Imaging metabolic mechanisms and the binding behavior of nutrients/transporters of edible Matricaria flowers VOCs.

To promote the consumption of flowers and to utilize the nutritional value of proteins, the efficacy of the beneficial components of flowers has been intensively studied. Anthemis nobilis was used as the study object, and all its volatile components (VOCs) were fingerprinted using headspace solid-phase micro-extraction gas-mass spectrometry (HS-SPME/GC-MS). GC-MS fingerprints of five parts of Anthemis nobilis were established using three proteins, bovine lactoferrin (BLF), bovine lactoglobulin (β-Lg), and human serum albumin (HSA), as nutrient transporters.

Highly catalytic supramolecular host-guest complex for high value directional conversion of lignin to syringyl monomer.

In order to meet the challenge of enzyme catalysis of waste lignin, laccase (LAC)- guaiacyl(G)-type monomers noncovalent supramolecular system (LGS) were constructed for conversion of lignin. In this contribution, the catalytic effect of LGS formed by LAC and G-type monomers was studied. LAC changes the secondary structure conformation of its binding site to accommodate the G-type monomer, which is bound by hydrogen bonding and hydrophobic interactions.

Imaging human serum albumin behavior in process of PVOCs transportation in vivo: Spectroscopy analysis insight.

Pomelo volatile organic compounds (PVOCs) are used as food additives to provide unique flavors, thus, and the possible effects of VOC binding to albumin should be considered. Headspace solid-phase microextraction with gas chromatography-mass spectrometry was used to fingerprints adsorption of PVOCs on human serum albumin (HSA). Spectral data and molecular modeling were used to establish a binding model between PVOCs and HSA.