here you can gain a good knowledge about oil crop cultivation and value adding process practiced in Jaffna region in Sri Lanka,

1. OILCROPS
CULTIVATION AND
VALUE ADDITION
PROCESS IN JAFFNA
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2. Contents
Introduction
Extent and production of oil crops in northern province
Value addition of groundnut
Value addition of sesame
Value addition of mustard
Summary
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3. Introduction
Oilseed crops are grown primarily for the oil contained in the seeds.
Oil crops include both annual and perennial plants whose seed, fruits,
or mesocarp and nuts are valued mainly for edible or industrial oil that
are extracted from them.
Heavy metal stress is major abiotic stresses that limit the oil crop
growth and development.
Antioxidant defenses system enhance the plant tolerance against metal
induced toxicity.
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4. Cont…..
Many varieties of groundnut were developed and released by research
organizations.
‘Tissa’ and ‘Indhi’ are leading in the province.
The variety ‘Walawa’ is confectionary type, which can be used for
confectionary industry.
Gingelly oil extraction practices using “ chekku “ is popular in Jaffna,
Vavunia and Kilinochchi districts.
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5. Extent and production of oil crops in
northern province
• Oil crops that are being cultivated in the region are sesame and
groundnut.
• Sesame used to extract oil for cooking purposes
• Groundnut is used for raw consumption
• Sesame cultivation in Jaffna is more than other districts due to high
demand for oil.
• Sesame cultivation take place in the paddy fields after harvesting.
Irrigated cultivation is very much low.
• Oil extraction from gingelly through traditional method.
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6. Cont….
There are 150 small traditional mills utilized for oil extraction.
The by- products can be used for an animal feed.
Castor oil production is to be evaluated interms of market and economic
production.
Weaknesses in this production system:-
o No seed supply mechanisms
o Use of old varieties
o lack of value added product preparation
o poor crop managements
o Traditional cultivation methods
o No proper organization of market network
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7. Value addition to groundnut
• Conventional oven roasting
• Salted peanut
i. Conventional oven peanut
ii. Microwave oven roasting
iii. Oil roasting (French roasting)
• Frozen unshelled groundnut product
• Groundnut milk
• Peanut butter
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8. Value addition to sesame
• Sesame oil is the main value added product of the sesame seeds. It can
be used as
i. Cooking purpose
ii. Religious purpose
iii. Making some cosmetics
• Seeds can be used to make sweet items
• After the oil extraction seed cakes can be feed to animals (sesame
poonak)
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9. Value addition to mustard
• In Jaffna normally mustard is cultivating in small scale
• Mainly by-products of mustard are using for animal consumption
• But also it is using for human consumption
i. Mustard oil
ii. Mustard cream
iii. Creamy mustard souse
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10. Summary
• Groundnut, sesame, mustard are the main oil crops cultivated in Jaffna
• Mainly Jaffna farmers are doing some value addition for these oil
crops for enhance the palatability and income from their crops
• These value addition processes are doing commercially and small
scales
• Sometimes they are adding values for these crops for only their home
consumption
• From these value addition process, farmers can gain high income
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11. THANK YOU
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