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HRMAS-NMR-Based Metabolomics Approach to Discover Key Differences in Cow and Goat Milk Yoghurt Metabolomes.
Foods
October 2024
Animal Products Research and Development Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea.
This study highlights the differences in the metabolomes of cow milk yoghurt (CY) and goat milk yoghurt (GY) using a nuclear magnetic resonance (NMR)-based metabolomic approach. The 1H HRMAS-NMR spectrum displayed 21 metabolites comprising organic acids, sugars, amino acids, amino acid derivatives and phospholipids. The orthogonal partial least squares discriminant analysis model clearly separated CY and GY groups, implying differences in metabolite composition.
View Article and Find Full Text PDFInventory of the best-selling medicinal plants on the Lubumbashi markets (DR Congo) and authentication of samples from the 3 most popular species.
J Ethnopharmacol
February 2025
Laboratory of Pharmacognosy, Department of Pharmacology, Faculty of Pharmaceutical Sciences, Université de Lubumbashi (UNILU), 1825, Lubumbashi, the Democratic Republic of the Congo.
Ethnopharmacological Relevance: Knowledge of the high-sale medicinal plants and their authentication are essential parameters to ensure the safety of people using herbal medicine and to plan the safeguarding of medicinal species threatened with extinction.
Aims: The present study, carried out in Lubumbashi, Democratic Republic of Congo, aimed to geolocate medicinal plant sales points, list the best-selling species, and authenticate samples of the most popular species on the market.
Methods: A survey was conducted among the medicinal plant sellers in Lubumbashi's markets and other public spaces, to identify the best-selling species.
Effects of energy-gathered and energy-divergent ultrasound on structure, DNA extraction and adulterated quantification of sweet potato vermicelli and its starch.
J Sci Food Agric
October 2024
Laboratory of Food Chemistry and Nutrition Science, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing, China.
Background: The identification of adulterated sweet potato vermicelli faces significant challenges, seriously hindering the development of the vermicelli industry. Herein, we investigate effects of energy-gathered ultrasound (EGU) and energy-divergent ultrasound (EDU) (30, 40 and 50 W L) on structure, DNA extraction and adulterated quantification of sweet potato vermicelli and its starch, thereby exploring their potential in adulteration of sweet potato vermicelli.
Results: EGU-assisted modified cetyltrimethylammonium bromide (CTAB) protocol with β-mercaptoethanol significantly improved DNA extraction from sweet potato vermicelli (223.
Identification and quantification of adulteration in collagen powder by terahertz spectroscopy - the effect of spectral characteristics on performance is considered.
Spectrochim Acta A Mol Biomol Spectrosc
February 2025
College of Mechanical and Electrical Engineering, Sichuan Agriculture University, Ya'an 625014, China; Sichuan Intelligent Agriculture Engineering Technology Research Center, Ya'an 625014, China. Electronic address:
Terahertz spectroscopy is an emerging rapid detection method that can be used to detect and analyze food quality issues. However, models developed based on various spectral characteristics of terahertz have shown different performances in food identification. Therefore, we preliminarily analyzed the effect of terahertz spectral characteristics on the identification and quantification of collagen powder adulterated with food powders (plant protein powder, corn starch, wheat flour) with the use of random forest (RF), linear discriminant analysis (LDA), and partial least squares regression (PLSR), and determined the spectral characteristics suitable for identification and quantitative analysis.
View Article and Find Full Text PDFTomato paste is the most consumed tomato product on the Ghanaian market, the majority of which are imported into the country. This food product is easily adulterated, and thus, routine quality checks are necessary. Therefore, the current study is aimed at assessing the quality of eight tomato paste products on the Ghanaian market and checking for the presence of starch and artificial colourant erythrosine as possible adulterants.
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