Abstract
Background: Foods that promote health benefits are being increasingly used. Innovative
techniques, such as nanotechnology, have been used to improve functional properties, sensory characteristics,
or the conservation of foods.
Objective: The objective of this study was to identify the technological domain of patents for tomato
products with or without nanotechnology and elucidate the technological advances associated with the
recent use of tomatoes as a natural food dye in the food industry by exploring patent documents.
Methods and Results: The search was conducted using the Espacenet and INPI databases. There was
an increase in patent document applications employing nanotechnology in 2013, with a peak between
2017 and 2018. China is the lead country in the number of patent applications. In Brazil, the patent applications
are variable, and the food industry is most involved in studies on tomatoes as a natural food
dye. Most patent deposits using nanotechnology were from companies, and the main sources of the patent
application were the food and pharmaceutical industries.
Conclusion: There is an increasing trend for the use of tomatoes as natural food dyes, produced with or
without nanotechnology, and number of patents filed yearly. New technologies are being developed in
several application areas.
Keywords:
Lycopene, bioactive compounds, nanoencapsulation, patent analysis, industrial application, intellectual property.
Graphical Abstract
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