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Edible films with desired mass transport properties have been receiving much attention for commercial packaging. In this paper, a modified nanofiltration setup using dialysis membrane was developed for the preparation of biomass-based edible (BE) film. The prepared films are effective barriers to oxygen by discriminating the molecular size and relative affinity between gas and film polymer matrix...
There has been considerable interest in the improvement of the stability of tea polyphenols (TPP), which are susceptible to oxidation, even after encapsulation. The results of current study showed that the addition of sulfated cellulose nanocrystals (SCNC) resulted in improved colloidal stability of gelatin-encapsulated tea polyphenols (G-TPP), leading to enhanced free radical scavenging capacity...
Cellulose nanocrystal (CNC), as a natural/sustainable material, has attracted considerable attention, and its preparation from the sulfuric acid hydrolysis process has attained the precommercial demonstration stage. In this study, the process was further characterized by following the alkali solubility in an 18 % sodium hydroxide solution (S18) and the degree of polymerization (DP) of the cellulosic...
The oxidation of cellulose nanocrystal (CNC) by sodium periodate can generate aldehyde functions for crosslinking reactions or for further modification, which can extend the range of applications of CNC. In this paper, the effects of reaction conditions during the periodate oxidation of CNC, such as oxidant concentration, pH, temperature and oxidation time on the oxidized CNC yield and the aldehyde...
Alkenyl succinic anhydride (ASA) is a reactive sizing agent that can impart good water repellence to paper by decreasing the wettability of the cellulose fibers. However, ASA can undergo hydrolysis, which is detrimental to the ASA sizing efficiency. In order to improve the ASA emulsion stability and ASA sizing efficiency, we used cationically modified cellulose nanocrystals (CNCs) to stabilize the...
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