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Rifqi Ahmad Riyanto
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Food ScienTech Journal
Published by Universitas Sultan Ageng Tirtayasa
ISSN : 26854279     EISSN : 2715422X     DOI : http://dx.doi.org/10.33512/fsj.v1i1
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Immunology & microbiology
FSJ is an open access, peer-reviewed, multidisciplinary journal dedicated to the publication of novel research in all aspects of Food Technology, with particular attention paid to the exploration and development of natural products derived from tropical—and especially Indonesian—biodiversity. Original research articles written in English and featuring well-designed studies with clearly analyzed and logically interpreted results are accepted, with a strong preference given to research that has the potential to make significant contributions to both the field of Food Technology and society in general. Topics include, but not limited to : Food Chemistry Food Microbiology Food Engineering Food Industry Management
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Makanan
Articles 8 Documents
 1 
Search results for , issue "Vol 4, No 2 (2022)" : 8 Documents clear
Effect of Sago Starch Concentration on Characteristic of Sago Glucose Syrup Rissa Megavitry; Amran Laga; Adiansyah Syarifuddin
Food ScienTech Journal Vol 4, No 2 (2022)
Publisher : University of Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/fsj.v4i2.14746

Abstract

Opportunity to use sago as a basic ingredient for syrup glucose is very large because of the high carbohydrate content reached 75.88% - 85.08%. Sago starch contains 27% amylose and 73% amylopectin. This study aims to determine the effect of sago starch substrate concentration on reducing sugar, total dissolved solids, dextrose equivalent, and sweetness level from the glucose syrup produced. This research was conducted in 3 stages, namely gelatinization, liquefaction, and saccharification. The use of sago substrate concentrations were 25%, 30%, and 35%. The use of amylase enzyme is 0.1% dry weight and glucoamylase enzyme is 0.008 g/g dry weight. This study used a completely randomized design with a factorial pattern with two replications and data analysis using Duncan test. The use of α-amylase and glucoamylase enzymes in the manufacture of glucose syrup from sago starch affects the glucose syrup produced. The best result is obtained from 30% substrate concentration with reducing sugar value is 186.07 g/L, total dissolved solid is 36.13%, dextrose equivalent value is 62.02%, and sweetness level value is 33.92 ºbrix.
Survival and Acidification Potential of Lactobacillus Plantarum MNC 21 Stored in Air-Dried Sorghum Flours Yusuf Byenkya Byaruhanga; Stellah Byakika; Ivan Muzira Mukisa
Food ScienTech Journal Vol 4, No 2 (2022)
Publisher : University of Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/fsj.v4i2.14760

Abstract

Increased commercialization of indigenous fermented foods requires availability of affordable starter cultures. The starters should also maintain functionality when stored at ambient conditions, especially where erratic power supply makes constant refrigeration unachievable. This study evaluated the survival of Lactobacillus plantarum MNC 21 starter culture air-dried (at 25 or 30°C) in sorghum flour and stored at 25°C for 30 days. Two sorghum varieties (malted and un-malted) were used. To determine their fermentation efficiency during storage, sterile sorghum malt slurries were inoculated with the dried culture and fermented at 30°C for 24 h. Acidification potential was determined at 5 days intervals by measuring microbial counts, pH and titratable acidity. Microbial concentrations dropped from 8-9 log cfu/g on day 0 to 1 log cfu/g on day 30. Sorghum variety and whether it was malted or un-malted did not affect culture survival. Culture dried at 25°C had better survival during the first 10 days (8-9 log cfu/g) than that dried at 30°C (8 log cfu/g) but survival between days 20-30 was similar (1-4 log cfu/g). The acidification potential (ability to reduce pH to ≤4.5) decreased with storage time: 4 h (day 0), 24 h (day 15), > 24 h (day 20) to no acidification (days 25-30). Air drying of starter cultures in sorghum flours coupled with storage at ambient temperatures could be adopted as a short-term preservation method. This low-cost technology is suitable for processors in developing countries where maintenance of a cold chain is hampered by unreliable electricity supply.
Differences in Eating Habits, Lifestyle, and Weight Changes of Indonesian College Students Based on Their Residence During The COVID-19 Pandemic Dewanti, Lintang Purwara; Sitoayu, Laras; Mardiyah, Sarah; Melani, Vitria
Food ScienTech Journal Vol 4, No 2 (2022)
Publisher : University of Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/fsj.v4i2.14097

