Optimasi Konsentrasi Pelilinan dan Suhu Penyimpanan Buah Manggis dengan Menggunakan Metode Respon Surface
Abstract: Post-harvest
handling is less precise cause of most of mangosteen can not be maintained
quality after harvest. This research is expected to give information a waxing
combination and the optimum temperature to maintain the quality of mangosteen.
Response Surface Method (RSM) was used to create a mathematical model of the
influence of temperature and waxing concentration combined treatment. The
experiment was done using the CCD (Central Composite Design) with storage
temperature treatment (X1) 6OC, 8OC, 13OC, 18OC, 20OC and waxing concentration
(X2) 4%, 5%, 7.5%, 10%, 11%. Quality response that were observed were the
frmness and total soluble solid (TSS) value.The results showed that of the two
quality parameters, TSS is the best response for analysis using RSM with R2
values of 69.3% and lack of ft for 0.093. Mathematical model influence of
temperature and waxing TSS response is Y = 16.4600 - 0.9268X1 - 0.0561X2 + ε.
The model produce the plot surface shaped saddle point with optimum value at
18OC storage temperature and wax concentration of 7.5%, meaning that in those
circumstances the changes in TSS value is minimum during self life.
Penulis: Andriani Lubis, Emmy
Darmawati, dan Sutrisno
Kode Jurnal: jppertaniandd090113

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