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Edible films based on three types of chitosan which differ on their molecular weight were developed as carriers of carvacrol. Stable film forming dispersions were obtained and the one developed from chitosan with higher molecular weight presented higher viscosity and larger carvacrol droplets. Olive oil and 96% ethanol were used as food-simulating solvents to determine the carvacrol release rate from...
For the first time, curcuminoids known for their antioxidant and sunscreen properties were used for photoprotection of lignocellulosics. It was shown that complex between copper(II) and non-substituted curcumin 2, displaying remarkable photostability in ethyl acetate/ethanol solution, is able to photostabilize in some extend -carbonyl -O-4 lignin model and more efficiently spruce wood.
Mass spectra of eight glycobrassicins 2 synthesized as their potassium salts were studied by liquid secondary ion mass spectrometry (LSIMS) using a thioglycerol matrix. Cationized molecules (M+Li) + , (M+Na) + and (M+K) + were observed in all cases. These ions were identified after high resolution measurements with glucobrassicin (2a, sugar = β-D-glucose).
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