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All Journal Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati Journal of Management, Economic and Accounting (JMEA)
Griselda, Griselda
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance

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Analisis Matagenom Komunitas Bakteri Tempe dengan Teknik Terminal Restriction Fragment Length Polymorphism (T-RFLP) Barus, Tati; Griselda, Griselda; Suwanto, Antonius; Agustina, Tan Watumesa
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 15, No 2 (2010): June 2010
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (342.198 KB) | DOI: 10.24002/biota.v15i2.2726

Abstract

Bacteria have an important role in tempe fermentation in Indonesia, aside of Rhizopus oligosporus as the dominant microbe. In this study the molecular aspect of bacterial diversity in tempe were analyzed using a fingerprinting technique, Terminal-Restriction Fragment Length Polymorphism (T-RFLP). This study was aimed to examine the diversity of bacterial community during tempe making. Bacterial diversity analysis was conducted in the first hour and the thirteenth hour after the soybean soaked while the fresh tempe was analysed at one to two hours after the fermentation ended. T-RFLP can be used to describe the diversity of bacterial community during the fermentation of tempe. T-RFLP profiles revealed the presence of 24, 30 and 33 bacterial phylotypes in the first hour and the thirteenth hour after the soybean soaked as well as in fresh tempe samples. The phylotypes were dominated by unculturable bacteria group. Only several bacterial phylotypes were consistenly identified since the beginning to the end of fermentation, while most of them were only identified at certain phases along with the environmental changes (i.e: pH) that occured during the fermentation process. One of the consistently identified groups belongs to Bacillus genera.
The Influence Of Social Media Marketing And Celebrity Endorsement On Purchase Intention Griselda, Griselda; Siregar, M. Edo Suryawan; Febrilia, Ika
Journal of Management, Economic and Accounting (JMEA) Vol. 3 No. 3 (2024): Volume 3 Issue 3 August 2024
Publisher : CV. Pusdikra Mitra Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51178/(jmea).v2i1.1226

Abstract

This study aims to determine the effect of social media marketing and celebrity endorsements on Tokopedia's purchase intention and the mediating role of brand image in this relationship. The method of data collection was done through a questionnaire to 240 respondents. Using a purposive sampling technique, the respondents are residents of DKI Jakarta who have seen one of the social media accounts and posted a Tokopedia advertisement. Data analysis was performed using SPSS version 26 software and SEM (Structural Equation Model) with LISREL software version 8.8. The results showed that social media marketing and celebrity endorsements significantly affected brand image. Therefore, brand image has a significant effect on purchase intention and has a fully mediating role in the relationship between social media marketing and celebrity endorsement of purchase intention.
Co-Authors Antonius Suwanto Ika Febrilia Siregar, M. Edo Suryawan Tan Watumesa Agustina Tati Barus