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| Content Provider | Knowledge E |
|---|---|
| Author | Angela, Clara Young, Jeffrey Kordayanti, Sisilia Devanthi, Putu Virgina Partha Katherine |
| Abstract | Kombucha tea is a traditional fermented beverage of Manchurian origins which is made of sugar and tea. The fermentation involves the application of a symbiotic consortium of bacteria and yeast (SCOBY) in which their metabolites provide health benefits for the consumer and subsequently allow the product to protect itself from contamination. Additionally, kombucha tea fermentation also produces a byproduct in the form of a pellicle composed of cellulose (Bacterial Cellulose, BC). Compared to plant cellulose, BC properties are more superior, which makes it industrially important. However, BC production at industrial scale has been faced with many challenges, including low yield and high fermentation medium cost. Many researchers have focused their studies on the use of alternative low cost media, such as molasses, which is a by-product of sugar refining process. To maximize the BC production in molasses medium, it is important to select the microbial strains that can grow and produce BC at high yield in molasses. This study aimed to isolate and characterize BC-producing bacteria and a dominant yeast from kombucha culture which had been previously adapted in molasses medium. The isolation of bacteria was performed using Nutrient Agar (NA) and Hestrin and Schramm (HS) supplemented with cycloheximide, while yeast was isolated using Potato Dextrose Agar (PDA) supplemented with chloramphenicol. The most dominant colonies were isolated and then subjected to microscopic observation for morphological analysis. The pure bacteria and yeast isolates were then identified by sequencing the 16S rRNA gene and D1/D2 region of the 26S rRNA, respectively. The bacteria isolates obtained were all from closely related genera: |
| Related Links | https://knepublishing.com/index.php/KnE-Life/article/view/6444/11876 |
| ISSN | 24130877 |
| DOI | 10.18502/kls.v5i2.6444 |
| Issue Number | 2 |
| Journal | KnE Life Sciences |
| Volume Number | 5 |
| Conference Proceedings | The 2019 International Conference on Biotechnology and Life Sciences (IC-BIOLIS) |
| Language | English |
| Publisher Date | 2020-02-11 |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
| Subject | Agricultural and Biological Sciences |
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