This document provides information about various cereal grains and seeds that are cultivated for food. It discusses the main cereals - wheat, oats, rice, maize, rye and barley. For each cereal, it outlines their nutritional composition and common uses. The document also covers the structure of wheat grains, the role of gluten in breadmaking, different types of flour, and other wheat and rice products. It concludes with a brief overview of other seeds that are rich in nutrients.
Flour used in bakeries and biscuit factories which is obtained by milling wheat. as flour is the principal ingredient for baked products.
There are various types of flour used which are mentioned below:
All Purpose Flour
Cake Flour
Pastry Flour
Bread Flour
Self-Rising Flour
Whole Wheat Flour
Gluten Free Flour
Oat Flour
Semolina
Powerpoint presentation of "Vegetables" in Principles of food production (.
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-Jovi
Cereals:
Cereals form the major source of food.
The composition of cereal grains varies greatly due to
The genetic makeup of the plant
Soil factors
Climatic factors
Cultural practices
Cereals include rice, wheat, maize, sorghum, barley, etc
They comes under the family gramineae, i.e grass family.
Chemistry of cereal crops deals about chemical constituents :
Carbohydrates
Fats
Proteins
Ash
Nutrients like Ca,P
Vitamins
Toxins
Cereals are the major part of Indian diet so also known as staple foods.
The 80% percent of the dry matter in grains is carbohydrate, mainly the starch therefore, they are considered as the main energy providing crops.
Cereals provide 350 kcal of energy per 100 grams to the body.
Cereals contain 6-12% of protein
The whole grain form of cereal is more nutritious than milled one as it contains greater levels of B-complex vitamins, dietary fibre and essential fatty acids.
Cereals low in proteins.
High in Nitrogen Free Extract which includes the carbohydrates such as starch, dextrin, soluble sugars.
Starch constitutes more than 90% of NFE.
Grains, hulls and bran – rich in cellulose, pentosans and ash constituents.
germ or embryo – higher oil content, crude protein, sugar and minerals.
Endosperm – starch.
Abundant constituent of cereal plant system (80-95%).
With maturity water content decreases in plant.
CARBOHYDRATES:
Generally cereals rich in carbohydrates.
It ranges from 70-80%.
83% of total dry matter of wheat, barley, rye, maize, sorghum
and rice and 79% of oats.
Carbohydrates in cereal grains include more than 90% of starch.
Dextrin occurs in small amounts.
Bran chiefly contains pentosans and some cellulose and lignin.
Germ tissues have sucrose.
PROTEINS:
Cereal proteins are simple proteins in composition.
Conjugated proteins like nucleoproteins are concentrated mostly in the germ.
The simple proteins yield α- amino acids on hydrolysis.
Among simple proteins, cereal grains found to have
1) water soluble proteins (albumins)
2) salt soluble proteins (globulins)
3) alcohol soluble proteins (prolamines)
4) acids and alkali soluble proteins (glutuleins)
In cereals 6-12%
Jam means the product prepared from sound, ripe, fresh, dehydrated, frozen or previously packed fruits including fruit juices, fruit pulp, fruit juice concentrate or dry fruit by boiling its pieces or pulp or puree with nutritive value
Fruit Jelly means the product prepared by boiling fruit juice or fruit(s) of sound quality, with or without water, expressing and straining the juice, adding nutritive sweeteners, and concentrating to such a consistency that gelatinization takes place on cooling. The product shall not be syrupy, sticky or gummy and shall be clear, sparkling and transparent.
Marmallade
This is a citrus fruit product prepared by cooking fruit pulp or extract with sufficient amount of sugar and using shreds of peel as suspended material.
