Wenqin Yuan's research while affiliated with Liaocheng Teachers University and other places
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Publications (4)
Streptococcus mutans (S. mutans) is a common cariogenic bacterium that secretes glucosyltransferases (GTFs) to synthesize extracellular polysaccharides (EPSs) and plays an important role in plaque formation. Propolis essential oil (PEO) is one of the main components of propolis, and its antibacterial activity has been proven. However, little is kno...
The antibacterial activity of propolis has long been of great interest, and the chemical composition of propolis is directly dependent on its source. We recently obtained a type of propolis from China with a red color. Firstly, the antibacterial properties of this unusual propolis were determined against Staphylococcus aureus and methicillin-resist...
Honey adulteration is one of the most prominent issues in food production. Herein, the alternating current (AC) impedance spectroscopy combined with ¹H NMR profile were used to reveal the adulterants in acacia honey. Variation of electrical parameters such as solution resistance (Rs), double layer capacitance (CD), charge transfer resistance (RCT)...
The potential of multiple fluorescence spectroscopy detection methods for the authentication of Robinia pseudoacacia L. honey (acacia honey) was evaluated. Fluorescence intensity (excitation wavelength: 280 nm), three-dimensional fluorescence spectra (excitation wavelengths: 200-460 nm; emission wavelengths: 260-560 nm), and fluorescence lifetime w...
Citations
... Periodontal disease affects many adults globally and can result in painful, swollen, bleeding gums and in severe cases, tooth loss [45]. In recent studies, it has been proved that propolis, due to its polyphenol content principally CAPE and galangin, is able to inhibit cell viability within biofilms, decrease the total biomass of biofilms and disrupt biofilm structure of Streptococcus mutans, slowing bacterial growth and aiding prevention of dental caries [46,47]. ...
... Currently, research using electrical characteristics is frequently conducted to determine the maturity level of various fruits, such as apples, lettuce, mangoes, strawberries, citrus from Garut [9], [10], lemons, tomatoes [11], bananas [12] and other food items, including spinach leaf powder [13], milk [14], meat [15], a lamb [16], yogurts [17], honey [18] and oil palm fruit [7], [19]. Recent advancements have shown that sensors using electrical properties are instrumental in determining oil and water content in oil palm fruit [19]. ...
... Es así como, a nivel mundial se viene explorando y valorando el uso de los productos naturales como fuente de nuevos agentes antimicrobianos (2). Numerosos estudios han demostrado que los extractos de propóleos inhiben eficazmente el crecimiento de MRSA (3), los mecanismos de acción bactericida asociados al propóleo son dos principalmente, por inhibición de la enzima RNA polimerasa o disrupción de la pared celular y/o membrana del patógeno (4)(5)(6). ...
... Fluorescence spectroscopy (Hao et al., 2021a;Karoui et al., 2006;Kongbonga et al., 2011) has great potential in food analysis since foods contain large numbers of fluorescent molecules whose emissions can be used as their characteristic fingerprints . The combination of fluorescence with chemometric methods has been successfully used to distinguish the acacia honey from the syrup (Hao et al., 2021b), to detect orange juice frauds (Ammari et al., 2015), to monitor chemical changes of edible vegetable oils during storage (Botosoa et al., 2021) and heating (Mbesse Kongbonga et al., 2015), to differentiate sheep milk from different genotypes and feeding systems (Hammami et al., 2013), to classify and differentiate rice flours according to their water content and water activity level (Ozbekova and Kulmyrzaev, 2019), to discriminate wheat flours according to their physicochemical parameters (Ahmad et al., 2016), etc. ...
