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All Journal AJIE (Asian Journal of Innovation and Entrepreneurship)
Agoes M Jacoeb
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Economics, Econometrics & Finance

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KARAKTERISTIK DAN KANDUNGAN GIZI TSUKUDA-NI IKAN JANGILUS (Istiophorus orientalis) Sri Purwaningsih; Agoes M Jacoeb; Masikah Maylan Dewi
Asian Journal of Innovation and Entrepreneurship Vol 1 No 02 (2012): May 2012
Publisher : UII

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ajie.vol1.iss2.art3

Abstract

Jangilus fish ( Istiophorus orientalis) is one of pelagic commodities which is commonly consumed by society and used for traditional foods. The objective of this research was to determine the effect of immersion solution on tsukuda-ni from Jangilus fish (Istiophorus orientalis). The steps of the research were determine the best type of immersion solution (carbonated drink, rice vinegar, soy sauce, or sweet sake) and the best concentrations of solution (10%, 20%, 30%, 40%, 50% dan 60% [v/v]). The experimental design used in this experiment was complete random design with Tukey test. The study showed that carbonated drink was the best type of immersion solution. The statistical analysis results showed that concentrations of solutions immersion gave significant effect on protein, lipid content, cutting strength, and water activity. The study showed that 40% carbonated drink was the best concentrations. Tsukuda-ni with 40% of the carbonated drink had 30.95 ± 1.20 kg/cm2 power cut, 0.73 water activity (aw), 61.02% water, 4,48% ash, 28,89 % protein, 0,34% fat, and 4,49% carbohidrat content. Keywords: Fish jangilus (Istiophorus orientalis), tsukuda-ni, nutrient content
RECOVERY ENZIM KATEPSIN DARI LIMBAH CAIR SURIMI Tati Nurhayati; Hani Novanti; Agoes M Jacoeb
Asian Journal of Innovation and Entrepreneurship Vol 4 No 01 (2015): January 2015
Publisher : UII

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ajie.vol4.iss1.art4

Abstract

Surimi processing waste liquid that still contains high sarcoplasmic proteins that can still be used, one of which is an cathepsin enzyme. The purpose of the study was to determine the parameters of pH and temperature in recovery of  enzyme cathepsin from surimi wastewater. The results showed that the best recovery of cathepsin enzyme  is obtained at pre-treated  pH 5 and heating at a temperature of 60 °C. In these conditions, cathepsin enzyme has a specific activity 17.90 U / mg and a multiple of 117 times the purity of surimi wash water. Keywords: cathepsin, enzyme recovery, pH, surimi wastewater, temperature
Perubahan Komposisi Kimia, Aktivitas Antioksidan, Vitamin C dan Mineral Tanaman Genjer (Limnocharis flava) Akibat Pengukusan Nurjanah Nurjanah; Agoes M Jacoeb; Roni Nugraha; Marisa Permatasari; Tri Kalbu Ardiningrum Sejati
Asian Journal of Innovation and Entrepreneurship Vol 3 No 03 (2014): September 2014
Publisher : UII

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ajie.vol3.iss3.art3

Abstract

Yellow velvetleaf (L. flava) is a type of aquatic plants commonly consumed by the public.  Yellow velvetleaf steamed of processing products.  The purpose of research was to determine the effect of steaming period on chemical composition, antioxidant activity, ascorbid acid, and minerals on yellow velvetleaf.  Chemical composition of  fresh yellow velvetleaf consisted of 93.92% of water, 0.20% of fat, 2.38% of protein, 0.70% of ash, 0.10% of acid soluble ash, 2.70% of carbohydrate and 1.31% crude fiber. Steaming caused a decrease in water levels and increased levels of fat, protein, ash, carbohydrate and crude fiber yellow velvetleaf.  Phytochemical components of the three crude extracts yellow velvetleaf (fresh, steamed 3 and 5 min) were steroids, saponins, phenol hydroquinone and reducing sugar.  Antioxidant activity of the crude extracts was 131 ppm and steaming for 3 minutes and 5 minutes increased IC50 value to 1350 ppm and 3409 ppm, respectively. In conclusion steaming proses changed the antioxidant activity of yellow velvetleaf. Losses of ascorbid acid of fresh genjer were 3.20% and 11.15% correspondingly after 3 and 5 minutes steaming. Beta carotene in fresh genjer decreased by 20.02% (steamed 3 minutes) and  60.90% (steamed 5 minutes). Minerals respectively were decreased due to steaming. Hightest mineral loss happened to natrium with 70.44% (steamed 3 minutes) and 82.87% (steamed 5 minutes). Total minerals loss in steaming for 3 minutes was 26.60% and the for 5 minutes was 45.40%.    Keyword: antioxidant activity, ascorbid acid , beta caroten , bioactive components, mineral, proximate, yellow velvetleaf (Limnocharis flava).
Co-Authors Hani Novanti, Hani Marisa Permatasari Masikah Maylan Dewi Nurjanah - - Roni Nugraha Sri Purwaningsih TATI NURHAYATI Tri Kalbu Ardiningrum Sejati