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Characterization of primary aroma compounds in Pu-erh raw tea sourced from various regions using gas chromatography-mass spectrometry and headspace solid-phase microextraction.
J Food Sci
December 2024
Institute of Quality Standards & Testing Technique, Yunnan Academy of Agricultural Science, Kunming, China.
Article Synopsis
- - The study investigates the aroma of Pu-erh tea by analyzing volatile compounds from five regions in Yunnan using advanced techniques like gas chromatography-mass spectrometry (GC-MS) and headspace solid phase microextraction (HS-SPME).
- - A total of 69 aroma-active compounds were identified, with alcohols, ketones, and aldehydes being the most common, and significant differences in terpenoid enantiomers were noted.
- - Important compounds were highlighted through statistical analysis, and a KEGG pathway analysis pointed to key metabolic pathways related to aroma compounds, indicating their roles in the tea's flavor profile.
Integrated Analysis of Gut Microbiome, Inflammation, and Neuroimaging Features Supports the Role of Microbiome-Gut-Brain Crosstalk in Schizophrenia.
Schizophr Bull Open
January 2024
Psychiatry Department, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
Background And Hypothesis: Gut microbiota has been implicated in the pathogenesis of schizophrenia (SZ) and relevant changes in the brain, but the underlying mechanism remains elusive. This study aims to investigate the microbiota-gut-brain crosstalk centered on peripheral inflammation in SZ patients.
Study Design: We recruited a cohort of 182 SZ patients and 120 healthy controls (HC).
Floral phenotypic divergence and genomic insights in an Ophrys orchid: unraveling early speciation processes.
New Phytol
January 2025
Laboratoire Génome et Développement des Plantes (LGDP) UMR 5096, Université de Perpignan Via Domitia (UPVD) - Centre National de la Recherche Scientifique (CNRS) - Institut de Recherche pour le Développement (IRD), EMR 269 MANGO, Perpignan, F-66860, France.
Article Synopsis
- The study focuses on how Ophrys orchids have developed diverse floral traits (scent, color, shape) as they undergo early stages of speciation in isolated populations.
- A new method was used to analyze floral traits and their genetic basis, revealing significant genetic divergence linked to these phenotypic variations, particularly in floral odor.
- The research highlights the importance of understanding early speciation processes and genomic regions that may drive these adaptations, suggesting a complex interplay of selection pressures on different floral characteristics.
Comparative analysis of the growth differences between hybrid Ningdu Yellow chickens and their parentals.
Poult Sci
December 2024
Department of Biological Technology, Huida Industry Co., Ltd., Ningdu, Jiangxi, 342800, China.
Although the local high quality chicken breed in China has excellent flavor, its growth rate is inferior to that of foreign breeds. To improve the growth rate of local chicken breeds, it is crucial to study the mechanism of chicken muscle development. Herein, Ningdu Yellow chicken was used as the research object, and a new hybrid breed (W) was obtained by crossing the G, H and D lines, which combined the excellent physiological characteristics of its parents.
View Article and Find Full Text PDFComparative analysis of intestinal structure, enzyme activity, intestinal microbiota and gene expression in different segments of pufferfish (Takifugu Obscurus).
Comp Biochem Physiol Part D Genomics Proteomics
December 2024
Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Engineering Technology Research Center for Environmentally-Friendly Aquaculture, School of Life Sciences, South China Normal University, Guangzhou 510631, PR China. Electronic address:
The structure of fish intestines does not have a clear regional division, while the function of the intestines may be related to their structure. Therefore, in this study, the delimitation of intestinal segments in pufferfish (Takifugu obscurus) was achieved by morphological analysis. Subsequently, enzyme activity, intestinal microbiota, and gene expression were examined to compare the differences among the pufferfish various segments.
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