Ulva Algal Extract via Mechanical Disruption for Therapeutic Polysaccharides
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Solution Overview
Problem
Current uses of Ulva algae are limited to compost, methane production, human food, paper, and animal nutrition, with little exploration of their therapeutic and prophylactic potential due to lack of effective methods for harnessing their chemical and physico-chemical properties.
Innovation Solution
An algal extract comprising sulphated and non-sulphated polyanionic polysaccharides from Ulva algae, specifically with defined compositions of mannose, arabinose, galactose, glucose, rhamnose, xylose, and glucuronic acid, is produced through a method involving washing, crushing, separation, ultrafiltration, and drying without the use of solvents, enabling its therapeutic and prophylactic applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional extraction methods using solvents are employed, then extraction efficiency is improved, but environmental pollution and safety risks increase
Solution Approach 1:
The patent replaces chemical extraction methods with mechanical ultrasonic vibration and high-pressure homogenization to break down algal cell walls and release polysaccharides. This mechanical approach eliminates the need for organic solvents, achieving effective extraction while avoiding environmental pollution and safety risks associated with chemical methods.
Solution Approach 2:
The patent employs ultrasonic vibration at specific frequencies (20-100 kHz) and high pressure (50-200 MPa) to alter the physical state and structure of algal cells. These parameter changes enable efficient cell disruption and polysaccharide release without requiring chemical solvents, thus maintaining high extraction efficiency while preventing environmental harm.
2Adaptability or versatility
If algal biomass is utilized for traditional purposes (compost, methane, food), then basic needs are met, but therapeutic and prophylactic potential remains untapped
Solution Approach 1:
The patent extracts specific bioactive polysaccharides (mannan, arabinan, galactan) from algal biomass through mechanical disruption and filtration. This extraction isolates the therapeutic components from the bulk material, enabling targeted pharmaceutical applications while maintaining the reliability and efficacy of the active ingredients.
Solution Approach 2:
The patent produces composite algal extracts containing multiple polysaccharide types (sulphated and non-sulphated) with complementary therapeutic properties. This composite approach enhances the overall therapeutic efficacy and reliability by combining the effects of different polysaccharides, expanding application scope to various neurological and inflammatory conditions.
3Quantity of substance
If mass production of algal biomass occurs, then resource availability increases, but value addition remains limited
Solution Approach 1:
The patent segments algal biomass into different molecular weight fractions through controlled mechanical disruption and filtration. This segmentation creates multiple product tiers (high molecular weight for industrial uses, low molecular weight for pharmaceuticals), enabling value addition across different market segments while utilizing the same raw material base.
Solution Approach 2:
The patent applies high pressure homogenization (50-200 MPa) and ultrasonic treatment (20-100 kHz) to transform bulk algal biomass into refined polysaccharide extracts. These parameter changes enable the production of high-value pharmaceutical-grade materials from mass-produced biomass, significantly enhancing value addition while maintaining ease of manufacture through scalable mechanical processes.
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
The algal extract demonstrates anti-stress, anxiolytic, antidepressant, and antalgic activities, improving memory and treating neurological disorders, depression, anxiety, and chronic pain, offering a novel and sustainable solution for human and veterinary health.
Implementation Method 1
the juice obtained in step d) is ultrafiltrated
Data Source
AI summary
The present invention relates to an algal extract comprising sulphated and non-sulphated polyanionic polysaccharides, to a method for preparing an algal extract as well as to its therapeutic and prophylactic applications.