Abstract
The migration of antioxidants including α-tocopherol (AT) and butylated hydroxytoluene (BHT) from durian rind cellulose reinforced poly (lactic acid) (PLA) biocomposites into 95% ethanol and its effect on stability of edible oil were investigated. The biocomposites materials containing 5% w/w antioxidant were compounded using Brabender internal mixer followed by hot press machine and were then placed in contact with 95% ethanol at 27°C and 37°C. Released antioxidants were measured by UV-spectroscopy for 45 days. The material containing BHT generated the faster release than α-tocopherol. Both of antioxidants released at 37°C faster than 27°C. The faster release of antioxidant from each condition resulting inhibition of lipid oxidation. Oxidative stability of edible oil was investigated by monitoring of peroxide value (PV) of edible oil. The result was found that edible oil contact with biocompotises containing BHT showed lower PV compared to α-tocopherol during storage. Therefore, it can be summarized that BHT is suitable antioxidant to be used in active packaging application for edible oil.
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