kuliah 1 fermentation technology
TRANSCRIPT
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KULIAH 1
FERMENTATION TECHNOLOGY
Nur Asni Setiani, M.Si
Irma Mardiah, M.Si
Umi Baroroh, S.Si., M.Biotek
Sekolah Tinggi Farmasi Indonesia
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FERMENTATION
• Biochemistry : energy formation through the process of catabolism of organic compounds that function as electron donors and the last electron acceptor
• Microbiology : the process of producing products using microorganisms as biocatalysts
A process of chemical change in an organic substrate through the activity of enzymes produced by
microorganisms
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FERMENTATION COMPONENT
Microorganism Enzyme
Fermentor Media
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1. Fermentation that produces cells / biomass as a product
2. Fermentation that produces enzymes
3. Fermentation results in microbial metabolism
4. Fermentation which modifies the compound (transformation process)
FERMENTATION PRODUCT
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Carotenoid & Neurospora
sitophila
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Textile dye in food
Natural coloring from moldNeurospora sitophila
To produce
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METHOD
Material:- Red oncom- Coconut water- Soy sauce waste- Potato Dextrose Agar (PDA)- MgSO4.7H2O- FeSO4.7H2O- CuSO4.7H2O- β-carotene standard - Acetone- 70% ethanol - 96% distilled water
Media production
• PDA (Potato Dextrose Agar)
inoculation• Neurospora sitophila
Carotenoid extraction
• Hexane 1:3
Fermentation
• Coconut water, 10%, 15%, 20%, 25%, 30%
• Soy sauce waste, 10%, 15%, 20%, 25%, 30%
Analysis
• Standard curve (β-carotene)
• Spectrophotometer UV-Vis (450 nm)
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RESULTS
N. Sitophila in PDA after 5 days
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CONCLUSION
N. Sitophila fermentation in coconut water and
soy sauce waste medium could be used. In 25%
concentration, coconut water and soy sauce
waste medium was produced 0.50 g and 0.58 g
spore, respectively.
Increasing concentration could increase spore
production.
Co-factor Fe2+, Mg2+, and Cu2+ effect to the
production.
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KEFIR
• Kefir beverage is commonly manufactured by fermenting milk with kefir grains.
• This process supports a complex microbial symbiotic mixture of lactic acid bacteria (e.g., Lactobacillus, Lactococcus, Leuconostoc and Streptococcus) and yeasts (e.g., Kluyveromyces and Saccharomyces) (Magalhães et al., 2010).
• The main products of kefir fermentation are lactic acid, ethanol and carbon dioxide which confer the beverage with viscosity, acidity and low alcohol content (Firdausi, et al., 2010)
• One of the most abundant ingredients in kefir is lactic acid, lactic acid is a group of AHA (Alpha Hydroxy Acid) which is often contained in moisturizing products and is safe for the skin. Lactic acid is hypothesized to be part of the skin's natural moisturizer that plays a role in skin hydration
• Kefir milk can be made from cow's milk, goat's milk or soy milk which is added to a kefir starter in the form of kefir granules or kefir seeds
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Research Grant“Penelitian Dosen Pemula –RISTEKDIKTI 2019”Yola Desnera Putri, M.Farm
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Standardized Kefir Characterization
Goat milk and Cow milk
Prime kefir
Characterization of Kefir
Microbiological Chemical
•Total lactic acid bacteria (BAL)•Total khamir
•pH•Viscosity•Total lactic acid
+ kefir grains
•Temperature optimization•Time incubation optimization
Standardized kefir
Cow milk
Goat milk
Lactic acid levels
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Cow milk
Goat milk
pH
Standardized Kefir Characterization
Microbiologicalanalysis
Cow milk
Goat milk
Milk Lactic Acid Bacteria (BAL) Khamir
Cow 2,01 x 107 2,25 x 107
Goat 1,96 x 107 1,51 x 107
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Test Activity of Biosurfactant
Producing Bacteria
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Method
Result