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saponification -fats when boiled with alcoholic solution of naoh or koh undergo hydrolysis into glycerol and fatty acids and
steroids are of many types these are given belowa sterols cholesterol ergosterolb bile acids glycocholic acid taurocholic acidc
explain oxidation of fatty acids fatty acids released from chylomicrons and vldl are transferred across cell membranes by passive diffusion which
explain steroidssteroids form a group of compounds which are often found in association with fats but structurally and functionally
define hydroxyl groupsas glycerol has three hydroxyl groups three molecules of fatty acids may get attached
explain neutral fats neutral fats are esters of fatty acids with glycerol and found abundantly in nature these are insoluble in
carbon atoms of fatty acids are numbered from carboxyl carbon various conventions are used to indicate the
what are fatty acidsfatty acids are grouped into two classes saturated and unsaturated fatty acids the terms saturated and unsaturated fatty acid
isomers are different compounds having same molecular form but different structural formsa glucose and fructoseb glucose and
mutarotation- the process whereby the configuration of an anomeric carbon converts from a and p and
explain glycogenglycogen is the storage polysaccharide found in the muscle and liver of animals and humans it is a branched polymer having about
cellulose-it is the main constituent of plant cell walls and the most common and abundant of the d-glucose polymers this does not occur in the
starch is a non-reducing substance as except one carbonyl group all other carbonyl groups are involved in glycosidic bond formation it may
starch is not soluble in water it forms colloid in aqueous medium called as micelles iodine reacts with both
reduction reactionaldoses and ketoses are reduced to the corresponding polyhydroxy alcohols by sodium borohydride sodium amalgam
in fehlings testthe free sugar group aldehyde or ketone reduces the cu cupric ions in an alkaline environment to form cu10 cuprous oxide
dilute hydrochloric acid hcl oxidizes only the terminal -ch20h group with the formation of uronic acid glucose is thus oxidized to glucuronic
stereo isomerism-stereo isomerism occurs when the same compound due to different spatial arrangement of the groups
aldose-ketose isomerismwe have already seen that in a monosaccharide either an aldehyde -euroho or a
define nutrition nutrition is a science that cuts across several scientific disciplines of which one is biochemistry it
explain lipid metabolism i you learnt earlier in unit 5 that the lipids are absorbed through the intestine as these molecules are oils solubilization
nutrition is a relatively new science that evolved from disciplines such as chemistry and physiology thus a student who intends to
give the introduction to lipids metabolism lipids are a heterogeneous group of organic compounds the major dietary lipids for humans are animal and
explain the closed system - thermodynamicthe system that can exchange energy with their surrounding but not the mass is known as the closed system so
define the applications of thermodynamicsthermodynamics has extremely wide applications because basis of thermal engineering approximately all