
Keywords: HYA, hyaluronic acid; DMAB, p-dimethylaminobenzaldeide; DOSY, Diffusion Ordered Spectroscopy; LMW-HYA, low molecular weight hyaluronic acid; ADS, Amino acid Deprived and Sonicated; AD, Amino acid DeprivedHyaluronic acid; Separation; DOSY; NMR spectroscopy