Rosa Meristematic Cell Line Polysaccharide Standardization
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Solution Overview
Problem
The variability in plant extracts from natural sources leads to inconsistent effectiveness due to seasonal changes, geographical differences, and contamination, making it challenging to produce standardized and contaminant-free polysaccharide-rich preparations for cosmetic and pharmaceutical use.
Innovation Solution
A selected meristematic cell line from the Rosa genus, preferably Rosa canina or Rosa chinensis, is derived and used to produce a standardized phytocomplex with high medium molecular weight polysaccharide content, which is then formulated into cosmetic and pharmaceutical compositions to enhance skin hydration, reduce aging, and promote wound healing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If plant extracts are obtained directly from natural plant sources, then the preparations contain polysaccharides with biological activity, but the content of metabolites varies due to seasonal changes, geographical differences, and plant tissue variability, leading to inconsistent effectiveness
Solution Approach 1:
The patent creates a standardized plant cell culture system that copies the essential metabolic pathways of natural Rosa plants while producing consistent polysaccharide content. The cell line is established from natural Rosa canina or Rosa chinensis plants but maintains standardized metabolite production across different growth conditions, effectively decoupling polysaccharide production from environmental variability.
Solution Approach 2:
The patent optimizes culture conditions (temperature, pH, nutrient composition, oxygen levels) to maximize polysaccharide production while maintaining metabolic consistency. By controlling these parameters, the system achieves high polysaccharide yields with reproducible metabolite profiles regardless of seasonal or geographical variations that would affect natural plants.
2Reliability
If plant extracts are obtained from natural sources, then the preparations contain active substances, but contamination by plant parasites and variability in metabolite content occur, negatively impacting effectiveness
Solution Approach 1:
The patent extracts the valuable polysaccharide-producing capability from the natural plant system and transfers it to a controlled in vitro cell culture environment. This separation removes the cell line from environmental contaminants, parasites, and variable growing conditions while preserving the ability to produce high levels of active polysaccharides with consistent metabolite content.
Solution Approach 2:
The patent employs sterile, controlled culture environments that protect the cell line from contamination by plant parasites and environmental pollutants. The in vitro system provides an inert, standardized atmosphere where metabolic consistency can be maintained and contamination risks are eliminated through controlled sterilization and culture practices.
3Manufacturing precision
If standardized plant derivatives are prepared from natural plants, then the content of metabolites can be reproduced, but loss of biological activity occurs during harvest, storage, and extraction
Solution Approach 1:
The patent performs preliminary induction of polysaccharide accumulation in the cell line before harvest by optimizing culture conditions and growth phase timing. This preliminary action ensures maximum polysaccharide content is achieved in the cells prior to extraction, minimizing loss during subsequent processing and maintaining high biological activity in the final product.
Solution Approach 2:
The patent uses a standardized cell line that copies the beneficial metabolic characteristics of natural Rosa plants while eliminating the degradation issues associated with harvesting and storing natural plant materials. The in vitro system allows continuous production of biologically active polysaccharides without the losses inherent in traditional harvest-storage-extraction workflows.
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 derived cell line and its derivatives demonstrate antioxidant and anti-inflammatory activities, increasing aquaporin-3 expression, thereby improving skin hydration and wound healing processes, while providing a consistent and reproducible solution to the variability issues in natural plant extracts.
Implementation Method 1
The Applicant has demonstrated that the cell line or a derivative thereof has an antioxidant activity and is capable of increasing the biosynthesis of aquaporins, in particular aquaporin 3, both for topical applications on skin models and for systemic applications. Aquaporins are substances involved in maintaining skin hydration
Implementation Method 2
Medium molecular weight polysaccharides, such as dextran, exert hydrating and anti-inflammatory activities and retain water with an osmotic mechanism, thus contributing to improving the mechanical properties of the skin and tissues
Data Source
AI summary
The present invention relates to a meristematic cell line selected from tissue, preferably callus tissue, of a plant belonging to the genus Rosa. The invention also relates to a derivative of the cell line, i.e. a phytocomplex or an extract of the cell line. The meristematic cell line is characterized by a high polysaccharide content. Furthermore, the present invention relates to the cosmetic, nutraceutical and medical use of the selected meristematic cell line or of a derivative thereof.