Lactarius hatsudake Polysaccharide Extraction via Resin Adsorption
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Solution Overview
Problem
Current methods for extracting active compounds from Lactarius hatsudake Tanaka are inefficient, failing to effectively isolate and purify polysaccharides, which hinders the deep development and utilization of this edible and medicinal fungus.
Innovation Solution
A method involving sequential processes of freeze-drying, pulverization, degreasing, water extraction, deproteinization, alcohol precipitation, resin adsorption, and liquid chromatography is employed to obtain refined polysaccharide mixtures and specific polysaccharide compounds (LHP-1, LHP-2, LHP-3, LHP-4, LHP-5) from Lactarius hatsudake Tanaka fruiting bodies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional extraction methods are used, then the extraction process is simple, but the extraction efficiency and purity of polysaccharides are low
Solution Approach 1:
The extraction process is divided into multiple sequential steps: freeze-drying, pulverization, degreasing, water extraction, deproteinization, alcohol precipitation, resin adsorption, and liquid chromatography. Each step targets specific impurities or aspects of polysaccharide purification, transforming a single inefficient extraction into a multi-stage purification workflow that systematically improves both efficiency and purity.
Solution Approach 2:
Before the main extraction, preliminary treatments are performed including freeze-drying to remove moisture, pulverization to increase surface area, and degreasing to remove lipids. These preliminary actions prepare the material for more effective polysaccharide extraction and purification in subsequent steps.
2Manufacturing precision
If multiple purification steps are added, then the purity of polysaccharides is improved, but the extraction time and process complexity increase
Solution Approach 1:
The method employs systematic parameter changes throughout the process: temperature variations during freeze-drying and water extraction, progressive alcohol concentration increases during precipitation (30%, 50%, 70%, 90%), and different resin types for adsorption. These parameter optimizations enable effective purification while minimizing unnecessary time consumption in each step.
Solution Approach 2:
Macroporous resin is introduced as an intermediary substance to facilitate the separation of polysaccharides from impurities. The resin acts as a mediator that selectively adsorbs polysaccharides from the aqueous extract, enabling efficient purification without requiring excessively complex or time-consuming procedures.
3Quantity of substance
If traditional extraction methods are used, then the process is fast, but the yield and purity of active polysaccharide compounds are insufficient
Solution Approach 1:
The method systematically extracts different components at different stages: lipids are extracted during degreasing, proteins are removed during deproteinization, and polysaccharides are isolated during alcohol precipitation and resin adsorption. This staged extraction approach maximizes the yield of pure polysaccharide compounds by selectively removing various impurity types.
Solution Approach 2:
Macroporous resin with specific pore structures is used to selectively adsorb polysaccharides from the aqueous extract. The porous structure of the resin provides high surface area and selective binding sites that enhance polysaccharide recovery yield while maintaining purity, representing a key innovation in the extraction process.
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 method achieves a high yield and purity of Lactarius hatsudake Tanaka polysaccharides, with LHP-1, LHP-2, LHP-3, LHP-4, and LHP-5 being extracted for the first time, demonstrating a significant anti-tumor effect with yields of 0.13%, 1.41%, 0.24%, and 0.564%, respectively, and a polysaccharide mixture yield of 4.7% and purity of 85-91%.
Implementation Method 1
carrying out freeze-drying, pulverization, degreasing, water extraction, deproteinization, alcohol precipitation, and resin adsorption in sequence on Lactarius hatsudake Tanaka fruiting bodies
Implementation Method 2
to the Lactarius hatsudake Tanaka refined polysaccharide mixture, adding anhydrous ethanol dropwise to perform alcohol precipitation purification, and gradually collecting precipitates with ethanol volume concentration of 10%, 40%, 60%, and 80%
Implementation Method 3
carrying out freeze-drying, pulverization, degreasing, water extraction, deproteinization, alcohol precipitation, and resin adsorption in sequence on Lactarius hatsudake Tanaka fruiting bodies
Data Source
AI summary
The present disclosure provides a method for extracting a Lactarius hatsudake Tanaka polysaccharide compound, and relates to the field of active substance extraction. This method includes: carrying out freeze-drying, pulverization, degreasing, water extraction, deproteinization, alcohol precipitation, and resin adsorption in sequence on Lactarius hatsudake Tanaka fruiting bodies to obtain a Lactarius hatsudake Tanaka refined polysaccharide mixture; to the Lactarius hatsudake Tanaka refined polysaccharide mixture, adding anhydrous ethanol dropwise to perform alcohol precipitation purification, and gradually collecting precipitates, to obtain Lactarius hatsudake Tanaka polysaccharide-10/40/60/80 active ingredients; and performing preparation via liquid chromatography on the Lactarius hatsudake Tanaka polysaccharide-10/40/60/80 active ingredients respectively, followed by dialysis and post-treatment to obtain Lactarius hatsudake Tanaka polysaccharide LHP-1, Lactarius hatsudake Tanaka polysaccharide LHP-2, Lactarius hatsudake Tanaka polysaccharide LHP-3, Lactarius hatsudake Tanaka polysaccharide LHP-4, and Lactarius hatsudake Tanaka polysaccharide LHP-5.