransferases (AATs), which link alcohols to acyl moieties. Full-length cDNAs putatively encoding AATs were isolated from fruit of wild strawberry (Fragaria vesca) and banana (Musa sapientum) and compared to the previously isolated SAAT gene from the cultivated strawbe...