A synthesis process for crosslinking chitosan beads with trimethylolpropane triacrylate using radiation therapy for encapsulating essential oils and the resulting products to extend the shelf life of fresh grapes.
Patent Information
- Application Number
- TH2501004854
- Authority / Receiving Office
- TH · TH
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2025-07-22
- Publication Date
- 2026-08-17
Smart Images
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Abstract
Claims
OCR09WP03 / 08 / 25691. A irradiated synthesis method for the encapsulation of essential oils and their resulting products to extend the shelf life of fresh grapes, comprising the following steps: a. Preparation of a chitosan solution by dissolving it in a weak acid solution. b. Dropping the chitosan solution obtained in step a into a base solution. c. Immersing the chitosan beads obtained in step b in the crosslinking agent solution. d. Irradiating the mixture obtained in step c. e. Encapsulating the essential oils from the chitosan beads obtained after irradiation in step d.
2. A irradiated synthesis method for the encapsulation of essential oils and their resulting products to extend the shelf life of fresh grapes, in accordance with claim 1, where the chitosan in step a has a molecular weight of 50 to 600 kilodaltons (kDa). 3.
1. A synthesis process for crosslinking chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes, according to one of the claims 1-2, where the molecular weight of chitosan in step a is optimally 300 to 500 kilodaltons.
4. A synthesis process for crosslinking chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes, according to one of the claims 1-3, where chitosan in step a can be selected from shrimp shells, crab shells, and squid skeletons.
5. A synthesis process for crosslinking chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes, according to one of the claims 1-4, where the chitosan solution in step a has a concentration of 0.5 to 3% by weight. 6.
7. A synthesis process for crosslinked chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to any one of Patents 1-5, where the optimal concentration of the chitosan solution is 1.5 to 2.5% by weight.
8. A synthesis process for crosslinked chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to any one of Patents 1-6, where the concentration of the weak acid solution in step a is 0.5 to 60% by weight.
9. A synthesis process for crosslinked chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to any one of Patents 1-7, where the optimal concentration of the weak acid solution is 1 to 5% by weight.
10. A synthesis method for crosslinking chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to one of the claims 1, 7, or 8, where the weak acid solution is selectable from carbonic acid, lactic acid, and acetic acid.
11. A synthesis method for crosslinking chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to one of the claims 1, 7, 8, or 9, where the weak acid solution is most suitable from acetic acid.
12. A synthesis method for crosslinking chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to claim 1, where the base solution in step b has a concentration of 2 to 40% by weight. 13.
12. A synthesis process for crosslinking chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to any one of Patents 1-11, where the optimal base solution concentration is 5 to 10% by weight.
13. A synthesis process for crosslinking chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to any one of Patents 1, 11, or 12, where the base solution can be selected from potassium hydroxide, calcium hydroxide, and sodium hydroxide.
14. A synthesis process for crosslinking chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to any one of Patents 1, 11, 12, or 13, where the optimal base solution is sodium hydroxide. 15.
16. A synthesis method for crosslinking chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to any one of the claims 1-15, where the resulting chitosan beads are immersed in a crosslinking agent solution in step C with a concentration of 0.5 to 60% by weight.
17. A synthesis method for crosslinking chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to any one of the claims 1-15, where the crosslinking agent solution has an optimal concentration of 1 to 4% by weight.
18. A radiative synthesis method for crosslinking chitosan beads with trimethylolpropane triacrylate for the encapsulation of essential oils and the resulting products for extending the shelf life of fresh grapes, pursuant to one of Patents 1, 15, or 16, where the crosslinking solution is selectable from either trimethylolpropane triacrylate or trimethylolpropanediacrylate.
19. A synthesis method for crosslinking chitosan beads with trimethylolpropanet triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to any one of Patents 1, 15, 16, or 17, in which the most suitable crosslinking solution is trimethylolpropanet triacrylate.
20. Irradiation at a dose of 0 to 50 kilograys.
21. Irradiation of crosslinked chitosan beads with trimethylolpropane triacrylate for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to Patent 1 or 20, where the optimal radiation dose is 5 to 25 kilograys.
22. Irradiation of crosslinked chitosan beads with trimethylolpropane triacrylate for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to Patent 1, 19, or 20, where the radiation can be selectively chosen from either gamma radiation or X-rays.
23. Irradiation of crosslinked chitosan beads with trimethylolpropane triacrylate for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to Patent 1, 19, 20, or 21, where the optimal radiation is gamma radiation.
23. A process for synthesizing crosslinked chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to claim 1-23, where in step e, the chitosan beads obtained after irradiation in step d are used to encapsulate essential oils with concentrations of 0.1 to 8 molar.
24. A process for synthesizing crosslinked chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to claim 1-24, where the optimal concentration of essential oil is 0.2 to 2 molar.
25. A process for synthesizing crosslinked chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products obtained from this process to extend the shelf life of fresh grapes according to claim 1-24, where the essential oil can be selected from either clove essential oil or thymol essential oil. 26.A synthesis process of crosslinked chitosan beads with trimethylolpropane triacrylate via radiation for the encapsulation of essential oils and products derived from this process to extend the shelf life of fresh grapes according to one of the five patents (1-25), in which the essential oil that best helps to extend the shelf life of fresh grapes is thymol essential oil.