Sago is one of the local food districts of Sangihe archipelago, but its use is still limited to traditional products. Edible film of sago starch is one of the alternative products for increasing the added value of this commodity as well as an environmentally friendly packaging material. The research aims to obtain edible film from sago starch using CMC and glycerol. Edible film processing was carried out by mixing 5% sago starch, and CMC 0.5% w/v and glycerol variation 1; 1.25; 1.5; 1.75; 2; 3.75; (%v/v) at 65-70°C, molded and heated with oven at 60°C. Sago-based edible film can be made with the use of CMC and glycerol as plasticizers in various concentrations. Use of variation glycerol concentrations at CMC concentrations of 0.5% in edible film making significantly influenced properties of sago’s edible film such as thickness, WVTR value, tensile strength, and elongation. The increasing amounts of glycerol concentration tend to increase WVTR values, decrease tensile strength value, and decrease elongation values of sago’s edible film.
Umbi lokal Daluga (<em>Cyrtosperma merkussi</em>), Kolerea (<em>Colocasia sp</em>), Longki (<em>Xanthosoma sp</em>) dan Wongkai (<em>Dioscorea sp</em>) merupakan sumber bahan pangan alternatif potensial di Sulawesi Utara yang belum terinformasi secara utuh karakteristiknya, sehingga perlu adanya karakterisasi komposisi kimia dan fisik tepung. Tujuan penelitian adalah mendapatkan sifat fisikokimia dari tepung umbi lokal dan produk yang dapat dikembangkan. Penelitian dilakukan di Laboratorium Diseminasi BPTP Sulawesi Utara. Hasil penelitian menunjukkan bahwa kandungan pati tepung Daluga, Kolerea, Longki dan Wongkai saling berbeda nyata dengan kisaran jumlah kandungan pati, amilosa dan amilopektin berturut turut adalah 42.7-49,51%, 15-27.47%, dan 16-27%. Nilai kecerahan tepung Longki, Daluga, Kolerea dan Wongkai berbeda satu dengan yang lain dengan nilai kecerahan paling tinggi dan nilai indeks browning terendah adalah tepung umbi Longki. Tepung kolerea paling potensial dikembangkan sebagai sumber tepung-tepungan dibandingkan tepung Longki, Daluga dan Wongkai, karena mempunyai potensi rendemen tepung 31,2%, mengandung pati paling tinggi sebesar 49,51%, dan protein sebesar 3,47%, serta mengandung amilosa kedua tertinggi sebesar 25,74.
Fried shallot is one of the most tasteful products that is normally used as a condiment for appetites such as noodles, fried chicken, and sticky rice. The study aimed to analyze the level of consumer preference for fried shallots from local varieties of Lansuna, Tajuk, Batu Ijo, and Bima Brebes by using additional ingredients of tapioca flour and CaCl2. An organoleptic test was carried out on 24 panelists on 12 samples of fried shallots treatment. Data collected were analyzed using a scoring system and anova statistical analysis. The result showed that there is a diversity of panelists' preferences of fried shallot from slightly like to very like in Panelist perceptions, with the highest percentage value being Batu Ijo with CaCl2 for the color parameter (62.5%), Bima Brebes with tapioca flour for the flavor parameter (50%), and in Lansuna with tapioca flour for texture and taste parameters (50%). The addition of tapioca flour can increase the level of panelist acceptance of the texture and taste of 4 varieties of fried shallots, compared to the use of CaCl2 and without the use of additional ingredients.
The research was aimed to study the potential of sago starch as an edible film or edible wrapper, which is used as a barrier to mass transfer. The edible film was made from sago starch with the addition of nutmeg pectin at concentrations of 0%, 10%, 15%, 20% and 25% by adding glycerol as much as 20% w/w. The results showed that the addition of nutmeg pectin and glycerol was able both to improve film characteristics and to control mass transfer. Addition of nutmeg pectin caused an increase in the Water Vapor Permeability (WVP) value of the film. Edible sago starch films can be used as a dodol packaging material because it protects products from oxidation and fungi, and is a better barrier from oxygen when compared to synthetic films. The increase in nutmeg pectin concentration caused an increase in WVP and exponential oxygen permeability. Keywords: edible film, sago, wrapping
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