Marmalades are classified into :
1. Jelly marmalade
2. Jam marmalade
Preserves
A mature fruit/ vegetable or its piece impregnated with heavy sugar syrup till it becomes tender and transparent is known as preserve. When fruits are placed in a concentrated sugar syrup, the water moves out of the fruit and sugar moves into it until equilibrium is reached by osmosis. Apple, Cherry, anola, pineapple, pear, mango, papaya, strawberry, etc., can be used for making preserves. FPO specifications for preserves are given in Quality section
Candies Vegetable & fruits
A fruit or vegetable impregnated with cane sugar or glucose syrup, and subsequently drained free of syrup and dried, is known as candied fruit/vegetable. The most suitable fruits for candying are pineapple, cherry, aonla, karonda, papaya, apple, peach, peels of orange, ginger etc.
Flour used in bakeries and biscuit factories which is obtained by milling wheat. as flour is the principal ingredient for baked products.
There are various types of flour used which are mentioned below:
All Purpose Flour
Cake Flour
Pastry Flour
Bread Flour
Self-Rising Flour
Whole Wheat Flour
Gluten Free Flour
Oat Flour
Semolina
Powerpoint presentation of "Vegetables" in Principles of food production (.
Disclaimer: I do not own the rights nor property of this powerpoint presentation. All rights reserved to the owner.
Don't forget to follow me on twitter @joviinthecity
Thank You!
xoxo
-Jovi
Cereals:
Cereals form the major source of food.
The composition of cereal grains varies greatly due to
The genetic makeup of the plant
Soil factors
Climatic factors
Cultural practices
Cereals include rice, wheat, maize, sorghum, barley, etc
They comes under the family gramineae, i.e grass family.
Chemistry of cereal crops deals about chemical constituents :
Carbohydrates
Fats
Proteins
Ash
Nutrients like Ca,P
Vitamins
Toxins
Cereals are the major part of Indian diet so also known as staple foods.
The 80% percent of the dry matter in grains is carbohydrate, mainly the starch therefore, they are considered as the main energy providing crops.
Cereals provide 350 kcal of energy per 100 grams to the body.
Cereals contain 6-12% of protein
The whole grain form of cereal is more nutritious than milled one as it contains greater levels of B-complex vitamins, dietary fibre and essential fatty acids.
Cereals low in proteins.
High in Nitrogen Free Extract which includes the carbohydrates such as starch, dextrin, soluble sugars.
Starch constitutes more than 90% of NFE.
Grains, hulls and bran – rich in cellulose, pentosans and ash constituents.
germ or embryo – higher oil content, crude protein, sugar and minerals.
Endosperm – starch.
Abundant constituent of cereal plant system (80-95%).
With maturity water content decreases in plant.
CARBOHYDRATES:
Generally cereals rich in carbohydrates.
It ranges from 70-80%.
83% of total dry matter of wheat, barley, rye, maize, sorghum
and rice and 79% of oats.
Carbohydrates in cereal grains include more than 90% of starch.
Dextrin occurs in small amounts.
Bran chiefly contains pentosans and some cellulose and lignin.
Germ tissues have sucrose.
PROTEINS:
Cereal proteins are simple proteins in composition.
Conjugated proteins like nucleoproteins are concentrated mostly in the germ.
The simple proteins yield α- amino acids on hydrolysis.
Among simple proteins, cereal grains found to have
1) water soluble proteins (albumins)
2) salt soluble proteins (globulins)
3) alcohol soluble proteins (prolamines)
4) acids and alkali soluble proteins (glutuleins)
In cereals 6-12%
Jam means the product prepared from sound, ripe, fresh, dehydrated, frozen or previously packed fruits including fruit juices, fruit pulp, fruit juice concentrate or dry fruit by boiling its pieces or pulp or puree with nutritive value
Fruit Jelly means the product prepared by boiling fruit juice or fruit(s) of sound quality, with or without water, expressing and straining the juice, adding nutritive sweeteners, and concentrating to such a consistency that gelatinization takes place on cooling. The product shall not be syrupy, sticky or gummy and shall be clear, sparkling and transparent.
Marmallade
This is a citrus fruit product prepared by cooking fruit pulp or extract with sufficient amount of sugar and using shreds of peel as suspended material.
