Post-harvest + Quality Assurance By Patrick ULLOA.
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Post-harvest + Quality Assurance By Patrick ULLOA
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Transcript of Post-harvest + Quality Assurance By Patrick ULLOA.
Post-harvest + Quality AssuranceBy Patrick ULLOA
Post-harvest + Quality Assurance
= Effective Quality Management
Effective Quality Management
• It is a team effort• The end result depends
on the performance of each team member
• Your team is as good as your weakest link.
• Both, speed and correct technique are important
• If we are not careful we can fall flat on our face
Quality Management in Detail
• Able to measure
• Appropriate corrective action
Quality Management Initiatives
1. Maintaining quality within acceptable limits
2. Time and temperature monitoring
3. Non-visual quality assessments
1. Acceptable Limits
Rejection Zone
Good fruit into 2nds Zone
Rule of Thumb (Field)
0%
2%
5%
2. Time and Temperature
Time-Temperature Tracker
Transport temperature tracking
3. Non-visual quality assessments
The percentage of Citric Acid in Highbush Blueberries is an indicator of:
taste level of maturity fruit resistance against moulds and bacteria Storage life
The ratio of Sugar/ Acidity is a global indicator of POST-HARVEST FRUIT QUALITY.
PARAMETERS BIBLIOGRAPHY
pH2.25 – 4.25
Soluble Solids 10 - 17 % (Brix)
Titratable Acidity0.3 – 1.4 %
Ratio SS/TA
10 – 33
< 18 Good keeping quality18 – 32 Medium keeping quality> 32 Low keeping quality
A B C D E F G
The Future
• Efficiency• Effectiveness• Complexity• Science• Technology (The Internet of Things)
