Mushroom Culture Medium Additive for Yield and pH Balance
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Solution Overview
Problem
Existing mushroom cultivation promoters, such as those containing calcium dihydrogen phosphate, increase individual mushroom weight but decrease overall yield.
Innovation Solution
Combining an antacid and a nutrient, specifically aluminum and calcium compounds with phosphoric acid compounds, to create an additive for the mushroom culture medium.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If calcium dihydrogen phosphate is used as a mushroom cultivation promoter, then the individual weight of mushroom fruiting bodies increases, but the overall yield decreases
Solution Approach 1:
The patent combines calcium dihydrogen phosphate (nutrient source) with aluminum hydroxide (antacid) in a composite additive. This merging of two different functional materials allows the system to simultaneously provide nutrition for mushroom growth and maintain optimal pH levels, thereby achieving both increased individual weight and improved overall yield that neither component could achieve alone.
Solution Approach 2:
The invention creates a composite material consisting of calcium dihydrogen phosphate and aluminum hydroxide in specific proportions (0.1-10 wt% aluminum hydroxide and 90-99.9 wt% calcium dihydrogen phosphate). This composite material integrates the nutrient-providing function of calcium dihydrogen phosphate with the pH-regulating function of aluminum hydroxide, resolving the contradiction between individual fruiting body weight and overall yield.
2Reliability
If calcium dihydrogen phosphate is added to the culture medium, then mushroom fruiting body development is promoted, but the harvesting period is extended
Solution Approach 1:
By merging calcium dihydrogen phosphate with aluminum hydroxide in a single additive system, the patent achieves simultaneous promotion of fruiting body development and acceleration of the cultivation cycle. The aluminum hydroxide component maintains pH stability that prevents developmental issues while the calcium dihydrogen phosphate provides nutrition for rapid growth, thereby reducing the overall harvesting period.
3Productivity
If a nutrient source is added to increase mushroom growth, then the culture medium pH changes, but this pH change can negatively affect growth
Solution Approach 1:
Aluminum hydroxide acts as an intermediary substance that buffers the pH changes caused by nutrient addition. It neutralizes excess acidity in the culture medium while maintaining pH within the optimal range for mushroom growth, thereby allowing high productivity without the harmful effects of pH instability.
Solution Approach 2:
The invention deliberately introduces aluminum hydroxide to change the pH parameter of the culture medium to an optimal range. By controlling pH through this additive, the system transforms the harmful parameter change (pH instability) into a beneficial one (stable, optimal pH), enabling sustained high productivity.
Data Source
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AI summary
An additive for a mushroom culture medium is provided. An additive for a mushroom culture medium, comprising: an antacid; and a nutrient.