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- Find out a qualitative test for proteins, fats and oils, amino acids and test anyfruit juice, saliva, sweat and urine for them.1. Fill up the table below to summarize the confirmatory test for casein and whey. Test Sample Filtrate Residue / Precipitate Milk Component Reagents Observations Inferences 2. Test for Milk Fat Briefly describe how milk fat is being tested?The quality of essential oils has been tested using different methods including: (Select all that apply) Choose at least one answer. a. Gas Chromatography (GC) b. Gas Spectrometry (GS), c. Chiral Chemical Analysis (CCA) d. Mass Spectrometry (MS)
- 3. Formation and Composition of Film from Milk a. Place 10 mL of fresh milk in an evaporating dish. b. Boil and observe the formation of film. Observation: brown stain in filter paper and burn fat odor c. Remove the film and then boil again. Observation: _______________________define cross-contamination and describe what may happen as result of eating contaminated food name and describe the three types of cross-contamination describe how each type of cross-contamination can happen during food preparation define food allergy explain what a food allargen is and give two example of allergens describe two ways that cross-contamination can cause someone with a food allargy to have allergic reactionGive one or two product of Milk and answer the following queston: look at the labels of the different milk preparations: 1. Method of sterilization used. 2. What is the Bacterial culture and flavor used if there is any. 3. What is the Fat, Protein & Carbohydrate(sugar) content? 4. Is fortification done? What substances has been fortified (based on the label)? 5. Are Vitamins & amino acids added? Name them based on the label.
- Differentiate the following a. Foams test b. Smith's test c. Harrison's test d. Ictotest TableWhich of the following is true of the phenol coefficient test? a. It is particularly reliable for chemicals derived from phenol b. Uses phenol as the standard chemical against which other chemicals are compared c. Uses Salmonella typhi and Staphylococcus aureusWhich is true about Heat and Acetic Acid test? Protein is normally found in the blood and if there is a problem with the kidneys, protein can leak into the urine. It is used to test for albumin in the urine. Protein coagulates when heated. No turbidity of the solution means a negative result of heat and acetic test a. 1 and 2 are correct b. all are incorrect c. 3 and 4 are correct d. all are correct
- Which of the following is NOT a recommended method for preventing cross-contamination? A. Washing dishtowels and aprons often B. Separating raw and cooked foods C. Store food in covered container D. Uising utensils and a cutting board for all food preparationDefine the following terms:a. triacylglycerolb. neutral fatc. partial hydrogenationd. autoimmune diseasee. soapHi. Based on the table i need to answer the questions. The table doesnt need to be filled. Tube Solution Reaccion of color Benedict Reaccion of color mud x x x x x x x x x x x x x x x x x x x x x x x x 7 10 drops of starch solution blue Ambar 4. In the starch iodine test, which solution is a negative control? Positive? B. Use the following table to answer the questions related to the Biuret protein test (5 - 7): Tube Solution Reaccion of color 1 2 mL egg albumin Violet 2 2 mL honey blue 3 2 mL solution of amino acid Violet 4 2 mL destilled water blue 5 2 mL solution of protein Violet 5. In the Biuret test, which of the solutions is a negative control? Positive?6. Which contains more protein (C-N bonds): egg albumin or honey? Explain. 7. Do free amino acids have peptide bonds? C. Answer the following questions: 8. Why does the methylene blue dye stain the nuclei in onion cells? 9. What is…