Jun
03
Year: 2020
Jun
02
Relative Volatility
In order to separate binary mixtures using distillation process, there must be differences in volatilities of the components. The greater the difference, the easier it is to do so. A measure for this is termed relative volatility. Volatility is a way of expressing relationship between components of vapor Ya and that of liquid Xa in equilibrium. It is defined as ratio of partial pressure of component to mole fraction of component in liquid.
May
30
Popular University of Food Science and Technology
Below are the listed popular colleges in Food Science and Technology. However, the position of their listing does not necessarily mean the rank of university.
1. University of Wisconsin, Stout – USA
May
30
Chemistry of Fats and Oil
Chemistry of Fats and oil
Fats and oil are triglycerides ester of fats. They are made up of glycerol (OH) base and fatty acid (carboxylic group). Fatty acid is not itself fat. After esterification, it becomes fat. Glyceride is the backbone of fat and oil.
May
30
Carbohydrate
Carbohydrates are polyhydroxy aldehyde or polyhydroxy ketones of compounds thereof or polymers that can liberate those compounds upon hydrolysis. With some exceptions, carbohydrates have general formula CnH2nOn where n refers to any positive integer. Carbohydrates can be represented by (CH2O)n where n ≥ 3. Carbohydrates are major source of energy for man and many animals. In man’s diet, the chief carbohydrate is starch. For child, lactose is major source of carbohydrate.
May
30
Introduction to Terminologies of Food and Nutrition
Food:
Food means any substances eaten or drunk which meets the need for energy, body regulation and protection. Food is that which nourish the body. Food may be processed, semi-processed or unprocessed but must be safe. According to Food Act of Nepal 2023; food means any unprocessed, semi processed or processed food or drinking substances which the human being generally consume and drinks include any spices, food additives, color or flavor to be used in any food or drinking substances.
May
30
Balanced Diet
Basic five food groups:
Foods are divided into five different groups on the basis of similarity of nutrient they provide. For example, milk, yogurt, cheese group of food provide calcium and protein while fruit group is good source of vitamins especially vitamin C. according to United States department of Agriculture (USDA), food are classified into following five food groups.