present
DESCRIPTION
AND. PRESENT. Nanotechnology in the food industry. What is nanotechnology ?. Oxford diaries : “the branch of technology that deals with dimensions and tolerances of less than hundred nanometers , especially the manipulation of individual atoms and molecules” One billionth of a meter - PowerPoint PPT PresentationTRANSCRIPT
PRESENTPRESENT
AND
Nanotechnology in Nanotechnology in the food industrythe food industry
What is What is nanotechnology?nanotechnology?Oxford diaries: Oxford diaries: “the branch of technology that “the branch of technology that deals with dimensions and tolerances of less deals with dimensions and tolerances of less than hundred nanometers, especially the than hundred nanometers, especially the manipulation of individual atoms and manipulation of individual atoms and molecules”molecules”
One billionth of a meterOne billionth of a meter
New properties emerge at the nanoscaleNew properties emerge at the nanoscale
Nanotechnology Nanotechnology in the food in the food
industryindustryNanocapsulesNanocapsules
Nanotechnology in food packagingNanotechnology in food packagingSmart food packagingSmart food packaging
NanocapsulesNanocapsulesThey are synthetic colloidal systems of They are synthetic colloidal systems of the vesicular typethe vesicular type
They consist of a central lipophilic core, They consist of a central lipophilic core, in which an active substance can be in which an active substance can be incorporatedincorporated
They are already used in the food They are already used in the food industry to modify the structure of foodindustry to modify the structure of food
Nanotechnology Nanotechnology in food packagingin food packaging
Advantages compared with normal Advantages compared with normal plastic:plastic:
Improve mechanical strengthImprove mechanical strength
Reduce weightReduce weight
Increase the heat resistanceIncrease the heat resistance
Improve the barrier against oxygen, CO₂ Improve the barrier against oxygen, CO₂ and moistand moist
Antimicrobial activityAntimicrobial activity
Increase shell lifeIncrease shell life
Nanotechnology Nanotechnology in food packaging in food packaging
(2)(2)Carbon nanotubes:Carbon nanotubes:Improve its mechanical propertiesImprove its mechanical properties
Powerful antimicrobial effectsPowerful antimicrobial effectsE.coliE.coli died immediately by direct contact died immediately by direct contact
Smart food Smart food packagingpackaging
Alerts the costumer for:Alerts the costumer for:Contamination or the presence of Contamination or the presence of pathogenspathogens
Oxygen that gets inside the packagingOxygen that gets inside the packaging
Nanoparticles can block oxygen, CO₂ Nanoparticles can block oxygen, CO₂ and moistureand moisture
Bio switchBio switch
Self cleaning Self cleaning
Cholesterol Cholesterol What is cholesterol?What is cholesterol?
DefinitionDefinition
2 important roles2 important roles
2 types of cholesterol2 types of cholesterolHigh density lipoprotein(HDL) High density lipoprotein(HDL) good good
Low density lipoprotein (LDL) Low density lipoprotein (LDL) bad badLDL will accumulate in the arteriesLDL will accumulate in the arteries
The blood circulation will be disturbedThe blood circulation will be disturbed
Connection between cholesterol and Connection between cholesterol and nanocapsulesnanocapsules
Accumulation in the Accumulation in the arteryartery
Nanocoatings in Nanocoatings in the food industrythe food industryProtection to floors, worktables, Protection to floors, worktables, machines,…machines,…
Hygienic and save Hygienic and save
Developed by Idétrading under the Developed by Idétrading under the name Lotuxname Lotux
The production of The production of coatingscoatings
Manipulating moleculair structure of Manipulating moleculair structure of teflon with nanotechnologyteflon with nanotechnology
Different steps Different steps 1)1) Nanoparticles arrange themselve Nanoparticles arrange themselve
(intelligent way) (intelligent way)
2)2) Binding components will move over the Binding components will move over the surface (protection against degeneration)surface (protection against degeneration)
3)3) Ultrathin transparant layer will be formed Ultrathin transparant layer will be formed
AdvantagesAdvantagesProtects surfaces from bacteria’s, fats, oils, Protects surfaces from bacteria’s, fats, oils, moist,…and no quick attachement.moist,…and no quick attachement.
Isolates materialIsolates material
Easier cleaning then before (environmental Easier cleaning then before (environmental friendly)friendly)
Positive effect on the life span of materialPositive effect on the life span of material
Costs in company are not so high anymoreCosts in company are not so high anymore
……
Public perceptionPublic perceptionKnowledge is limitedKnowledge is limited
In Europe, public isn’t optimisticIn Europe, public isn’t optimistic
Trust is bigger in food packaging as in Trust is bigger in food packaging as in nanofoodnanofood
The social trust is very important!The social trust is very important!
ConclusionConclusionIt’s a great inventionIt’s a great invention
Lots of advantagesLots of advantages
Problem is the public perceptionProblem is the public perception
Thank you for your Thank you for your attentionattention
Francois Dubs, Geoffrey Meurnier, Maxime Vander Francois Dubs, Geoffrey Meurnier, Maxime Vander Elst,Elst,
Sarah Massei, Veerle Sajdl, Vincent van Veghel, Sarah Massei, Veerle Sajdl, Vincent van Veghel, Maxim VerbovenMaxim Verboven