Practical to test for glucose sucrose starch proteins and fats and to show presence in suitable food material
Answers
Explanation:
Test For The Presence Of Sugar, Starch, Proteins, And Fats - Detection In Suitable Plant And Animal Materials
Aim
To carry out appropriate tests to detect the presence of sugar(sucrose), starch, proteins, and fats in suitable animal and plant materials.
Theory
Nutrition is a source through which living entities obtain food for the body to get fueled with energy. Therefore the food we eat must be well-balanced with all the substances that are required by our body to perform daily activities, these substances are known as nutrients.
Nutrients nourish the body by releasing the energy required for the body’s growth. Some of the nutrients found in food are:
Proteins
Carbohydrates
Fats
Vitamins
Minerals
Dietary fibers
What are proteins?
They are body-building nutrients which aid in the repair of damaged body parts and also in the growth of the body
What are vitamins and minerals?
These nutrients are reflected to be protective food. They protect us from diseases by providing resistance against germs that are known to cause diseases.
What are carbohydrates?
Carbohydrates are nutrients that provide energy to the body instantly. Fats are also energy-giving foods and store energy.
Carbohydrates contain starch, sugars, and fibers which consists of sugar molecules containing hydrogen, carbon, and oxygen. Carbohydrates can be categorized into:
Simple carbohydrates – They are composed of 1 or 2 units of sugar hence can be broken down and be absorbed easily. Simple carbohydrates are subdivided into:
Monosaccharides – Composed of one sugar unit
Disaccharides – Consists of 2 chemically-associated monosaccharide units. Example – Sucrose, Maltose, Lactose
Complex carbohydrates – Consists of long chains of simple carbohydrate units. Since they are large in size they can be broken down into simple carbohydrates. They are further subdivided into
Oligosaccharides – Composed of less than 10 monosaccharides parts
Polysaccharides – Composed of a large number of polysaccharides. Example – Glycogen, starch, and cellulose
Test For Sucrose
The presence of sucrose can be tested in a sample using Benedict’s test.
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Answer:
Add iodine as it reacts with starch etc to become blue
Explanation: