Fadli HafizulhaqUniversitas Andalas | ANDA · Department of Agriculture and Biosystem Engineering
Fadli Hafizulhaq
Doctor of Agriculture Engineering
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Publications (14)
Packaging industry is the dominant user of plastic that contribute highest amount of plastic waste entering our environment. Hence, alternatives such as bio-based plastic have emerged and becoming more commercialized. Thermoplastic starch (TPS) is one of the raw materials used in the production of bioplastic film. However, the major drawback of usi...
Sifat-sifat fisik dari buah dapat digunakan untuk mendesain sistem maupun mesin yang dapat digunakan dalam proses pascapanen seperti penyortiran dan pengelompokkan. Penelitian ini memiliki fokus dalam mengembangkan model matematis untuk memprediksi massa dari buah markisa manis (Passiflora ligularis Juss) berdasarkan sifat fisiknya. Semua sifat fis...
Environmental education needs to be introduced early on to students from elementary school so that it becomes a provision for every student to have a caring attitude in protecting the environment so that the earth remains sustainable. One of the efforts was carried out through ecoenzyme training for elementary school residents and training students...
Fruits and vegetables are essential for human life. Maintaining the quality and safety of fruits and vegetables are critical challenges for the food packaging industry in this decade. Chitosan and starch are most widely used for food packaging as they bring unique properties for packaging applications. Chitosan has good antimicrobial properties but...
Complete plasticization of starch granules plays an important role in maximizing the properties of a starch film. Ultrasonication treatment is one way to achieve this by breaking up insoluble starch grains. This study reports on the effects of ultrasonication on the characterization of bengkoang (Pachyrhizus erosus) starch films. Starch gel was son...
Many works reported a PVA based film prepared using ultrasonication, however, information on the effect of this treatment on changes of PVA’s properties is still limited. The main objective of this work was to study the effect of ultrasonication duration on the properties of PVA film. The PVA gel was sonicated using a 360 W ultrasonic probe for 2.5...
Starch granules containing amylopectin-rich fractions like sago starch may remain insoluble and undamaged decreasing properties of the film. The aim of this study is to characterize native sago starch films prepared using ultrasonication. An ultrasonication probe was used during gelatinization for 2.5, 5, and 10 min respectively. Ultrasonication de...
The objective of this work is to study the physical and tensile properties of jicama (Pachyrhizus erosus) starch film prepared using three different methods. First, a film was prepared from starch granules after sifting using a sieve shaker. A second film was prepared from starch granules after ultrasonication. Another film was made by sonicating t...
This paper reports the characterization of polyvinyl alcohol (PVA)/cassava starch biocomposites. The cassava starch gel with or without ultrasonic probe treatment was mixed with PVA gel then short bacterial cellulose fibers were added. The presence of the sonicated starch gel in the PVA resulted in low thermal and moisture resistance, and low trans...
Bionanocomposites based on a Yam Bean (Pachyrhizus spp.) (YB) starch matrix reinforced by nanocellulose Water Hyacinth Fiber (WHF) were produced using a casting method. The amount of nanocellulose suspension in the matrix was varied from 0 to 1 wt%. After gelation, the bionanocomposites were sonicated for 1 min. The effect of nanocellulose suspensi...
Cellulose fiber was isolated from bengkoang (Pachyrhizus erosus) tuber peel. A suspension consisting of distilled water, starch, and glycerol was mixed with various cellulose loadings (0, 2, 6, and 10 g) then gelatinized using a hot plate with a magnetic stirrer. The biocomposite gel was sonicated using an ultrasonication probe (47.78 W/cm2 for 4 m...
Thermoplastic starch (TPS) reinforced by 1 wt % nanofiber cellulose (NFC) reinforcing from water hyacinth was produced. Ultrasonic vibration time (UVT) was applied to bionanocomposites during gelation for 0, 15, 30 and 60 min. Morphology of the NFC was investigated using Transmission Electron Microscopy (TEM). Scanning Electron Microscopy (SEM) and...