Xiaxia Wang

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A bacterial strain YMF 3.175 was identified as Alcaligenes faecalis based on its 16S rRNA sequence. Seven compounds including 1,2-benzenedicarboxylic acid bis(2α-methylheptyl) ester (1), cyclo(L-Pro-L-Val) (2), cyclo(Gly-L-Pro) (3), 3-pyridinecarboxylic acid (4), cyclo(L-Pro-L-Tyr) (5), adenosine (6) and L-Val (7) were obtained from the extracts of(More)
Investigation of secondary metabolites in fermentation broth of Wautersiella falsenii YMF 3.00141 led to isolation of 5 compounds, including cyclo-(L-Pro-L-Tyr) (1), 4-phenylbutanoic acid (2), 2(1H)-quinolinone (3), 1H-indole-3-carboxaldehyde (4) and butyl-β-D-glucopyranoside (5). Each of isolated compounds was tested for nematicidal activity against(More)
BACKGROUND To isolate plant-derived compounds with antimicrobial activity from the leaves of Mikania micrantha, to determine the compounds configuration, and to evaluate their antimicrobial activity against eight plant pathogenic fungi (Exserohilum turcicum, Colletotrichum lagenarium, Pseudoperonispora cubensis, Botrytis cirerea, Rhizoctonia solani,(More)
A mathematical model that expresses the relationship between Near-infrared light intensity and automatic threshold for automatic kiwifruit surface defect detection was established. By applying different levels of Near-infrared light intensity to machine vision system, 268 images were collected. Then the images were processed with MATLAB using the method to(More)
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