FRUIT MARKING PROCEDURE
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United States of America Patent
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Issued Date -
Aug 29, 2013
app pub date -
Oct 5, 2011
filing date -
Oct 28, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of marking fruits includes an incision in a fruit piece surface with a laser beam and the deposition in the superficial incision of a contrast agent comprising salts or oxides of iron or copper at a concentration between 0.001% and 1% of the total weight. The salts or oxides are capable of reacting with any of the phenolic and/or polyphenolic compounds present in the superficial tissues of the fruit. This contrast agent may also include other additives: acidity regulators, emulsifiers, antioxidants and complexing.
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