计算溶液所需的质量、体积或浓度。
,适用于对基线干扰要求严格的色谱和分析工作流程。
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在色谱分析、有机合成和交叉偶联反应领域已被 0 篇同行评审文献引用。
Frequentin, a secondary metabolite produced by Penicillium janthinellum, is influenced by environmental conditions such as cadmium nitrate and sodium chloride concentrations. In cadmium nitrate-free medium, P. janthinellum produces cyclopenin, carlosic acid, erythroskyrin, kojic acid, and patulin. At 100 ppm cadmium nitrate, it produces cyclopenin, carlosic acid, frequentin, and islandicin. In the presence of sodium chloride, frequentin is produced at 2% and 3% concentrations. These findings indicate that frequentin production is sensitive to specific environmental stressors, highlighting its potential variability under different growth conditions.