Abstract

The COVID-19 pandemic has indirectly forced people to adapt to the new normal, doing activities outside the home with proper health protocols or not leaving the house to reduce the spread of the virus; this also affects food consumption and sedentary behavior. For some people, the pandemic causes anxiety and even stress. The design of this study was cross cross-sectional, using a survey method online with Google Form carried out from April to September 2021. Descriptive analysis was conducted on 1185 respondents who are currently studying at universities in Indonesia., The results of the study stated that the pandemic had an impact on Indonesian students. This survey researched the differences in eating habits, changes in body weight, and lifestyle in Indonesian students based on where they lived during the Covid-19 pandemic. From the results of data analysis, it is known that most of the respondents experienced changes in body weight during the Covid-19 pandemic, whether they lived together or alone. However, more than half of the respondents have a habit of weighing their body weight irregularly. The results showed that the COVID-19 pandemic influenced eating habits, lifestyle, and changes in body weight. The community, especially students, both living alone (dormitory/boarding/apartments) or living with family or relatives should have sufficient knowledge and attitudes about nutrition to maintain unwanted weight changes during the pandemic.
The Effect of Beneng Taro (Xanthosoma undipes K.Koch) Flour Substitution on Physical and Sensory Characteristics of Muffins Winda Nurtiana; Rina Rismaya; Eko Yuliastuti Endah Sulistyawati; Athiefah Fauziyyah; Dini Nur Hakiki; Mohamad Rajih Radiansyah; Alfi Rahmawan
Food ScienTech Journal Vol 4, No 2 (2022)
Publisher : University of Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/fsj.v4i2.17413

Abstract

Beneng taro is an indigenous tuber that grows in Pandeglang, Banten. People of Pandeglang only use it in form of fried and steamed. The weakness of beneng taro is the oxalate content is very high, to reduce it, people of Pandeglang soak it in 1% salt solution for 1 hour. Another effort to utilize beneng taro that has been done is to process it into flour. Beneng taro contains functional compounds including carotenoid pigments and dietary fiber. The use of  beneng taro in food can increase product functionality and as a form of food diversification. The purpose of this study was to evaluate the effect of adding beneng taro flour to muffins on the physical and sensory characteristics. This study used a completely randomized design (CRD) with one factor, namely the concentration of substituted beneng taro flour (0%, 15%, 20%, 25%, and 30%). This research was carried out in two duplicates. The result of this research are the increase of beneng taro flour substitution in muffins decrease the expansion ratio, water content, lightness (L*) of the crust and crumb, a* chromaticity of the crust, b* chromaticity of the crust and crumb, hue (oh) of the crust and crumb, and sensory acceptance. However, The increase of beneng taro flour substitution increased density of dough, density of muffin, and a* chromaticity of the crumb. Based on the results of sensory analysis, the muffin formula substituted with 15% beneng taro flour was the best formula because it was close to the control muffin.
Utilization of Edible-Insects as Protein Substitute in Food and Effects of Processing on Their Nutrient Contents and Protein Functionalities Nura Abdullahi; Enerst Chukwusoro Igwe; Munir Abba Dandago; Abdurrashid Rilwan; Hassana Jibril; Raliya Iliyasu
Food ScienTech Journal Vol 4, No 2 (2022)
Publisher : University of Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/fsj.v4i2.14527

Abstract

Population growth, poverty and climate change dictate the need for additional protein sources. Edible insects are potential protein substitutes and can provide both humans and animals with the required amount of protein, essential amino acids, and other indispensable nutrients. Incorporating edible-insects into familiar products and subjecting them to adequate processing that masks their natural appearance will improve their consumption. This article provides insights on the potentials of edible-insects as novel ingredients in food processing and its various benefits. Effects of processing on their nutritional and functional properties were also discussed. Literature was gathered through an online search on the Science Direct database and Google Scholar. Edible-insect powders, protein isolates and concentrates and oils were reported to be incorporated into bugger, chips, chocolate, bread, cookies, and other baked snacks. The addition of insect products improves protein, fat, fiber, and minerals contents. Insects also contain healthier lipids when compared with conventional proteins. Edible-insects will provide essential nutrients to the rapidly growing world population when more attention is given to their production, processing, safety, and marketing. Efforts need to be strengthened to secure global acceptance of insect protein since the conventional sources are not reliable and cannot satisfy the world population in decades to come.
Oxide-Based Nanocomposites for Food Packaging Application: A Review Aisha Idris Ali; Munir Abba Dandago; Fatima Idris Ali; Genitha Immanuel; Jishnu Naskar
Food ScienTech Journal Vol 4, No 2 (2022)
Publisher : University of Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/fsj.v4i2.14774

