Analyze odorous substances without errors

Comparative study confirms established method as gold standard

18-Feb-2025 - When analyzing odorants in foods or their raw materials, the formation of artefacts can significantly distort the results. Two researchers from the Leibniz Institute for Food Systems Biology at the Technical University of Munich have now shown in a new comparative study that the choice of ...

Algorithm can sniff out whisky’s strongest notes and origin

23-Dec-2024 - Two machine learning algorithms can determine whether a whisky is of American or Scotch origin and identify its strongest aromas, according to research published inCommunications Chemistry. The results also suggest that the algorithms can outperform human experts at assessing a whisky’s ...

Strawberries under the high-tech magnifying glass

05-Jul-2024 - Sweet notes and healthy ingredients make strawberries one of the most popular fruits worldwide. The complex biochemical compounds that determine the taste and nutritional value of a strawberry - so-called biomarkers - can only be determined in detail by experts using modern analyses. Now, a team ...

Lipids with potential health benefits in herbal teas

The lipids in some herbal teas have been identified in detail for the first time, preparing the ground for investigating their contribution to the health benefits of the teas

05-Apr-2024 - Herbal teas are enjoyed worldwide, not only for their taste and refreshment but also for a wide range of reputed health benefits. But the potential significance of a category of compounds called lipids in the teas has been relatively unexplored. Researchers at Hokkaido University, led by ...

Detect 'forever chemicals' in under 3 minutes

New lab-based method to detect traces of PFAS from food packaging material, water and soil samples

12-Feb-2024 - PFAS have earned the name “forever chemicals” with good reason — the man-made compounds, which can take thousands of years to degrade and are found in everything from grease-resistant food packaging to water-repellent clothing, have made their way into nearlyhalf the U.S. tap water supply. Now, ...

Mystery of Novel Clove-Like Off-Flavor in Orange Juice Solved

Tracking down off-flavours using techniques such as gas chromatography-olfactometry and aroma extract dilution analysis

07-Feb-2024 - A research team led by the Leibniz Institute for Food Systems Biology at the Technical University of Munich has solved the mystery of a novel clove-like off-flavor in orange juice, the cause of which was previously unknown. The study proves for the first time that the undesirable flavor note is ...

New authentication method developed for the identification of β-sitosterol in edible oils

What makes this methodology particularly commendable is its ability to effectively bypass some of the traditionally cumbersome stages of analysis

13-Nov-2023 - In a study published in the journal Food Quality and Safety, researchers from Zhejiang University introduced a pioneering methodology designed to scrutinize the levels of β-sitosterol present in edible oils. With a primary focus on Virgin Camellia Oil (VCO) and Virgin Olive Oil (VOO), this novel ...

New fatty acids found in vegetable oils

Characterize vegetable oils comprehensively

25-Sep-2023 - Whether in salad dressings, for sautéing and deep-frying, or in cake batter - vegetable oils are a key ingredient in food preparation. With a sales volume of almost 80 million liters per year and a market share of around 40 percent, rapeseed oil is the most popular vegetable oil in Germany. ...

Genetically harmful compounds detected in vegetable oils

Genotoxins discovered for the first time using a novel method

06-Mar-2023 - Vegetable oils rich in unsaturated fatty acids are highly recommended for a healthy diet. But these oils are not as healthy as thought: Prof. Dr. Gertrud Morlock, holder of the Chair of Life Sciences at Justus Liebig University Giessen (JLU), together with PhD student Daniel Meyer, has for the ...

Detecting food fraud - thanks to light quanta

Check food for content and origin more cost-effectively

08-Dec-2022 - When shopping in the supermarket, consumers must be able to rely on the food label. But is it always correct? In the joint project QSPEC, AMO GmbH, Laser Zentrum Hannover e.V. (LZH), AG Photonische Quantentechnologien of Leibniz Universität Hannover (LUH), TOPTICA Photonics AG, AMOtronics UG and ...