An escalated content of fatty acids during fermentation can influence the quality of final beer. So it is necessary to use the suitable analytical method for the determination of their concentrations in beer or hopped wort. This work presents the simple and rapid possibility of the selective determination of the free fatty acids (C6-C12) in beer or wort by Solid Phase Microextraction ... https://herbsdailyes.shop/product-category/siberian-ginseng/