Abstract

Silver nanoparticles and/or nanoclay [particularly montmorillonite] are used in the majority of nanotechnology applications for food packaging. Other nanomaterials, on the other hand, can also be integrated into packaging. Metal oxide nanoparticles have been added to petroleum-based and biopolymers to produce nanocomposites with improved mechanical, barrier, antioxidants and antimicrobial properties. Nanoparticles migration from packaging, on the other hand, is a source of concern due to their potential toxicity in the human body and the environment. The purpose of this article therefore, was to review the available literature on the utilization of metal oxide-based nanoparticles to produce nanocomposites for food packaging application. Advantages of incorporating metal oxide-based nanoparticles into polymers, as well as migration of these nanomaterials from packaging into foods are discussed. Incorporation of metal oxide nanoparticles into polymers allows for the production of nanocomposites with increased mechanical strength, water and oxygen barrier properties, and can also confer other additional functional properties, such as antioxidant, antimicrobial activity and light-blocking properties. According to migration studies, only a small quantity of nanomaterial migrates from packaging into food simulants or foods, implying that consumer exposure to these nanomaterials and the health concerns associated with them are low. Nonetheless, there is a scarcity of information on the migration of nanomaterials from packaging into actual foods, and more research is desperately needed in this area. This manuscript is useful in the food industries as it indicate the applicability and potential of the oxide-based nanocomposites as a promising approach for use in food packaging applications.
Red Guava (Psidium guajava L.) Chemical Properties Characterization Using Different Packaging Methods During Storage Rini Umiyati; Lustika Eva Lusiana; Iffah Muflihati; Fafa Nurdyansyah
Food ScienTech Journal Vol 4, No 2 (2022)
Publisher : University of Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/fsj.v4i2.14274

Abstract

The limited shelf life of red guava fruit encourages efforts to maintain its shelf life by using the sealing and wrapping packaging method with storage at 9ºC for 12 days. The purpose of this study was to determine the effect of packaging method and storage time on the chemical properties of red guava (Psidium guajava L.). This study used a factorial design consisting of 2 factors. The first factor is the packaging method (without packaging, sealing and wrapping). The second factor is storage time (day 0, day 3, day 6, day 9 and day 12). The results showed that the highest vitamin C content was in the sealing packaging method, namely on the 3rd day of storage at 3.3%. the highest water content value is 90.45% on the packaging method of wrapping storage on day 0, the highest value of total titrated acid in fruit with packaging method of packaging storage day 0 is 0.08%, while the highest value of total dissolved solids was 7.33oBrix on the 12th day storage sealing packaging method.
Physical and Sensory Characteristics of Food Bar Based on Beneng Taro (Xanthosoma undipes K. Koch) and Soy Protein Isolate Fany Dwi Wahyuni; Fitria Riany Eris; Nia Ariani Putri; Rifqi Ahmad Riyanto
Food ScienTech Journal Vol 4, No 2 (2022)
Publisher : University of Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/fsj.v4i2.17148

Abstract

Beneng taro, a local food plant in Banten Province, has enormous potential to be developed as an effort to diversify food, one of which is used as a raw material in the manufacture of food bars. Ingredients formulation and roasting temperature can affect the characteristics of the resulting food bar. Therefore, researchers consider it necessary to conduct research related to the physical and sensory characteristics of food bars based on beneng taro, mocaf and soy protein isolate as one of food diversification, as well as the best formulation and roasting temperature of the food bar. This study used a completely randomized split plot design with two factors, namely roasting temperature and ingredients formulation. The L* value, a* value, and texture were all significantly impacted by the roasting temperature, according to the results. Meanwhile, the L*, a*, and b* values were significantly impacted by the addition of beneng taro flour and soy protein isolate. The a* value, b* value, as well as the panelists' evaluation of the color, texture, and overall parameters are significantly impacted by the interaction between the two factors. The formulas for the chosen food bars contained 30% taro flour and 70% soy protein isolate, and they were baked at 140 °C (S2R2) with the following characteristics: texture 26,59 N; L* value 46,75; a* 14,99; b* 32,17; and the value of preference for color, taste, aroma, texture and overall is 2,23; 2,10; 2,23; 2,15; and 2,25.

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