Contaminants in food and beverages

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Contaminants in food and beverages

• Contamination in food oil (Edible Oil)

Presented by Pooja S. Dandekar
T.Y. B.sc (Chemistry)
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Contents

• Types of oil
• Sunflower oil and its contaminants
• Risk factors of contamination (Sunflower oil)
• Fish oil and its contaminants
• Side effects of the contamination
• Benefits of Fish oil
• Remedies to reduce contamination (Fish oil)

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Types of oil

• Oil is a collective term for more or less
  viscous, generally organic chemical liquid
  depending on their chemical composition a
  distinction may be drawn between
• Fatty oil
• Essential oil
• Mineral oil
• Silicone oil
• Note Fatty oil is also known as sweet oil.

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Sunflower oil and its contaminants

• It is vegetable origin.
• High quality edible oil.
• Obtained from fatty kernels of sunflower
• Types of Sunflower oil
• Cold pressed crude oil (color Light yellow)
• Hot pressed crude oil (color Brown)
• Refined oil (colorless)

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Contaminants of sunflower oil

• Acid value
• 0.9 -1.1
• Rancidity
• Promoted by light, atmospheric oxygen, moisture
• Ferrous and rust particles
• Sea Water
• Unshelled kernels
• Packaging
• Transport
• Cargo handling

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Risk factors of contamination (Sunflower oil)

• RF temperature

Designation Temperature range
Travel temperature (Favorable temperature range) 15C (5 - 26C)
Solidification temperature -16C - -18C
Pumping temperature approx. 15C

• RF moisture
• RF Ventilation
• RF Gases
• RF Contamination behavior
• RF Shrinkage / Shortage

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Salmon and cod liver oil and their contaminants

• 23 consumption rate in 1987 99
• Omega 3 fatty acid present in salmon
• Fish farm pesticides
• Flame retardants
• PBDE (poly brominated diphenyl ether )

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Omega 3 fatty acid structure
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Side effects of the contamination

• Size and shape of a Fish may change
• May risk of cancer
• Salmon feeding

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Benefits of Fish oil

• Reduces heart deceases
• Lowers the risk of cancer
• Chronic deceases such as
• Asthma
• Depression
• High blood pressure
• Rheumatoid Arthritis

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Remedies to reduce contamination (Fish oil)

• Molecular distillation
• Use of air-tight containers for storage.

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References

• Fish and Shellfish Products and Contaminants
• http//www.foodrisk.org/fish_and_shellfish_produc
  ts_contaminants.cfm
• Mineral oil and PCB/dioxin analysis in some
  European food contamination episodes
• http//www.springerlink.com/content/kugxpjexjydmd
  g4n/
• Understanding Food-Grade Lubricants
• http//www.noria.com/learning_center/category_art
  icle.asp?articleid445relatedbookgroupLubricatio
  n
• Salmon and Cod Liver Oil Contamination Key Point
  - Rely on Pharmaceutical Grade Fish Oil for Your
  Omega-3 Fatty Acid Needs
• http//www.doctormurray.com/newsletter/2-7-2004.h
  tm

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References

• Alaskan Sockeye Salmon Oil Capsules
• http//www.calcompnutrition.com/salmon-oil.html
• Alaskan Sockeye Salmon Oil Capsules
• http//www.ediblescience.com/medical-studies.asp?
  id20
• Fish Oil Supplements Is The Brand You're Taking
  Safe?
• http//www.oceansalive.org/eat.cfm?subnavfishoil
  sortCompany
• Sunflower oil
• http//www.tis-gdv.de/tis_e/ware/oele/sonnenbl/so
  nnenbl.htm

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Thanks to Dr. A. S. Goswami-Girifor her valuable
guidance for completion of the project.