Biological Preservation Systems

1
Biological Preservation Systems

• Food Microbiology

2
Consumer Trends

• Preservative-Free
• Wary of Processed Foods
• Refrigerated Foods
• Additional Barriers Needed
• Lactic Acid Bacteria
• Biopreservation

3
Biopreservation

• Definition
• Bacteriocins
• Marketing
• Nutraceuticals and Pharmafoods
• Handout

4
Modes of Action

• Acidification
• Bacteriocin Production
• Applications
• Regulatory Status
• Cultures
• Nisin

5
Probiotic Bacteria

• Metchnikoff
• Definition
• Human GI Tract
• 400 Species of Bacteria
• 30-40 make up 99
• Lactobacillus acidophilus

6
Health Benefits

• Treatment and Prevention of Lactose Intolerance
• Treatment and Prevention of Diarrhea
• Reduction of Serum Cholesterol
• Prevention of Colointestinal Cancer