LC-MS and LC-DAD-MS/MS analyses of polyphenols e.g., anthocyanins, flavan-3-ols, tannins, phenolic acids, etc.

Untargeted analyses and metabolomic fingerprinting of grapes and wines using LC-MS based techniques.

Metabolites annotation using high-resolution MS, MS fragmentation, and UV-Vis spectrum.

Effects of storage, e.g., packaging, oxygen, temperature, and light effect, on wine quality.

Influence of plant stresses, e.g., water stress, hormones’ use, defoliation, etc. on grapes quality and resistance to diseases.