Systems and methods for manufacturing silk fibroin solution and powders containing silk fibroin

The production of silk fibroin solutions and powders from silkworm cocoons addresses food waste by improving post-harvest preservation and packaging, reducing economic losses and environmental impact through extended shelf life and biodegradable materials.

JP2025131759APending Publication Date: 2025-09-09CAMBRIDGE CROPS INC D B A MORI
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Patent Information

Application Number
JP2025094576
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2021-08-10
Filing Date
2025-06-06
Publication Date
2025-09-09

AI Technical Summary

Technical Problem

One-third of the food produced globally is wasted each year, resulting in significant economic, social, and environmental impacts, with the United States facing a 40% loss of food supply and an estimated annual economic loss of $165 billion, highlighting the need to reduce food waste and increase food availability by extending shelf life.

Method used

A method for producing silk fibroin solutions and powders using silk cocoons from silkworms, involving degumming, dissolution, purification, and microfiltration steps, which can be used to improve post-harvest preservation of fresh produce and packaging, including biodegradable containers.

Benefits of technology

The method reduces food waste by extending the shelf life of fresh produce, thereby increasing food availability and reducing costs associated with cold storage and transportation, while providing a sustainable solution through the use of biodegradable materials.

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Abstract

To provide systems and methods for improving the manufacturing of solutions and powders containing silk fibroin, which can be used to improve the post-harvest preservation of perishables and to improve the performance of packaging including biodegradable packaging.SOLUTION: A system comprises: a first processing substation comprising a vessel configured to extract silk fibroin proteins from silkworm cocoons and to produce a silk fibroin-based solution; a second processing substation in fluid communication with the first processing substation, the second processing substation configured to receive and purify the silk fibroin-based solution from the first processing substation; a third processing substation in fluid communication with the second processing substation, the third processing substation configured to receive and sterilize the purified silk fibroin-based solution; and a fourth processing substation in fluid communication with the third processing substation, the fourth processing substation configured to receive and powderize the silk fibroin-based solution.SELECTED DRAWING: Figure 8
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