important quality issues in oilseeds crops and how we can improve these quality issues

1. QUALITY ISSUES IN EDIBLE
OIL SEEDS
NAME : MAIZA EJAZ
ARID NO: 20-ARID-2950
AFFILIATION: DEPARTMENT OF PLANT
BREEDING
AND GENETICS PMAS- AAUR
SUBMITTED TO: SIR, DR. GHLUM SHABBIR
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2. CONTENTS
 Introduction
 Other Quality Parameters Of Edible Oil Seeds
 Importance Of Edible Oil Seeds
 Major Issues In The Quality Of edible Oilseeds
 Improvement In The Quality Of Edible Oilseeds
 Conclusion
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3. INTRODUCTION
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From oil quality point of view three
parameters are important Fatty acid
composition, triacylglycerol's composition
and Composition of antioxidants
Edible oilseeds : Soybean, Cotton, Groundnut,
Sunflower, Rapeseed, Sesame, corn
Quality:
Degree to
which set of
inherent
characteristics
fulfill
requirement

4. OTHER QUALITY PARAMETERS OF
EDIBLE OIL SEEDS
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4
Edible oil
seed quality
Fatty acid
composition
protein
content
Iodine
value
Oil seed
content
Starch
content
Free fatty
acid
content
Antinutrients
Moisture
content

5. IMPORTANCE OF EDIBLE OIL SEEDS
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IMPORTANC
E
source of
fiber
source of
vitamins
E,B source of
minerals
P. Fe, mg
Monounsatu
rated fatty
acid
Polyunsaturated
fatty acid
oleic acid an omega-9
α-linoleic acid (omega-3).
linoleic acid (omega-6
hunger and blood sugar in check

6. SHARE OF LOCAL OIL SEEDS
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CROP QUANTITY (MILLION
TONS)
SHARE
%
Cotton 0.356 77
Rapeseed and
mustard
0.065 14
Sunflower 0.035 8
Canola 0.006 1
Share in
total
availability
14%
Pakistan oilseed development board

7. MAJOR ISSUES IN THE QUALITY OF
OILSEEDS
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REDUCTION IN
OIL content
Over irrigation
sunflower
22.5%, sesame
(13.3%)
safflower
(10.2%
DETERIORATION
IN FATTY ACID
COMPOSITION
low availability of
irrigation water
oleic acid
linoleic acid
linolenic acid
palmitic acid
QUALITY OF
SUNFLOWER
FATTY ACID
More protein,
palmitic acid, and
oleic acid
decreased the
CFC and linoleic
acid

8. CONTINUE…
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QUALITY ISSUE
occure OIL
PROCESSING
hot pressing
loss vitamin e
and flavor
substances
QUALITY ISSUES
occure
HARVESTING
AND POST-
HARVEST
OIL CONTENT
prone to heat,
mildew, oil
rancidity, and
deterioration
QUALITY
ISSUES occure
Oil Storage
oxidative
rancidity,
hydrolytic
rancidity, and
ketone rancidity

9. CONTINUE…
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Erucic Acid
And
Glucosinolate
Content In
Rapeseed
More
saturated
fatty acid
chain length
16 carbon
atom in
sunflower
Tocopherol
profile and
fatty acid
composition

10. ANTINUTRITIONAL FACTORS IN
EDIBLE OILSEEDS
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SR.
1
INGREDIENTS ANTINUTRITIONAL FACTORS
1 Soybean Protease inhibitors*, allergens*, oligosaccharides,
phytin, saponin
2 Rapeseed Erucic acid, glucosinolates, sinapine, tannins, pectins,
oligosaccharides
3 Canola Glucosinolates,saponine, oligosaccharides
4 Cottonseed Gossypol, tannins
5 Sunflower Chlorogenic acid
6 Peanut Mycotoxins, tannins, protease
inhibitors*,oligosaccharides,
7 Sesame Phytate, oxalate

11. IMPROVEMENT IN THE QUALITY OF
EDIBLE OILSEEDS
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Somatic Hybridization
 Nervonic acid and ricinoleic acid in
rapeseed
Gene Transfer
 Thioesterase gene for luric acid in
Rapeseed
Marker Assisted Selection
 Sunflower markers for steric acid
and oleic acid

12. CONTINUE…
Mutagenesis:
 fatty acid profile of soybean
,sunflower ,flax ,rapeseed
Somaclonal Variation
 Low glucosinolate in mustard
Intraspecific Cross
 Fatty acid profile of safflower
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Interspecific Hybridization
 zero erucic acid lines rapeseed crossed with
indian mustard

13. CONTINUE…
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Monitoring During Oil Processing Stage
 cold pressing method maybe the better
Monitoring During Plant Harvesting Stage
 proper harvesting method should be selected
Monitoring During storage and preservation
 cold shock-ultraviolet and microwave
irradiation, and chemical preservatives such
as thiophanate, diazolid, and carbendazim

14. CONCLUSION
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Many quality issues of oil seeds are fatty acid
composition, free fatty acid content ,oil content
and presence of antinutrients and composition
of antioxidants, these quality issues can be
solved by good cultivation, harvesting, storage,
processing practices and also through breeding
like interspecific cross, intraspecific cross,
mutagenesis, genetransfer etc.

15. REFERENCES
 https://www.frontiersin.org/articles/10.3389/fpls.2020.01315/full
 https://bmcresnotes.biomedcentral.com/articles/10.1186/s13104-019-4831-x
 edible-oil-quality-fapc-197.pdf
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