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Antioxidant activity and chemical characteristics in egg albumen fermented by lactid acid bacteria Nahariah, N.; Hikmah, H.; Yuliati, F.N.
Journal of the Indonesian Tropical Animal Agriculture Vol 45, No 3 (2020): September
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.45.3.214-221

Abstract

Research on fermentation time and the addition of milk powder to egg albumen is still limited. The purpose of this study was to determine the antioxidant activity and chemical characteristics of fermented egg albumen using different levels of full cream milk powder and different microbial fermentation times. This study used a completely randomized factorial pattern design, 4 x 5 treatments with 4 replications. Research materials include egg albumen, full cream milk powder and mixed Lactic Acid Bacteria (L. bulgaricus, L.achidopillus, and Streptococcus thermopillus). The research treatments were the addition of powdered milk in different level (%) including, 0, 2, 4 and 6. Fermentation times were 0, 12, 24, 36, and 48 h, respectively. The results showed that the addition of powdered milk in different level and fermentation time had no significant effect on the antioxidant activity. The addition of different-level powdered milk was not significant on the glucose content and total protein, but it was very significant (P<0.01) on water content. The fermentation time had a very significant effect (P<0.01) on glucose levels and total protein, but it had no significant effect on the water content of albumen fermentation. Antioxidant activity did not change during the fermentation time and the addition of different-level milk powder. The 24 h fermentation time could reduce the total protein and glucose levels of egg albumen. Adding 2% milk powder could reduce the water content of egg albumen fermentation. 
Meat Quality Assessment for Meatball Production: Influence of Sales Volume Category and Location Hassani, W. A. I.; Hikmah, H.; Maruddin, F.
Hasanuddin Journal of Animal Science (HAJAS) Vol. 7 No. 2 (2025)
Publisher : Faculty of Animal Science, Hasanuddin University, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/hajas.v7i2.42941

Abstract

Meat is an essential food ingredient for meeting people's nutritional needs. According to the 2023 meat outlook data, 79.51% of total beef and 35.47% of total chicken meat are utilized by the food industry. Variations in meatball product quality may result from differences in the quality of meat raw materials. This study aims to evaluate the quality of meatball raw materials sold in the markets of Makassar City. This research employed a comparative observational design by collecting 100gram samples of chicken meat and frozen meat/heart from six meat sellers. The samples were then analyzed using analysis of variance (ANOVA), followed by an LSD test to determine significant differences. The results revealed that the factors of trader type, location, and the interaction significantly affected (P<0.05) on the pH value, tenderness, and color of the meat. The factors of Trader type and location significantly affected (P<0.05) the cooking shrinkage of the meat. While the interaction showed no significant effect (P>0.05) on the cooking shrinkage of the meat. Trader type significantly affected (P<0.05) the a* color value of the meat, while location and its interaction showed no significant effect (P>0.05) on a*. Trader type showed no significant effect (P>0.05) on the b* color value of the meat, while location and its interaction had significant effects (P<0.05) on the b* color value of the meat. These results indicate that large traders tend to have better meat quality than small traders, with higher average pH and tenderness and lower cooking shrinkage. Keywords: Meat Quality; Meatballs; Traditional Market