Research Keyword: chemometrics

Multiple Technology Approach Based on Stable Isotope Ratio Analysis, Fourier Transform Infrared Spectrometry and Thermogravimetric Analysis to Ensure the Fungal Origin of the Chitosan

This study develops reliable methods to identify whether chitosan used in winemaking comes from mushrooms or shellfish. Using isotope analysis, heat testing, and infrared spectroscopy, researchers established clear markers to distinguish fungal chitosan from crustacean-derived versions. This is important because only mushroom-derived chitosan is legally permitted in wine production due to allergy risks associated with shellfish proteins.

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Headspace Solid-Phase Microextraction Followed by Gas Chromatography-Mass Spectrometry as a Powerful Analytical Tool for the Discrimination of Truffle Species According to Their Volatiles

This study analyzed the aromatic compounds in two types of Greek truffles to distinguish between them. Researchers used a technique called headspace solid-phase microextraction combined with gas chromatography to identify 45 different volatile compounds. The study found specific aromatic markers that uniquely identify each truffle species, demonstrating that this analytical approach can reliably differentiate between truffle types based on their smell.

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Marine-derived Acremonium strain prioritization using untargeted metabolomics approach for the identification of cytotoxic cyclic depsipeptides

Researchers discovered five potent anti-cancer compounds from Arctic fungi called Acremonium strains. Using advanced chemical analysis techniques, they identified and tested these cyclic depsipeptides against various cancer cell types. The most active compound showed promising results against breast cancer and melanoma cells with extremely low concentrations needed for effect. These findings suggest Arctic microorganisms could be valuable sources for developing new cancer treatments.

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Metabolic fingerprinting to elucidate the biodegradation of phosphonoacetic acid and its impact on Penicillium metabolism

Scientists studied how three types of mold fungi break down and use a phosphorus-containing compound called phosphonoacetic acid. Using advanced chemical analysis, they identified unique metabolic patterns in each fungal strain depending on whether they were given regular phosphorus or the more challenging phosphonoacetic acid. These findings reveal how fungi adapt their internal chemistry to handle different phosphorus sources and could help identify which fungi are best at breaking down harmful phosphorus-containing chemicals in the environment.

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Marine-derived Acremonium strain prioritization using untargeted metabolomics approach for the identification of cytotoxic cyclic depsipeptides

Researchers studied six fungal strains from Arctic driftwood to find cancer-fighting compounds. Using advanced chemical analysis methods, they identified one strain that was particularly good at killing cancer cells in the lab. From this strain, they isolated five related compounds called depsipeptides that showed strong activity against multiple types of cancer cells. This discovery highlights how fungi from extreme environments like the Arctic could be valuable sources for developing new cancer treatments.

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Marine-derived Acremonium strain prioritization using untargeted metabolomics approach for the identification of cytotoxic cyclic depsipeptides

Researchers studied fungi collected from Arctic driftwood to find new cancer-fighting compounds. Using advanced chemical analysis tools, they identified six different fungal strains and found that one strain, Acremonium synnematoferum, produced five unique compounds called depsipeptides. These compounds killed cancer cells in laboratory tests, showing promise as potential cancer treatments. This research highlights how extreme Arctic environments can harbor fungi with powerful medicinal properties.

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Application of ATR-FTIR and FT-NIR spectroscopy coupled with chemometrics for species identification and quality prediction of boletes

Researchers developed a fast and non-destructive method to identify different types of edible boletes and assess their nutritional quality by analyzing their amino acid content. Using special spectroscopy techniques combined with computer analysis, they achieved perfect accuracy in identifying five bolete species and could predict the amino acid content that contributes to flavor and nutrition. This breakthrough provides consumers with better protection against accidentally purchasing toxic mushroom species that look similar to edible ones, while helping food producers quickly assess quality without lengthy lab testing.

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