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Rapid detection of volatile organic compounds emitted from plants by multicapillary column-ion mobility spectrometry.
Anal Methods
December 2024
Department of Experimental Physics, Comenius University, Mlynská dolina F2, 84248 Bratislava, Slovakia.
This study presents a novel rapid analytical method for the detection of volatile organic compounds (VOCs) emitted from blueberry leaves using the Tenax adsorbent followed by separation using a multicapillary column (MCC) and Ion Mobility Spectrometry (IMS) detection. The emitted VOCs including caryophyllene, benzene acetonitrile, linalool, ocimene, and methyl salicylate initiated by different stress factors including mechanical damage (punching), herbivore attack (aphids) and methyl jasmonate (MeJA) spraying were detected and quantified. Limits of Detection (LODs) for the VOCs were determined in the range of 8 to 33 ng.
View Article and Find Full Text PDFInnovative enhancement of flavor profiles and functional metabolites composition in through lactic acid bacteria fermentation.
Food Chem X
December 2024
Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning 571533, Hainan, China.
, known as Pandan, serves as a coloring agent and spice in food. The effects of lactic acid bacteria (LAB) on Pandan are underexplored. This study aimed to investigate changes in physicochemical properties, antioxidant activity, volatile compounds and metabolites of Pandan fermented with , and .
View Article and Find Full Text PDFAshbya gossypii as a versatile platform to produce sabinene from agro-industrial wastes.
Fungal Biol Biotechnol
October 2024
Metabolic Engineering Group, Department of Microbiology and Genetics, Universidad de Salamanca, Campus Miguel de Unamuno, 37007, Salamanca, Spain.
Background: Ashbya gossypii is a filamentous fungus widely utilized for industrial riboflavin production and has a great potential as a microbial chassis for synthesizing other valuable metabolites such as folates, biolipids, and limonene. Engineered strains of A. gossypii can effectively use various waste streams, including xylose-rich feedstocks.
View Article and Find Full Text PDFPleasant Odor Decreases Mouse Anxiety-like Behaviors by Regulating Hippocampal Endocannabinoid Signaling.
Int J Mol Sci
October 2024
National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun 130012, China.
Anxiety disorder is one of the most common neuropsychiatric disorders, and affects many people's daily activities. Although the pathogenesis and treatments of anxiety disorder have been studied for several decades, the underlying mechanisms remain elusive. Here, we provide evidence that olfactory stimuli with inhaled linalool or 2-phenylethanol decreased mouse anxiety-like behaviors and increased the activities of hippocampal dentate granule cells (DGCs).
View Article and Find Full Text PDFInteraction and dynamic changes of microbial communities and volatile flavor compounds during the fermentation process of coffee flower rice wine.
Front Microbiol
September 2024
Sericulture and Apiculture Research Institute, Yunnan Academy of Agricultural Sciences, Mengzi, China.
Article Synopsis
- Scientists created a special rice wine using coffee flowers, which have helpful health benefits.
- They studied how the bacteria and fungi changed during the fermentation process and found out which ones were the most important.
- After some testing, they made a tasty coffee flower rice wine with a nice aroma and specific flavors, which can help improve how it's made in the future.
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