Food packaging using nanotechnology improves the standard of packaging material. Active, intelligent and smart packaging techniques

1. M.LATHA
2019613004

2. Introduction
PACKAGING
• Scientific method of enclosing food material / goods in a container and it ensure the
delivery of goods to the ultimate consumer in the best condition indented for their use.
(Robertson,G.L.,2005)
Convenient
Protection
Communication

4. Polymer Nanocomposites
Incorporating nanomaterials into the packaging polymer to improve
physical performance, durability, barrierproperties, and
biodegradation.
Polymer Matrix + Nanomaterials= PNCs
Functions
1.Enhance polymer barrier
properties
2.Stronger
3.More flame resistant
4.Possess better thermal
properties than control
polymers which contain no
nano scale filler
5.Alterations in surface
wettability and
hydrophobicity.
IMPROVED PACKAGING

5. Incorporating nanomaterials with antimicrobial or other properties
(e.g.antioxidant) with intentional release into-and consequent
effect on the packaged food.
Anti-microbial agents: Ag Nps, ZnO Nps
Oxygen scavengers
Ferrous iron powder: contained in oxygen permeable
sachet normally used.
 Titanium dioxide (TiO2): nanocrystalline act by a
photocatalytic mechanism under UV rays.
 Iron-based nanoclay with LDPE,HDPE,PET
Functions
•Oxygen scavenging
•Water vapour removal
• Ethylene removal
• Ethanol release
• Self healing composites
• Temperature regulator
• Antimicrobial nanocomposites
ACTIVE PACKAGING

6. INTELLIGENT/ SMART PACKAGING
Incorporating nano-sensors to monitor and report on the
condition of the food.
They are able to respond to environmental changes inside the
package (Temperature, humidity and level of oxygen exposure)
Nano-sensors communicate the degradation of product or
microbial contamination
Eliminate the need for inaccurate expiration dates.
 Provide real-time status of Food freshness e.g Ripesense
Functions
Sensors
• Oxygen sensor
• Time-Temperature sensor
• Gases sensor
•Ethylene
• Ripeness sensor
Biosensor
Leakage Indicator

7. Printing Inks and coatings
• Printing inks are coloured liquids or pastes, formulated to transfer and reproduce an
image from a printing surface.
• They are used mainly to convey a message and provide protection; however, they also
can give a decorative effect to the substrate to which they are applied.
• Printing inks are used on a wide range of papers, boards, plastic, glass and textiles
surface in flat and, in some instances, preformed shapes.
• Typical packaging printing process
Process colors
• Illustrations
Laquer/varnish
• Finishing & protection

8. Chemicoat video
https://www.youtube.com/watch?v=mglbkbnB-
Ug

9. Types of inks
• Conventional offset printing inks (Paste)
Solvents: Mineral oil, vegetable oils, fatty acid esters
Vehicles: Modified natural resins
• Solvent based printing inks (Liquid)
Solvents: Ethanol/ethyl acetate, ethoxy propanol
Vehicles: Synthetic resins, modified natural resins, nitrocellulose
• Water based printing inks and coatings
Aqueous polymer dispersions and solutions
• UV- curing inks and lacquers (Paste/ liquid)
Reactive polymers, oligomers,monomers

10. Luna water based ink
• Nano dispersion solvent
• https://www.youtube.com/watch?v=7uho210wUJQ

11. side effects
Contact between printed side and
reverse side in a printed pile or roll
This contact can cause a transfer of ink &
laquer to the reverse (unprinted) side
of the substrate
Migration
Transfer of chemicals to the food
contact side

12. Best practices: Regulation EC 2023/2006
• ‘Good manufacturing practice for materials and articles intended to come in contact
with food’
• There shall be no migration from printed side to food contact side!
Applies to the total packaging chain:
• Substrate suppliers
• Ink manufacturers
• Adhesive manufactures
• printers/convertors
• Packers/fillers
• Distributors
• Retailers

13. Edible printing ink
• Edible printing ink composition
• https://www.youtube.com/watch?v=ZFuTe5WgHa8
• printing on Coffee
• https://www.youtube.com/watch?v=W7KFAH81qO0
• printing on cookies and cakes
• https://www.youtube.com/watch?v=vPQOXEIFO_w

14. 3D Printing
• Video food ink
• https://www.youtube.com/watch?v=UWOVvSfSjCM

15. • Possible migration into food and drinks causing a toxicological risk.
• Fate in the environment after disposal of the packaging.
• Fate during recovery and recycling to make ‘new’ packaging materials.
Safety issues
Food safety and
quality and
impact on
consumers
Environmental
impacts

16. conclusion
•Lack of understanding on how to evaluate the potential hazard of nanomaterials by
the oral (food) route.
•Lack of tools to use to estimate exposure.
•Possibility that the high surface area and active surface chemistry of some
nanomaterials could give rise to unwanted chemical reactions.
•Lack of understanding on the impact of nanomaterials in waste disposal streams.

17. THANK YOUThank You