Why is absorbance significant in determining the turbidity of whey protein-basil seed gum and xanthan gum is important
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Why is absorbance significant in determining the turbidity of whey protein-basil seed gum and xanthan gum is important?
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- Why is absorbance significant in determining the turbidity of the whey protein-basil seed gum and xanthan gum?Which wool fiber properties would be changed if the fiber had β-keratin instead of α-keratin? Explain the effect of fineness of wool fiber on air permeability of woolen fabric. Compare the protein and cellulosic fibers in terms of strength, flexibility, acid / alkali response and thermal conductivity. Which parameters are considered when evaluating commercial importance of a natural fiber?How much nystatin stock (50 mg/mL) needs to be added to 15 mL of tryptic soy agar to give a final concentration of 50 μg/mL?
- What is acetic orcein and what structure does it stain?Citronella oil is one of the commonly used essential oil. Classify the citronella oil into correct chemical group of secondary metabolites and describe the distinctive scent produced. (i) (ii) What are the roles of terpenes in plant defense?What does it mean for chitosan to have high bioadhesive properties? In which areas is this feature important for the use of this natural polymer? Explain with an example. b) What properties of chitosan make it possible to use it in different tissue engineering applications? Give an example
- Name the process by which raisins get inflated when put in water.When water and oil in the presence of an emulsifying agent are mixed, they do not separate. Why? What is the pH of tears? Why should ophthalmic preparations have pH close to that of tears? What is a buffer capacity or buffer value? What is the role of gall bladder in the emulsification of fats?What is emulsification? What is the purpose of alcoholic potash in saponification? Why are fats soluble in organic solvents but not in water?
- Match between groups A and B: A Pectin Prepared gums Habitual constipation Natural gums Saponins Waxes Secondary metabolite Volatile oils Treatment of burns Shikmic acid Dextrins Cardiotonic Primary metabolite mevalonic acid Red squill Poisonous Flavonoids Senna White squill AloeWhat effect does acid and alkaline have on the pigment and cooking time of carrot and beetroot?Draw the chemical structure of the main anthraquinone found in Aloevera showing the effect of adding acid and alkali to free anthraquinone as well as toglycosylated anthraquinone