Faculty of Agriculture

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Browsing Faculty of Agriculture by Subject ", wax"

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    Penggunaan Lilin Untuk Memperpanjang Umur Simpan Buah Naga Merah (Hylocereus polyrhizus)
    (2013-01-22) Hasibuan, Saddam Husein; Harun,Noviar; Efendi,Raswen
    The aims of this study to determine the effect of combined treatmen wax agains shelf life red dragon fruit (Hylocereus polyrhizus)., this study was done at the Laboratory of Processing and Analysis of Agricultural Products, Faculty of Agriculture, University of Riau. In March to June 2012. The design used in the study was completely randomized design (CRD) with 5 treatments and 4 replications. Treatments were performed during the study were L1: Not given wax emulsion ; L2: Given a concentration of 2% wax emulsion; L3: Given a concentration of 4% wax emulsion; L4: Given a concentration of 6% wax emulsion; L5: Given a concentration of 8% wax emulsion. The resulting data been statistically analyzed with analysis of variance. The are observations made the measurement of total dissolved solids, weight shrinkage measurement, respiration rate measurements and organoleptic tests include skin color, flesh color,are descriptive. The best treatment is the treatment of 6% wax coating with total dissolved solids day to-10: 1,36°brix. Losses weight day to-10: 7,92. Fruit respiration rate day to-10: 14,65 O2/kg.jam