COURSE TITLE:-Post Harvest Management
Dr S.C. Sahoo
(Dept. of fruit sciene and horti
Mr Manas Kumar Patel
(Dept. of fruit sc and horti.tech.)
College of agriculture,OUAT
Food processing wastes are those end products of various food processing
industries that have not been recycled or used for other purposes.
They are the non-product flows of raw materials whose economic values ate
less than the cost of collection and recovery for reuse; and therefore
discarded as wastes.
These wastes could be considered valuable by-products if there were
appropriate technical means and if the value of the subsequent products
were to exceed the cost of reprocessing
can be degraded (paper, wood,
fruits and others)
cannot be degraded (plastics, bottles, old
machines,cans, styrofoam containers and
Waste management is the collection of all thrown away materials in order to
recycle them and as a result decrease their effects on our health, our
surroundings and the environment and enhance the quality of life.
Management is done by
e,energy capture and
During the canning of fruits & vegetables and the preparation of juices,
squashes, jam, jelly, dried product etc large quantity of waste material are
left over, and these have to be utilized for the manufacture of the by-
product in order to reduce the cost of production of the main product.
The wasrte can be successfully utilized by setting up a byproduct industry is
should fairly costly venture and its success depends upon the ready
availability of large quantity of the waste material in the neighbourhood.
Industry should used byproduct of a industry as raw material in their
Pomocae left after extraction of apple juice
can be dried and utilized for preparation of
Apple rich source of sugar and pectin used
Apple chutney is also similar to mango
Apricot used as confectionary like
kernel-edible oil, macaroon
rich in protein used as cattle feed.
Apricot waste fruit
Apricot used cosmetic
Stem-cream of tarter.
Seeds-separate and pressed to
extract oil,oil cake
Tartaric acid recover by
Tannin extract can be extracted
from the hulls of the decorticated
Grape jelly, grape chutney
Grape can used in commercial
Core, seeds and peel utilized for
preparation of guava cheese.
Guava is rich in pectin so used
commercial production of
pectin from peel.
Waste material:-thick rind with
good raw material for high class
jelly.(rich in pectin).
Seeds are starchy so used for flour
Jackfruit leather also same as
Banana peel:-used as banana
cheese similar like guava
Pseudo stem:-raw material for
preparation of paper pulp and
also fibre in cloth.
Papain production from
green papaya used in leather
and pharmaceutical industry.
Preparation of pectin from
Mango peel:-molasses for
cattle and fermentation into
Dried stone kernel:-flour
Kernel oil:-soap and oil industry
Pineapple juice from waste
part fermented into alcohol
and used in automobile
Core used as candy also
recover juice and also for
preparation of jam with high
quality of pectin.
Pressed cake used as animal
Vinegar also prepared.
Thick hard rind rich In pectin
Seed used in oil preparation
Perry preparation then use
for vinegar production.
Waste of peach
total dietary fibber content of
kiwifruit pomace amounts to
approximately 25% on a dry
Byproducts:-peel,rags and seed
Essential oil for cosmetics
Peel oil of high quality:-used
flavouring material in juice
Deoiled peel:-citrus pectin.
Citrus seed:-oil (0.54%),limoline
used in mosquito repellent.
Citric acid also prepared from
citrus by fermentation.