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All Journal Jurnal Mutu Pangan : Indonesian Journal of Food Quality
Ria Noviar Triana
South East Asian Food and Agricultural Science and Technology Center, Institut Pertanian Bogor, Bogor
Agriculture, Biological Sciences & Forestry Chemistry Public Health

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Pengaruh Perbedaan Jenis Kedelai terhadap Kualitas Mutu Tahu Nuri Andarwulan; Lilis Nuraida; Dede R. Adawiyah; Ria Noviar Triana; Denny Agustin; Desty Gitapratiwi
Jurnal Mutu Pangan : Indonesian Journal of Food Quality Vol. 5 No. 2 (2018)
Publisher : Department of Food Science and Technology (ITP), Faculty of Agricultural Technology, Bogor Agricultural University (IPB) in collaboration with the Indonesian Food and Beverage Association (GAPMMI), the National Agency of Drug and Food Control, and th

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Tofu is a processed product which is produced by coagulation process of soybean protein extract. The objectives of this study were to evaluate the relation of soybean variety to physicochemical characteristics during processing and the charactiristics of tofu. The soybean (IP new, IP 1 year old, US, Argentina, Indonesia) had moisture content (8.67-9.95%), ash content (5.15-5.36%), protein content (30.33-36.49%),  fat content (15.91-25.11%) and carbohydrate (26.98-35.00%). The highest yield of tofu was found in soybean IP New that was 195.60%, with tofu water content (80.18-83.17%), protein content (8.83-10.69%), and fat content (3.94-6.31%). The highest total solid was found in tofu from Argentina soybean that was 19.82%, while the density of tofu relatively similar (1%) to other tofu. The highest protein recovery and total solid recovery were found in tofu from Argentina soybean (62.05% and 39.62%). Argentina soybean was the best soybean which can be used to produce tofu. That soybean had the best protein recovery and based on texture quality analysis the soybean had similar characteristics with IP New soybean which had the best hardness, elasticity, and cohesiveness.
Sifat Fisikokimia Pati Sagu Termodifikasi dengan Metode Oksidasi Menggunakan Natrium Hipoklorit Erka Fitria; Purwiyatno Hariyadi; Nuri Andarwulan; Ria Noviar Triana
Jurnal Mutu Pangan : Indonesian Journal of Food Quality Vol. 5 No. 2 (2018)
Publisher : Department of Food Science and Technology (ITP), Faculty of Agricultural Technology, Bogor Agricultural University (IPB) in collaboration with the Indonesian Food and Beverage Association (GAPMMI), the National Agency of Drug and Food Control, and th

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Indonesia has the largest sago plantation area in the world with sago flour production  up to 6.84 metric ton a year. Based on this data, sago starch has the potential to be utilized as food ingredients. However, some of its physicochemical characteristics have weaknesses and become its limitation in the processing and its application on food products.  Therefore, the modification process of sago starch by oxidation method could be used to change its characteristics. Oxidation was done by adding 1%, 2%, and 3% sodium hypoclorite for 30, 60, 90, and 120 minutes. Physicochemical characteristics of  native and oxidized sago starch were measured for comparing their swelling power, solubility, gel strength, whiteness index, syneresis, and paste viscosity profile. The results showed that the carboxyl content increased and the amylose content decreased by the process. As compared to native sago starch, oxidation decreased swelling power capability, increased solubility, gel strength, whiteness index, also increased syneresis at the beginning of oxidation process but decreased with increasing time of oxidation and NaOCl concentration. Oxidation also affected the paste viscosity profile by increasing the pasting temperature, decreasing the peak viscosity, holding viscosity, breakdown viscosity, final viscosity, and setback viscosity. These results showed that oxidized sago starch was better physicochemical characteristic than that of native starch in term of increasing the heat and shear resistant and reducing the tendency of retrogradation.
Co-Authors Dede R. Adawiyah Denny Agustin Desty Gitapratiwi Erka Fitria Lilis Nuraida Nuri Andarwulan Purwiyatno Hariyadi