Ignatius Srianta Food Technology Study Program, Faculty of Agricultural Technology Widya Mandala Catholic University Surabaya Indonesia
Ratna Megawati Widharna Faculty of Pharmacy, Widya Mandala Catholic University Surabaya Indonesia
Leonardus Broto S. Kardono Chemistry Research Center, Indonesian Institute of Sciences, PUSPIPTEK Area, Serpong-Tangerang Indonesia
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