video, you need to show your fermented food and address the following questions:
ID: 195824 • Letter: V
Question
video, you need to show your fermented food and address the following questions: 1. What microbes are involved in the process? 2. What is the purpose of adding the ingredients in your recipe? 3. What metabolic processes are the microbes undergoing what specific by-products are they producing that contribute to the changes in the food? 4. What changes occur in your food during the fermentation? e.g. Does the amount of oxygen in the container change? Why? Same questions for carbon dioxide, pH, alcohol, temperature. 5. Were you successful in making your food? 6. What changes would you make if you were to make that food again?Explanation / Answer
Answer1:-Streptococci start the process, producing acid, types of Leuconostoc, Pediococcus and Lactobacillus grow, making more acid.
Answer 2:-purpose of adding ingredients is preserving and expanding lifespan of food by either anaerobic fermentation immersion in vinegar. The food is called a pickle.
Answer 3:-the food itself produces the preservation agent, typically by a process involving Lactobacillus bacteria that produce lactic acid as the preservative agent.
Answer 4:- Yeast acts upon the saccharified starch of the wort, it converts the maltose at first into dextrose.The dextrose is then decomposed by the action of another yeast enzyme, namely, zymase, chiefly into alcohol and carbon dioxide.
Amount of oxygen in container is reduced to prevent the growth of spoilage bacteria.
Temperature is kept room temperature because the lactobacillus can grow at this temperature.
pH is kept acidic for favourable growth of lactobacillus bacteria.
Carbon dioxide and alcohol also produced by fermentation process.
Answer 5:- yes by following the fermentation process properly the food is made successfully.
Answer 6:- If need to prepare the food again air tight container are used to prevent the oxygen entry which is helpful for the growth of spoilage bacteria. To store the food for long term usage airtight container is beneficial.
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