What are the 2 ways of production that will allow a product to be classified as an essential oil?: (Select all that apply) Choose at least one answer. a. hot pressed b. vacuum distilled c. steam distilled d. cold pressed
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- Robert Tisserand states that if essential oils are properly diluted, they should be safe to use: Choose one answer. a. once/month b. once/week c. twice/week d. every dayYou are told to analyze the purity of your product with TLC. Which of the following TLC plates would indicate a pure product? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a A TLC plate where the product lane has one spot with an Rf value that exactly matches that of the starting material. b A TLC plate where the product lane has one spot which has a lower Rf value than the starting material. с A TLC plate where the product lane has two spots, one with a higher Rf value than the starting material and one with a lower Rf value. d A TLC plate where the product lane has one spot which has a higher Rf than the starting material.What are the steps of the extruded process? Select one: a. crushing (dollop -> flavouring) + steam + press b. steam + press c. shelling + crushing (dollop -> flavouring) + steam d. conditioning + press What is true of virgin, extra virgin oil? Select one: a. cleaning of raw materials (removal of foreign matter) -> shelled, grinding, crushing -> technical operation - pressing b. cleaning of raw materials (removal of foreign matter) -> shelled, grinding, crushing -> technical operation – pressing and extraction .> oil purification (cleaning of oil): purely water washing, sedimentation, filtration, centrifugation c. heating the raw materials before the pressing (conditioning) d. no heat treatment, only physical friction à high antioxidant content and vitamin E content
- Which of the following is an important consideration when selecting a disinfectant for use in the facility? Please select all that apply. [mark all correct answers] a. Pathogens affected by product b. Contact/Kill time c. Safety profile of the product d. Ease of useThe order of additives on a product label is by: a. caloric index b. production expense c. prevalence in the product d. toxicity level1. Tools that do not need to be brought when sampling is…a. thermometerb. Hygrometerc. PH meterd. DO meter 2. In the deposition method, one of the conditions that must be met is…a. The precipitate has a high solubility or solubility productb. The precipitate formed must be quite difficult to dissolvec. The precipitate formed does not have to be quite pured. Free precipitate form
- Suppose the pharmacists has 1.5 L of a 20X concentrate of an antibiotic and must dispense 250 mL of a 1X solution to customers. What volume of the 1X antibiotic can the pharmacist prepare? How many customers can receive the 1 X solution?The table shows the composition of Nutrient Agar per liter.Suppose that you need to prepare 700 mL of Nutrient Agar. How much (in g) of each component do you need? a. Beef extract b. Sodium Chloride c. Agar d. PeptoneIn liquor making, which of the following procedures is/are most likely unnecessary? I. Aging II. Production of Liquid Wort III. Sanitation of Plant crops/grains IV. Addition of Yeast in Fermenter V. Filtration I only I and V I, III, and IV All procedures mentioned are necessary.
- All of the following are cofactors of SOD (superoxide dismutase) EXCEPT? A. Zinc B. Maganese C. Calcium D. CopperWhat is the best method to filter the precipitate from it's reaction mixture? a Gravity filtering is accomplished by folding the filter paper into a cone and placing it in a long stem funnel. b Vacuum filtering using a Buchner funnel with filter paper. c Using a filtering crucible that can be dried and ignited at red heat. d All of the above, just depends on the precipitate.Choose the combination of answers that most accurately completes the statement.Detergents are a. high-level germicides c. excellent antiseptics b. low-level germicides d. used in disinfecting surgical instruments