Did you know that the polysaccharides in FIGO TINTO® can also serve as natural coatings to keep food fresh for longer?
A recent study showed that biofilms made with polysaccharides from Opuntia dillenii enriched with glutathione help preserve fresh plant products such as water chestnut, reducing browning, cell deterioration and oxidation, while maintaining texture and sensory quality.
What was investigated?
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Polysaccharides were extracted from the TINTO® FIG (ODP) using aqueous methods.
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An edible film was formulated by adding glutathione (GSH) , a powerful cellular antioxidant.
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This coating was applied to fresh water chestnuts and the following were evaluated:
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Color changes and oxidation
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Firmness and texture
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Enzymatic activity (PPO, POD)
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Microstructural state (SEM microscopy)
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Key results: improved preservation and sensory quality
The samples coated with ODP-GSH showed:
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Less browning (brown color)
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Greater firmness after several days of storage
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Less water loss and less structural degradation
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Reduction in the activity of oxidative enzymes that cause browning
The coating slowed the deterioration process without the need for chemical preservatives, opening the door to the development of edible and sustainable active packaging.
Mechanism of action
The success of these biofilms is due to the synergy between the polysaccharides of the RED FIG® and glutathione , which together:
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They form a semi-permeable barrier against oxygen and moisture
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They neutralize free radicals
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They inhibit enzymes that catalyze browning reactions
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They better preserve the cellular structure
Application and future
This type of technology can be used for:
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Natural preservation of cut fruits and vegetables
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Replace plastic packaging on fresh produce
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Applications in natural cosmetics such as bioactive masks and dressings
Relationship with Tuno Canarias products
The use of polysaccharides from the TINTO FIG® is not limited to food preservation. At Tuno Canarias, their bioactive function is harnessed to support gut health, skin, and the immune system, in practical and safe formats:
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Digestive Creamer : formula with prebiotic fiber and polysaccharides for digestive health and microbiota
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BOOST with FIG RED® : cellular energy and antioxidant defense
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HIGO TINTO® Family Max : sugar-free functional cocoa with antioxidant power and fiber
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Pure powder of organic RED FIG® : for capsules or custom recipes with functional ingredients
Conclusion
This study expands the range of possibilities for FIGO TINTO®, not only as a functional ingredient, but also as an active biomaterial for preserving food and protecting the body , thanks to its natural polysaccharides. Once again, science confirms its comprehensive value.
The TINTO FIG® preserves life, even beyond the body.
Reference
Wu S., Zhang Y., Li S., Li C. (2022)
Effects of cactus Opuntia dillenii polysaccharide-based coatings loaded with glutathione on the preservation of freshly cut Chinese water chestnut
Food Chemistry, Volume 395, 133591.
https://doi.org/10.1016/j.foodchem.2022.133591
