Efficacy of Liquid Smoke and Characterization of Beeswax and Liquid Smoke Combination as Fruit Coating for Prevention of Fruit Base Rot Desease on Salak Pondoh

摘要

Salak pondoh (Salacca edulis Reinw) is one of the export fruit commodities in Indonesia that is easily exposed to fruit base rot diseases. Coating treatment can be used to prevent the deseases . This research aims to analyze and determine the best composition of beeswax and liquid smoke as coating material. The study consisted of several stages, the first stage was testing of liquid smoke antifungal activity, second wasmaking of film solution, the third was film making with the concentration of beeswax (3%; 5% and 8%) and liquid smoke (1; 2.5 and 5%) using casting or printing techniques, fourth stage was selection of the best beeswax and liquid smoke combination in the solution. Three parameters of the films was evaluated. The results showed that the concentration of 5% liquid smoke was able to inhibit the growth of Thielaviopsis sp. up to 7 days after iniculation. The films had a ΔE film values ranging from 2.21-5.93, thicknesses valueswere from 0.07-0.16 mm, and WVTR values were from 3.05-4.63 g/m2.24jam. The combination 5% liquid smoke and 8% produces a film formulation that has good characteristics that can be applied as a fruit coating to prevent fruit base desease on salak pondoh.