Tuesday, 18 July 2017

Food Science in relation to Hotel Management students

Food Groups-

Food have been classified into different groups depending upon the nutritive value for the convenience of planning meals.  Food  groups like Basic 4, Basic 7 can be used for planning meals as per the convenience.

Basic 4 group

Groups                                                                Nutrients
a) Cereals, millets and pulses,                            Energy, protein, vitamin B.
vegetables and fruits                                          Vitamins, minerals and fibre
b)Milk, milk products,animal foods                   protein, calcium, vitamin B
Oils, fats, nuts, oilseeds                                    Energy, protein

Basic 7 group

Groups                                                            Nutrients
i)Green  and yellow vegetables                        Ascorbic Acid, iron, carotenoids, vitamin A
ii) Oranges, grapefruit, tomatoes,                     Ascorbic acid(Vit C), general vitamins, cellulose fibre.
raw cabbages, potatoes and other vegetables
iii) Milk and milk product                                 Calcium, protein, fat, riboflavin
iv)Meat, poultry, fish. egg                                Protein, iron, phosphorus, vitaminsB.
v)Bread flour and cereals                                Thiamine, Niacine, riboflavin, iron, carbohydrate,fibre
vi)Butter and fortified margarine                       Energy,fat and Vitamin A

Nutrition :

When we get nutrition from the various nutrients and also know the benefits and negatives of excess of any nutrient, then it is a science which is called the nutrition.  Nutrition is the basic of why we need to have food, which in turns helps our body and mind development.
Mentioned below are some of the nutrients, there source and deficiency caused by the lack of them in the body.

Nutrients                          Sources                                              Deficiency
a)Energy ,Protein             Fats, sugar, cereals,pulses,egg,meat     Underweight, marasmus,kwashiorkar.
b)Calcium(Bones,teeth)    milk,green leaf vegetables                    Rickets, osteomalacia,tetany.
c)Iron                              Liver,green leaf vegetables,                  Anaemia
                                        jaggery,riceflakes
d) Vitamin-A                   Egg yolk,butter,greenleaf veg,              Night blindness
                                        carrot, liver
e)Thiamine(B Vit)             Yeast, outerlayer of cereals(bran),       Weakness of Heart muscles, pain in calf
                                             pulses,nuts                                           muscles.
f)Niacin(Vit-B)                  Ground nuts,whole cerals,pulses          Dementia,Diarrhoea,Dermatitis
g)Vitamin B6                     Meat,liver,vegetables,wholegrain,        Anaemia,angular stomatitis
                                            cereals
h)FolicAcid                       Lady finger,french beans,fresh              megaloblastic anaemia
                                          green leaf vegetables
i)Vitamin B12                    Yeast,fermented food                          Pernicious Anaemia
j)Vitamin-C                       Citrus fruits, guava,Amla                      Scurvy(bleeding gums)
k)Vitamin-D                       Flesh foods,eggs,sunlight                    Oestomalacia,Rickets


Objectives of Cooking foods


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