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Define Hydroxybenzoic acid and Hydroxycinnamic acid?
Hydroxybenzoic acid: e.g. ellagic and gallic acids, which are hydrolyzable tannins, present in berries and nuts.
Hydroxycinnamic acid: e.g. caffeic and ferulic acids, which are heat-sensitive. Caffeic acid is a precursor of lignin. Caffeic with qunic acid gives chlorogenic acid. They occur in fruits, vegetables notably seeds, coffee beans, grains, sunflower seeds. Among these, curculnin and chlorogenic ncid have been studied more. Anticarcinogenic effects are attributed to caffeic and ferulic acid. They may act in two ways:
a) Prevent formation of carcinogens from precursors, and
b) Block reaction of carcinogens with critical cellular macroinolecules.
What is Physical activity ratio? Physical activity ratio (PAR): The energy cost of an activity per unit of time (usually a minute or an hour) expressed as a multiple of BMR. It
Explain Bone Healing Process in Nutritional Care? Protein is essential for callus formation, calcification and bone healing especially in cases of orthopaedic surgery. The prot
Food Applications of hemicelluloses The hemicelluloses find their application in food systems as emulsifer, stabilizer and binder in flavor bases, dressings and pudding mixes.
What are the two groups of defense mechanisms of the body against foreign or harmful agents? What is the difference between them? The body has many defense mechanisms against f
In the eukaryotes, eukaryotic release factor eRF-1 recognizes all three termination codons that are UGA UAA, and UAG and, with the help of protein eRF-3, terminates translation.
classifying them
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A cell with a euploid number of chromosomes contains: A.one half of a complete set of chromosomes B.several complete sets of chromosomes C.the correct number of chromosomes D.two c
Q. How does the pancreatic juice participate in the digestion of proteins? What are the involved enzymes? The pancreas secretes trypsinogen that undergoing action of the enzyme
Significance of Mitosis 1. Reproduction ; William Bateson 1906 wrote, Whenever I observe a dividing cell under the microscope , I feel as if the original act of c
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