Antioxidant activities and chemical profiles of pyroligneous acids from walnut shell

Significant damage‐rescuing effects of wood vinegar extract in living Caenorhabditis elegans under oxidative stress

“…13,14 However, previous studies valued the antioxidant for agricultural and food use only by typical chemical assays. 12,15 There are still no reports focusing on the biological valuation in living animals or systems.…”

Impact of treatment with oxidative bleaching agents on walnut (Juglans Regia L.) shell chromatic parameters

“…It has been found that oxidative bleaching agents are more effective, and that whitening depends on the concentration of agents, the temperature and pH of the medium and walnuts lasting retention in bleaching environment. After blanching nuts shell, bleaching agents studied form the following series: Na 2 B 2 O 4 (OH) 4 >Okoron 12>H 2 O 2 > Ca (ClO) 2 Considering the activity of bleaching agents and their toxic emissions, walnuts can be bleached with Na 2 B 2 O 4 (OH) 4 (concentration 5%, pH-10, temperature -60 °C, retention time -40-50 min).…”

“…For walnut bleaching were selected oxidising agents: H 2 O 2 , Okoron12, Na 2 B 2 O 4 (OH) 4 and Ca(ClO) 2 (concentrations in the neighborhood of 1-10% being found satisfactory). The process was performed in the temperature range -20-60 °C and at the pH range 3 to 10 (pH adjusted with HCl or NaOH to the desired value).…”

“…About 25.16% cellulose, 21,32% hemicelluloses, and 53.52% lignin were reported in the Walnut shel [4].…”

UTILIZATION OF NATURAL IRON ORE FOR CATALYTIC REACTION OF (Pyroligneous acid) DERIVED FROM PALM KERNEL SHELLS

“…There are many previous studies about the treatment of pyroligneous acid such as its antioxidant capability from the walnut shell (Wei et al 2010), mangrove plant (Loo et al 2007), and pineapple (Mathew et al 2015). All of the pyroligneous acids can be used as an alternative natural antioxidant.…”