Marmalades are classified into :
1. Jelly marmalade
2. Jam marmalade
Preserves
A mature fruit/ vegetable or its piece impregnated with heavy sugar syrup till it becomes tender and transparent is known as preserve. When fruits are placed in a concentrated sugar syrup, the water moves out of the fruit and sugar moves into it until equilibrium is reached by osmosis. Apple, Cherry, anola, pineapple, pear, mango, papaya, strawberry, etc., can be used for making preserves. FPO specifications for preserves are given in Quality section
Candies Vegetable & fruits
A fruit or vegetable impregnated with cane sugar or glucose syrup, and subsequently drained free of syrup and dried, is known as candied fruit/vegetable. The most suitable fruits for candying are pineapple, cherry, aonla, karonda, papaya, apple, peach, peels of orange, ginger etc.
Powerpoint presentation of "Rice and Other Grains" in Principles of food production (.
Disclaimer: I do not own the rights nor property of this powerpoint presentation. All rights reserved to the owner.
Don't forget to follow me on twitter @joviinthecity
Thank You!
xoxo
-Jovi
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10. NUTRITIVE VALUE OF CEREALS
Useful amount of protein, HBV, gluten, growth.
Small amount of unsaturated fat, energy.
Lots of carbohydrate, cellulose, starch, energy.
Vitamin B group for nerves and energy.
Calcium and Phosphorus for bones and
Iron for the blood.
Very little water so they are easy to store.
11. VALUE OF CEREALS IN THE DIET
Nutritious, especially whole grain products.
Cheap.
Filling.
Good sort of protein for vegans.
No waste.
Easy to store, prepare, cook.
Over eating cereals can cause obesity.
Insipid.
12. EFFECTS OF COOKING ON
CEREALS
Starch grains swell and burst.
The starch grains absorb liquids and thicken them.
Starch becomes digestible.
Cellulose softens.
Loss of vitamin B.
13. WHEAT GRAIN STRUCTURE
Bran layer:
Fibre, Iron, Vit. B
Endosperm:
Starch and Protein (gluten).
Germ:
Fat, Vit. B, Iron, Protein
14. GLUTEN
Protein found in wheat
Becomes stretchy when
wet
Allows dough to stretch
when it is rising.
At a certain temperature
it sets and the dough
keeps the risen shape
15. FLOUR
Flour can be made from wheat, rye, oats, maize, rice.
Most common is wheat flour because of the gluten.
To make wholemeal flour, grains are ground (milled).
To make white flour the bran and germ are sieved out of
the wholemeal flour
White flour is fortified with vitamins and minerals
16. TYPES OF FLOUR
Types Details
Wholemeal Flour Contains all parts of the grain
White Flour All the germ and bran removed
Self-raising Flour White flour with baking powder added
Strong Flour Contains extra gluten for yeast bread.
Gluten Free Flour Gluten removed for coeliacs
18. PASTA
Made from the endosperm
(semolina) of durum wheat mixed
with water, shaped and then dried
Sometimes eggs are added.
Brown pasta made from wholemeal
flour
Green pasta has spinach purée
added.
Red pasta has tomato purée added.
Black pasta has squid ink added
19. RICE
Grown mostly in the Far East
White “polished” rice loses fibre and vitamin B
Other rice products:
krispies, flour, cakes, paper, wine, ground rice.
Type Detalis
Long grain rice (Patna) Savoury dishes e.g. curry
Medium grain rice (italian) (arborio) Risotto
Short grain rice (pearl) (pudding) (Carolina) Sweet dishes e.g. rice pudding
Basmati rice Savoury dishes
Treated rice Quick to cook e.g. “Uncle Bens” boil
in the bag
Brown rice More nutritious, 40 mins. to cook
20. OTHER SEEDS
Rich in: Omega fatty acids, Fibre, Vitamin E.
Sesame, linseed, pumpkin, sunflower
