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Food processing enterprises produce enormous amounts of organic waste that contains valuable phytochemicals (e.g. C17-polyacetylenes). Knowledge on the phytochemicals content is a first step towards valorisation. Quantification of C17-polyacetylenes is however often hampered by the lack of commercially available standards or by tedious multistep in-house standard production procedures. In the current...
Alkaline saponification is often used to remove interfering chlorophylls and lipids during carotenoids analysis. However, saponification also hydrolyses esterified carotenoids and is known to induce artifacts. To avoid carotenoid artifact formation during saponification, Larsen and Christensen (2005) developed a gentler and simpler analytical clean-up procedure involving the use of a strong basic...
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