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Food which is stored in different organs of plants is of
various forms. This food material includes starch, glucose,
sucrose, reserve cellulose, inulin, glycogen as
carbonhydrates. Fats and oils are found in almost all living
cells. In oily seed very little of carbohydrates is found.
Food is stored as proteins in the from of Aleurone grains
which are found abundantly in oily seed. Pluses are rich in
proteins.

Large amount of food is stored up in
endorsperm and cotyledons of seed. This stored food is used
up by embryo for its growth. Food is stored here in
insoluble form, it is firstly changed into simpler form
which is soluble. This conversion is die to action of
certain enzymes

Cereals e.g. rice, maize, wheat, oat,
barley etc. are rich in starch. On the cell walls of
endosperm reserve cellulose is deposited e.g. date palms,
beta-nut-palm. There is a great deposition of oils in seeds
of coconut, castor, sunflower, groundnut etc. Soybean has
maximum amount of proteins. About 35% proteins are present
in soybeans oily seed such as castor seed also contains a
high percentage of proteins

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