Sprout Growth in Agar Media Closed Containers
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Solution Overview
Problem
Existing methods for growing sprouts and microgreens are contaminated with pathogenic and spoilage organisms, leading to compromised healthfulness and quality, as they require irrigation which introduces contaminants and washes away beneficial microorganisms, and they are typically grown in open systems that allow microbial contamination during growth.
Innovation Solution
The method involves growing sprouts in a sanitary, closed retail-ready container with a water-retaining medium like agar, which provides sufficient water for growth without irrigation, and includes the addition of beneficial microorganisms to compete with harmful organisms, ensuring a sterile environment and extended shelf life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If irrigation is used to grow sprouts, then water is provided for growth, but contamination by pathogenic and spoilage organisms occurs and beneficial microorganisms are washed away
Solution Approach 1:
A water-retaining medium serves as an intermediary between irrigation water and sprouts. The medium absorbs and holds water, providing it to sprouts through capillary action without direct water contact. This eliminates the need for continuous irrigation while preventing contamination and preserving beneficial microorganisms on sprout surfaces.
Solution Approach 2:
Water is pre-absorbed by the water-retaining medium before sprouts are placed or during initial growth stages. The medium is saturated with water in advance, creating a moist environment that supports sprout growth without requiring subsequent irrigation that would introduce contaminants.
2Productivity
If sprouts are grown in open systems, then growth occurs, but microbial contamination is introduced during growth
Solution Approach 1:
The container acts as a flexible barrier that confines the growth environment. It allows gas exchange for photosynthesis and respiration while preventing entry of pathogenic microorganisms from the external environment, thus enabling growth without contamination.
Solution Approach 2:
The container creates a controlled, protected environment that excludes harmful microorganisms. By maintaining a physical barrier between the sprouts and the external environment, the system provides an effectively sterile growth chamber that supports productivity without contamination risk.
3Ease of operation
If irrigation holes are provided in containers, then water can be supplied, but sanitary condition is compromised and contamination occurs
Solution Approach 1:
The water-retaining medium eliminates the need for irrigation holes by serving as an internal water reservoir. Water is supplied to the medium beforehand, and the medium distributes it to sprouts through capillary action, removing the contamination pathway that holes would provide while maintaining ease of water supply.
Solution Approach 2:
The water-retaining medium autonomously supplies water to sprouts through capillary action without requiring external irrigation infrastructure. The medium self-regulates water distribution, eliminating the need for holes or active irrigation systems while maintaining sanitary conditions.
4Reliability
If beneficial microorganisms are added to sprouts, then healthfulness is improved, but irrigation washes away these microorganisms
Solution Approach 1:
The water-retaining medium acts as an intermediary that prevents direct water contact with sprouts and their associated microorganisms. By delivering water through the medium rather than direct irrigation, beneficial microorganisms adhering to sprouts are not washed away, preserving healthfulness.
Solution Approach 2:
Beneficial microorganisms are introduced to sprouts before the growth period in the container. Since no irrigation occurs during growth, the microorganisms establish themselves and remain on the sprouts throughout the growth cycle, maintaining healthfulness without loss.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach significantly reduces the risk of contamination, allows for automated and long-distance shipping of sprouts, and enhances nutritional value by maintaining the healthfulness and quality of sprouts, while extending shelf life by preventing post-process contamination and promoting beneficial microbial growth.
Implementation Method 1
placing a sanitized, non-toxic, preferably edible, water-absorbent medium, which contains enough water for sprouts to grow to their full intended size, into containers
Implementation Method 2
the media can be supplemented with beneficial additives such as probiotic microbes, vitamins, cofactors, nutrients, and other items which promote the growth of the beneficial microbes on the product or which become incorporated into the product
Data Source
AI summary
Provided are methods for growing and shipping sprouts and microgreens in the same container, growing while in shipment using moisture provided in a water-absorbent layer, with optional added beneficials, and including methods for producing sprouts and microgreens for consumption, and for pharmaceutical/nutriceutical use, comprising growth of sprouts in retail-ready containers, the container comprising a moisture-retaining layer of agar media or the like providing water for growth and obviating the need for irrigation during sprout growth. In certain aspects, media is supplemented with beneficial organisms or additives such as probiotic microbes, vitamins (e.g., B12), cofactors, nutrients, and other items (e.g., phytochemicals, natural colors, and antioxidants) which promote the growth of the beneficial microbes on the product, and/or which become incorporated into the product. In certain aspects, added beneficial microorganisms are selected to compete/antagonize human pathogens such as Listeria, Salmonella, enterohaemorrhagic E. coli, Yersinia, and/or spoilage organisms (e.g., Erwinia, Pseudomonas and Xanthomonas).