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19 q&more articles about the topic analytics

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More than honey?

Rapid authenticity testing for honey with NMR spectroscopy and consequences for sample preparation

For thousands of years, the word “honey” has been synonymous with an all-natural, healthy food. Unsurprisingly, honey has also enjoyed unwavering popularity with consumers – and especially in times when organic food and a healthy lifestyle are more in vogue than ever before.

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Highly-prized components

Rapid, gentle extraction of plant-derived ingredients for concentration in plant oils

The isolation of bioactive plant ingredients, essential oils or dyes and flavourings of plant origin requires costly and sophisticated procedures. Several applications do not actually require isolation of the individual components, however – their concentration is sufficient. Moreover, for ...

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An all-round superfood?

Chia: a healthy supplement, not a substitute

Whether the web community wants to lose weight or eat healthily, chia is their constant companion and seen by some as an all-round “superfood”. The relevant internet forums are busy swapping a whole host of recipes for chia pudding and chia fresca, followed by ideas for muffins and even ...

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A turning point

Where does manual sample preparation stand?

The pressure is on to do more with less. Whether this applies to increased workload with lower headcount or more analytical tests with less milligrams of sample, how can today’s pharmaceutical and biopharmaceutical companies make ends meet?

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Accuracy and Precision

From the FDA to ISO, from Pharmaceuticals to Food – Measurements using Reference Materials

Reference materials have become indispensable as important points of reference in analytical chemistry. There exists a wide range of the most varied materials due to a multitude of institutions, policies, users and applications. In pharmaceutical analysis, these materials – often called standards ...

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A Complex Mixture

Automated MOSH/MOAH determination with the aid of coupled LC-GC

Once only of academic interest, the combination of liquid chromatographic separation with subsequent separation in the gas-phase is proving to be suitable for routine use. In routine laboratory work, the method continues to present a major challenge, above all with regard to precision, ...

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Interesting Health Promoters

The in vivo-metabolism of flavonoids: a challenge for analytics and pharmacology

There is barely a class of compounds among the secondary metabolites of plants that is so prominently represented in our lives as that of the flavonoids. They are found in ­numerous food substances in various oxidation states, and principally as glycosides (Fig. 1). By consuming fruit, vegetables ...

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What Are We Eating?

Food quality analysis using NMR

What ends up on our plates? We used to think we knew – until we were disabused of this notion in early 2013. Instead of beef, there had been large-scale use of processed horsemeat, especially in frozen products and mincemeat. Although this posed no hazard to health, the damage was enormous, since ...

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The Third Dimension

Protein analysis using multidimensional liquid chromatography with monolithic phases and mass spectrometry

Proteins play a fundamental role in our day-to-day lives. Thanks to proteins we can speak, move about and think; they protect us from disease and repair damage to our bodies. Proteins are also becoming more popular as active pharmaceutical ingredients: in 2012, the market share of ...

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