Judul: Pemanfaatan Tepung Sukun (Artocarpus Altilis Sp.) pada Aneka Kudapan sebagai Alternatif Makanan Bergizi Program PMT-AS
Abstrak: The aim of this research was to utilize breadfruit flour in production of nutritious snack foods for School Supplementary Feeding (PMT-AS) programme. There were three products developed in this study, is brownies, pia, and croquette. The research was conducted using experimental design. The proportions of breadfruit flour and wheat flour were different for each product, which brownies was formulated using 70:30, 80:20, 90:10, and 100:0; whereas bakpia and croquette was formulated by 50:50, 60:40, 70:30, and 80:20. According to organoleptic test, selected products were brownies with 90% breadfruit flour, pia with 60% breadfruit flour, and croqquette with 60% breadfruit flour. Proximate analysis showed that 100 grams brownies contained 409 Kcal energy and 7,5 grams protein, 100 grams pia had 383 Kcal energy and 6,7 grams protein and croquette had the highest energy and protein content is 455 Kcal and 9,9 grams protein. In conclusion, all products are suitable as alternative snacks for PMT-AS programme. The products have fulfilled 300 Kal energy and 5 grams protein per serving size. Considered also the cost of production, these products have fufilled criteria to be used in PMT-AS programme
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Judul: Produksi Tepung Sukun (Artocarpus altilis) Pragelatinisasi
Abstrak: The fruit of breadfruit tree is one alternative carbohydrate source in Indonesia. Breadfruits is an important energy food contain starch and sugar, and usually consume as fresh fruit. However, breadfruit is seasonal crop and sometimes the crops are so plentiful that it can not be eaten fresh. To prevent waste, it was preserved in different way including drying. Flour from breadfruit can be used as important food for all seasons. Breadfruit flour has many limitations since it is difficult to be solubilized and swollen in cold water. The flour is modified physically by pregelatinization to improve its properties. Pragelatinized breadfruit flour can be used as instant food, porridge, and baby food. This research is aimed to investigate the effect of slurry concentration and contact time of the slurry on the drum. The process is conducted using double drum dryer with temperature of plate is 80±5C. Twenty and 30% of slurry were poured into drum with different rotation speed (4, 6 and 8 rpm). Each flour is characterized its chemical composition and physico-chemical properties. Generally pregelatinization did not influence to the chemical composition. Pregelatinization of the flour improved the water solubility and swelling power on room (30C) and hot (70C) solutions, reduced the freeze-thaw stability, caused partial gelatinization which is monitored by losing the birefringence of starch granule, and darkened the flour. The pregelatinized flour also reduced gelatinized temperature and had low final viscosity. Low concentration of slurry and low rotation speed of drum increased the gelatinized part of the flour, which is influenced to the cold and hot water solubility.
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Judul: Cycle Hamilton pada Graf Lengkap, Graf Regular, dan Graf 2-Connected 4-Regular Berorder Kurang dari Sepuluh
Abstrak: Suatu graf disebut graf Hamilton apabila graf tersebut memuat cycle Hamilton, yaitu cycle yang melewati setiap vertex tepat satu kali. Menentukan keberadaan cycle Hamilton pada suatu graf dapat menggunakan syarat cukup yang berupa teorema-teorema yang telah diperkenalkan sejak tahun 1950-an. Beberapa syarat cukup yang dibahas dalam karya ilmiah ini adalah syarat cukup yang berhubungan dengan graf lengkap dan graf regular. Suatu graf lengkap berorder 𝑛������ ≥ 3 dan graf r-regular berorder 𝑛������ ≤ 2𝑟������ + 1 merupakan graf Hamilton, Karena kedua graf tersebut memuat cycle Hamilton. Selanjutnya, syarat cukup tersebut digunakan untuk menentukan keberadaan cycle Hamilton pada graf 2-connected 4- regular berorder kurang dari 10.
Keyword: graf Hamilton, graf regular, graf lengkap, graf 2-connected 4-regular