Judul: Modifikasi Pati Ganyong dengan Teknik Heat Moisture-Treatment (HMT) dan Aplikasinya dalam Pembuatan Sohun dengan Penambahan Hidrokoloid
Abstrak: Many tuber and root starches from local source are not widely used in food application due to their poor functional properties. Heat Moisture Treatment (HMT) was applied to native starch of Canna edulis to improve its functional characteristics. Canna edulis starch, was extracted from raw roots purchased from Ciamis. Its composition and physicochemical properties were investigated before and after HMT. Native or moistened canna starches at 20%, 25%, and 30% of final moisture were heat treated at 1000C and 1100C for 4, 8, and 16 hours. Optimation process was choosen based on the starch properties that give the relatively high gelatinization temperature, high setback viscosity, high gel strength, and low swelling power. After optimation process of HMT was reached, native and modified starches were applied in starch noodle formulation in order to know Heat-Moisture Treatment effects on noodle quality. The study of physical characteristics on starch noodle produced from 100% native starch or 100% modified starch with and without hydrocolloid showed that the characteristics of starch noodle from 100% native starch had no significant difference with those of 100% modified starch. The same result was found between noodles from 100% modified starch with and without hydrocolloid. Heat-Moisture Treatment gave no effect to the starch intended for noodle production.
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Judul: Pengaruh Heat Moisture Treatment terhadap Sifat tekstural dan Retrogradasi Gel Pati Aren dan Tapioka
Abstrak: Heat Moisture Treatment (HMT) is one of physical modification techniques that uses limited moisture where heating process at high temperature is implemented for certain period of time. This research studied the effect of HMT modification on textural properties and retrogradation of aren and tapioca starch gel. HMT modification was done by using autoclaving method at 120 oC in 60 minutes for tapioca and 90 minutes for aren. Before autoclaving process, the water content of starch was adjusted into 20% (b/b, wb). The observation of retrogradation was done on starch gel with water content 10% (b/b, db) and refrigerated at 4 oC for 7 days. Textural analysis was done by doing compression using texture analyzer. Degree of retrogradation analysis was done by analyzing the changes of hardness from starch gel, and analyzing amylose hydrolisis using α-amylase enzyme. The result from textural analysis and degree of retrogradation analysis show that HMT modification could make starch gel become fragile, shown by decreasing breaking strain. From degree of retrogradation analysis, it is known that HMT modification increased hardness and degree of retrogradation of starch gel. According to this research, it can be concluded that HMT modification could make starch gel become fragile, increase hardness, and increase retrogradation of native starch gel.
Keyword: textural properties., retrogradation, heat moisture treatment

Judul: Penentuan Tingkat Premi Asuransi Kolektif Mobil Berdasar Teori Permainan
Abstrak: Asuransi adalah suatu usaha yang mengkombinasikan "resiko" (kemungkinan terjadinya kerugian) dari banyak individu ke dalam resiko satu grup. Salah satu jenis usaha asuransi adalah asuransi kerugian (general insurance). yaitu asuransi yang memprediksi kerugian bila suatu barang yang diasuransikan mengalami kerusakan atau bahkan hilang. Sebagai contoh adalah asuransi kerugian mobil. yaitu asuransi yang pertanggungannya mobil
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