Endophytic Pediococcus pentosaceus EL5 for Alfalfa Silage Fermentation
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Solution Overview
Problem
Conventional exogenous lactic acid bacteria additives have low activity during alfalfa fermentation due to poor adaptability to raw materials, restricting the quality of silage production and addressing the shortage of alfalfa forage in China's animal husbandry industry.
Innovation Solution
The use of endophytic Pediococcus pentosaceus EL5, isolated from the phyllosphere of alfalfa, as a silage additive, which improves lactic acid bacteria activity and fermentation quality by being acid-resistant, fast-growing, and highly tolerant of salt and pH variations, thereby enhancing the nutritional retention and palatability of alfalfa silage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional exogenous lactic acid bacteria additives are used, then silage fermentation can be initiated, but the activity of lactic acid bacteria is low due to poor adaptability to raw material
Solution Approach 1:
The patent utilizes endophytic bacteria that already reside within the alfalfa plant itself, allowing the raw material to provide its own beneficial microorganisms for fermentation. This self-service approach eliminates the need for external additives and ensures perfect adaptability since the bacteria are native to the host plant.
Solution Approach 2:
The endophytic bacteria act as an intermediary between the alfalfa raw material and the fermentation process. These bacteria are already adapted to the plant's chemical environment and serve as a bridge to initiate effective lactic acid fermentation without requiring external additives.
2Reliability
If exogenous lactic acid bacteria are added, then fermentation process can start, but the fermentation quality is restricted due to low bacterial activity
Solution Approach 1:
The alfalfa plant serves itself by providing endophytic bacteria that are naturally adapted to its environment. These self-provided bacteria ensure both high activity and high fermentation quality without relying on external additives that may not adapt well.
3Loss of substance
If alfalfa silage is produced to preserve nutritional content, then nutrient loss is reduced, but the supply-demand contradiction remains due to limited alfalfa availability
Solution Approach 1:
The endophytic bacteria enable continuous and effective fermentation that maximizes nutrient preservation. By ensuring reliable bacterial activity through using native strains, the fermentation process consistently preserves nutrients without loss, making the most of limited alfalfa supplies.
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
Pediococcus pentosaceus EL5 significantly improves the fermentation quality and storage life of alfalfa silage by rapidly generating lactic acid, inhibiting pathogens, and maintaining nutritional quality, outperforming epiphytic strains with its comprehensive acid production ability and adaptability.
Implementation Method 1
The key to silage lies in the degree of lactic acid fermentation dominated by lactic acid bacteria
Implementation Method 2
rapidly generating lactic acid, inhibiting pathogens, and maintaining nutritional quality
Data Source
AI summary
The present application relates to a Pediococcus pentosaceus and application thereof. The Pediococcus pentosaceus is Pediococcus pentosaceus EL5 with deposit number of CGMCC No. 23923. The Pediococcus pentosaceus EL5 of an embodiment of the present application can be used for silage to improve the activity of lactic acid bacteria and the quality of silage fermentation.