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All Journal Journal of the Indonesian Tropical Animal Agriculture These proceedings represent the work of researchers participating in The International Conference on Elementary Education (ICEE) which is being hosted by the Elementary Education Study Programme School of Postgraduate Studies, Universitas Pendidikan
E. Nuraeni
Department of Animal Production and Technology, Faculty of Animal Science, Bogor Agricultural University, Jl. Agatis, Darmaga Campus, Bogor 16680
Agriculture, Biological Sciences & Forestry Humanities Earth & Planetary Sciences Education Languange, Linguistic, Communication & Media Mathematics Social Sciences

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CHARACTERISTICS OF PROBIOTIC KOUMISS FROM GOAT MILK WITH ADDITION OF ROSELLE EXTRACT (Hibiscus Sabdariffa Linn) Nuraeni, E.; Arief, I.I.; Soenarno, M.S.
Journal of the Indonesian Tropical Animal Agriculture Vol 39, No 2 (2014)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.39.2.117-125

Abstract

Goat milk and roselle (Hibiscus sabdariffa Linn) are food ingredients with health functionalproperties. This research used Lactobacillus acidophilus RRAM-01 and Lactococcus lactis RRAM-01which had been proven as probiotic, and Saccharomyces cereviceae. Saccharomyces cereviseae wasused to produce specific flavor components in koumiss (bacterial fermentation product). The objectiveof this research was to study the characteristics of goat milk probiotic koumiss added that with roselleextract. The results showed that the addition of different concentration of roselle extract (0%, 0.5%, and1%) in the goat milk probiotic koumiss had no effect on chemical and microbiological characteristics ofkoumiss. Goat milk processed into koumiss had ability to suppress the growth of coliform and hadstrong inhibition activity against Escherichia coli ATCC 25922 as tested by agar diffusion test.Microbiological analysis used in this research was the pour plate method. Population of lactic acidbacteria indicated that the product fulfilled standards as probiotics koumiss (1011 cfu/mL), coliform wasnot detected in the products, therefore the products met the criteria of The National Agency of Drug andFood Control (NA-DFC) as probiotic functional food. Sensory evaluation was conducted by usinghedonic quality test. Based on the hedonic quality test, addition of different concentrations of roselleextract increased the intensity of red color and koumiss viscosity, but had no effect to the aroma andsourness of koumiss.
The Student Cognitive Load in Teaching and Learning of Plant Tissue Using the Time-Based Resource Sharing Model Febriani, Maya Amelia; Rahmat, A.; Nuraeni, E.
International Conference on Elementary Education Vol. 2 No. 1 (2020): Proceedings The 2nd International Conference on Elementary Education
Publisher : Elementary Education Study Program School of Postgraduate Studies Universitas Pendidikan Indonesia in collaboration with UPI PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (262.003 KB)

Abstract

One of the successes teaching and learning can reduce students’ cognitive load. The principle of applying cognitive load theory is using working memory which can be managed by a cognitive treatment through refresh memory from the psychological model of the Time-Based Resource Sharing Model (TBRS Model). The research method used is preexperiment was aim to determine students’ cognitive load in teaching and learning of plant tissue using the TBRS model. The total cognitive load consists of Intrinsic Cognitive Load (ICL) measured by task complexity worksheet, Extraneous Cognitive Load (ECL) measured by subjective rating scale, Germane Cognitive Load (GCL) measured by the cognitive system level 2 dan 3 (Marzano & Kendal, 2007), and interview as secondary data. The participants were 36 science students of Senior High School. The bivariate correlation test showed correlation between ECL and GCL is positive but not significant (0,171; α > 0.05); ECL and ICL is positive but not significant (0,073; α > 0.05); ICL and GCL is negative but not significant (- 0,104; α > 0,05). From these data, the formation of students' cognitive schemes described GCL is not clearly influenced by ICL or ECL so students still have a cognitive load. The results of student interviews showed this cognitive load does not consequence by the TBRS model but from the other factors such as difficult material and material presented partially. In addition, this situation also supported by the results of a questionnaire showed that students helped by refresh memory in the TBRS model. So there is still a cognitive load on students not due to malfunction of the TBRS model but due to other factors that have been explained above
Co-Authors Febriani, Maya Amelia I.I. Arief M.S. Soenarno Rahmat, A.