ReserveNature® Resveratrol Extract
A premium resveratrol ingredient primarily supplied as trans-resveratrol from Japanese knotweed, specified to contain ≥99.0% trans-resveratrol for high compositional clarity.
Introduction
ReserveNature® is a premium resveratrol ingredient used in dietary supplement formulations. It is based on trans-resveratrol, a natural polyphenolic compound classified as a stilbenoid.
Resveratrol is produced by various plants in response to stress and is found naturally in the skin of grapes, berries including blueberries and raspberries, peanuts, and especially in Polygonum cuspidatum, commonly known as Japanese knotweed.
ReserveNature® is recognised within the supplements industry as a high-purity source of resveratrol that is specified to contain ≥99.0% trans-resveratrol, with negligible levels of related impurities such as emodin.
Technical Specification
| Specification | Detail |
|---|---|
| Ingredient Name | ReserveNature® Resveratrol Extract |
| Compound | Resveratrol, 3,5,4′-trihydroxy-trans-stilbene |
| Botanical Source | Polygonum cuspidatum, Japanese knotweed |
| Extract Type | Standardised polyphenolic extract |
| Primary Isomer | Trans-resveratrol |
| Specified Purity | ≥99.0% trans-resveratrol |
| Analytical Method | HPLC or equivalent chromatographic methods |
| Typical Use | Polyphenol, metabolic, cardiovascular and healthy ageing-focused formulations |
Botanical Identity & Standardisation
Resveratrol is a natural stilbenoid polyphenol widely studied for its biochemical properties. It exists in cis and trans isomeric forms, with the trans form being the predominant and more stable form used in dietary supplements.
ReserveNature® is specified to contain ≥99.0% trans-resveratrol, supporting a clearly defined ingredient profile and consistent formulation approach.
Key Ingredient Features
- High-purity trans-resveratrol ingredient
- Extracted from Polygonum cuspidatum
- Specified to contain ≥99.0% trans-resveratrol
- Characterised by chromatographic identity and quantitation
- Low related impurity profile
Trans-Resveratrol
Trans-resveratrol is the biologically relevant and more stable isomer commonly used in dietary supplements and research contexts.
Why Purity Matters
For single-ingredient resveratrol products, purity and isomer identity are central to ingredient quality and formulation transparency.
- Defined trans-resveratrol content
- Clear isomer profile
- Minimal related stilbene impurities
- Improved compositional clarity compared with lower-purity extracts
Composition & Analytical Quality
ReserveNature® is specified to contain ≥99.0% trans-resveratrol. The extract is characterised using chromatographic methods such as HPLC to confirm identity and quantify resveratrol content.
| Analytical Quality Marker | Specification / Description |
|---|---|
| Trans-Resveratrol Content | ≥99.0% |
| Primary Isomer | Trans-resveratrol |
| Contaminant Profile | Minimal related stilbenes, including emodin, and other impurities |
| Reference Standard | Chromatographic identity and quantitation against pure resveratrol reference standards |
| Analytical Method | HPLC or equivalent chromatographic methods |
These analytical parameters support consistency and compositional clarity.
Ingredient Verification: Identity & Purity
Chemical Identity
Resveratrol is identified by chromatographic retention time and UV spectral characteristics that match authentic trans-resveratrol reference standards.
Chromatographic Quantitation
HPLC or equivalent analytical methods confirm the percentage of trans-resveratrol, meeting or exceeding the ≥99.0% specification.
Purity Profile
Analytical profiles demonstrate minimal levels of related stilbenes, isomers and non-target compounds. Absence of unexpected contaminants is confirmed.
Resveratrol: Biochemical Context
Resveratrol is a small polyphenolic molecule that functions in plants as a phytoalexin — a compound produced in response to environmental stressors.
As a botanical polyphenol, it has been extensively studied in laboratory, animal and human research contexts.
Human Research Context
A large body of research has examined resveratrol in various human clinical settings, although studies vary widely in design, dose and outcomes.
Research has investigated resveratrol in relation to glucose metabolism, insulin sensitivity, vascular and circulatory parameters, cognition, mood and oxidative stress response.
The overall evidence base remains heterogeneous, with variation in population, dosage and outcome measures.
Safety & Tolerability
Human clinical studies have generally reported resveratrol to be well tolerated at commonly used intake levels.
- Generally well tolerated at commonly used intake levels
- Mild, transient gastrointestinal effects have been reported at higher intakes in some studies
- Suitability depends on individual context and intended use
Evidence-Led Use Context
Based on the current state of research, resveratrol has been investigated in relation to metabolic markers, cardiovascular parameters, oxidative stress pathways and cognitive or mood-related outcomes.
Typical Intake & Formulations
Resveratrol is commonly formulated in daily amounts ranging from 50mg to 500mg, depending on product design and regulatory considerations.
Formulation Context
ReserveNature® is suited to high-purity single-ingredient resveratrol formulations focused on trans-resveratrol content, polyphenol delivery and compositional clarity.
Summary
ReserveNature® is a premium resveratrol ingredient specified to contain ≥99.0% trans-resveratrol, extracted from Polygonum cuspidatum, commonly known as Japanese knotweed.
Analytical characterisation confirms identity and high purity, providing a clearly defined and consistent composition.
For those seeking a high-purity resveratrol ingredient with strong compositional clarity, ReserveNature® represents a specification-focused option for single-ingredient supplement formulations.
Resveratrol Powder
A single-ingredient resveratrol powder formulation using ReserveNature®, specified to contain ≥99.0% trans-resveratrol.
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