DR NINA PIYUSH

FAT One declaration, the pie charts & the pictures are taken from different sources of Internet but they all are confirmed with my text books of pediatrics & my journals of pediatric. The composition of different fats are explained excellently in my books but the charts are either shaded or are in black & white so clarity was a problem. Fat is an important source of energy besides providing satiety & palatability. In a balanced diet around 25-30% of calorie comes from fat. (9 calorie per gram of Fat) If we look at the molecular composition of  human body Fat comprises  10%. Why we need Fat? Functions of Fat:  A concentrated source of energy.  Helps in absorption of fat soluble vitamins i.e Vitamin A, D, E & K Serves as a media for transportation of fat soluble vitamins. Contains fat soluble vitamins. Provides padding for the protection of internal organs. Essential parts of all cell membranes are fats. Fats are importan...

Protein : Protein is another important Macronutrient that we need on daily basis. Around 10-15% of the calorie should come from Protein. If we look at molecular composition of human body protein comprises 20%(second after water)   Why we need Protein? Functions of Protein: Growth & structure Proteins provide building material for growth & repair of body tissue Proteins build & repair vital parts of most body structures such as skin, nails, hair, membranes, muscles, teeth, bones, organs, ligaments & tendons. Proteins provide support for cells, tissues & organs and create a 3-D framework for body. Regulatory Roles All Enzymes are proteins. Enzymes facilitates numerous chemical reactions in the body, enzymes are essential for metabolism. Not all but hormones are proteins and act as chemical messengers . They co-ordinate,control & influence metabolic activities of each cell. Antibodies are proteins that are respons...