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Ginseng oligopeptide (GOPs) is a small-molecule bioactive peptide extracted from Panax ginseng Meyer. It is generally composed of 2 to 10 amino acids with a molecular weight mostly below 1000 Da, featuring easy absorption and high bioavailability. Its core functional mechanisms cover four major aspects: antioxidation, anti-inflammation, cellular metabolism regulation and signaling pathway modulation.
It exerts physiological regulatory effects through multiple targets and pathways, with synergistic interactions among various mechanisms, which underpin its extensive application value in diverse fields.
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Ginseng Oligopeptide COA
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| Certificate of Analysis | ||
| Compound name | Ginseng Oligopeptide | |
| Grade | Pharmaceutical grade | |
| Quantity | 29g | |
| Packaging standard | PE bag+Al foil bag | |
| Manufacturer | Shaanxi BLOOM TECH Co., Ltd | |
| Lot No. | 202601090056 | |
| MFG | Jan 9th 2026 | |
| EXP | Jan 8th 2029 | |
| Structure | N\A | |
| Item | Enterprise standard | Analysis result |
| Appearance | White or almost white powder | Conformed |
| Water content | ≤5.0% | 0.89% |
| Loss on drying | ≤1.0% | 0.37% |
| Heavy Metals | Pb≤0.5ppm | N.D. |
| As≤0.5ppm | N.D. | |
| Hg≤0.5ppm | N.D. | |
| Cd≤0.5ppm | N.D. | |
| Purity (HPLC) | ≥99.0% | 99.80% |
| Single impurity | <0.8% | 0.19% |
| Total microbial count | ≤750cfu/g | 500 |
| E. Coli | ≤2MPN/g | N.D. |
| Salmonella | N.D. | N.D. |
| Ethanol (by GC) | ≤5000ppm | 600ppm |
| Storage | Store in a sealed, dark, and dry place below 2-8°C | |
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Core Functional Mechanisms
Antioxidant activity is one of the most fundamental core mechanisms of ginseng oligopeptide. Physical exercise, aging and external stimuli trigger massive production of reactive oxygen species (ROS) in the organism. Excessive ROS induces oxidative stress, damages cellular lipids, proteins and DNA, further leading to cellular senescence and declined physiological functions, which are major causes of post-exercise fatigue and muscle injury.
GOPs exert antioxidant effects via two pathways.Firstly, it directly eliminates redundant ROS in the body to alleviate cellular damage caused by oxidative stress, especially effectively scavenging free radicals generated in skeletal muscles during exercise and reducing oxidative destruction to muscle fibers.Secondly, it indirectly activates the body's endogenous antioxidant system, upregulates the activities of antioxidant enzymes including superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px), and inhibits the formation of lipid peroxidation products such as malondialdehyde (MDA). It enhances intrinsic antioxidant capacity and fundamentally relieves adverse impacts of oxidative stress.
Relevant studies have proven that GOPs can markedly boost bodily antioxidant capacity, with obvious antioxidant effects observed at concentrations ranging from 25 to 100 µg/mL.
Anti-inflammatory regulation serves as another pivotal mechanism for the physiological functions of GOPs. Inflammation is a normal physiological response of the human body to tissue damage, yet excessive inflammation aggravates tissue lesions. Particularly after high-intensity exercise, micro-damage occurs in skeletal muscles and triggers local inflammation, resulting in muscle soreness, swelling and hindered post-exercise recovery.
GOPs suppress the activation of the nuclear factor-κB (NF-κB) signaling pathway, reduce the release of pro-inflammatory factors including interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α), and meanwhile upregulate the expression of anti-inflammatory factors to mitigate excessive inflammatory responses. In addition, GOPs optimize intestinal physiological functions, restrain intestinal hyperinflammation and reduce systemic inflammatory reactions derived from intestinal inflammation, thereby indirectly building a favorable internal environment for post-exercise physical recovery. This efficacy has been verified via gut-on-a-chip model experiments.
Cellular metabolism regulation is the core mechanism supporting the application of GOPs in sports nutrition. During high-intensity exercise, the body witnesses sharp increase in energy consumption and rapid depletion of glycogen reserves, accompanied by massive accumulation of metabolic wastes such as lactic acid and serum urea nitrogen (SUN). Accumulation of these wastes causes exercise fatigue and deteriorates athletic performance.GOPs facilitate mitochondrial biogenesis and optimize mitochondrial function to elevate cellular energy metabolism efficiency, supplying sufficient energy for skeletal muscle movement.
Meanwhile, it promotes the synthesis and storage of hepatic glycogen and muscle glycogen, delays glycogen consumption during exercise and prolongs exercise endurance.Furthermore, it accelerates metabolic clearance of lactic acid and serum urea nitrogen, reduces waste accumulation, relieves exercise-induced fatigue and maintains optimal physical athletic state.Signaling pathway modulation lays the foundation for the multi-functional properties of GOPs. Research indicates that GOPs regulate the NAD+/SIRT1/PGC-1α signaling pathway to significantly improve mitochondrial function and biogenesis, delay cellular senescence and raise energy metabolism efficiency of skeletal muscles, ensuring solid support for post-exercise recovery.
Besides, it modulates the JNK1/DAF-16 signaling pathway to strengthen bodily resistance against oxidative and heat stress, extend cellular lifespan and indirectly enhance exercise tolerance.
Moreover, GOPs inhibit G1-phase cell cycle arrest, promote S-phase DNA synthesis, downregulate the expression of senescence-associated proteins (p16INK4A, p21Waf1/Cip1) and elevate telomerase (TE) activity. It protects DNA from damage and slows down cellular aging, providing cellular-level support for post-exercise muscle repair and physical rehabilitation.
Information source: You M, Xu M. Ginseng Oligopeptides Improve the Intestinal Physiology and Promote the Antioxidant Capacity of the Gut-on-a-Chip Model[J]. Nutrients, 2024, 16(3): 845; PubMed, 2023, 365(5): 36558448; Luo Q, Liu J, Wang H, et al. Structural Characterization of Ginseng Oligopeptides and Anti-Aging Potency Evaluation in Caenorhabditis elegans[J]. RSC Publishing, 2020.
Applications in Sports Nutrition and Rehabilitation
Alleviating exercise fatigue is the most direct application of GOPs in sports nutrition. Exercise fatigue is closely associated with oxidative stress, metabolic waste accumulation and energy exhaustion. GOPs synergistically relieve exercise fatigue through multiple approaches: eliminating ROS and activating endogenous antioxidant systems to reduce oxidative cellular damage and ease muscle fatigue; accelerating the clearance of lactic acid, serum urea nitrogen and other metabolic wastes to relieve post-exercise muscle soreness and physical debilitation.
Boosting glycogen synthesis and storage to rapidly replenish consumed energy and restore physical vitality.Clinical studies demonstrate that daily supplementation of 500mg GOPs for athletes increases the lactic acid clearance rate by 2.1 times after high-intensity training, obviously lowers serum urea nitrogen levels and shortens muscle fatigue recovery time, which effectively relieves post-training fatigue and guarantees subsequent training arrangements.
Promoting post-exercise muscle repair is the core application of GOPs in sports rehabilitation. High-intensity exercise and strength training lead to micro-tears in skeletal muscle fibers and induce inflammatory responses. Delayed repair hinders muscle growth and athletic performance improvement, and even causes sports injuries.
Information source: Bao L, Cai X X, Wang J B, et al. Anti-Fatigue Effects of Small Molecule Oligopeptides Isolated from Panax ginseng C. A. Meyer in Mice[J]. Nutrients, 2016, 8(12): 807; BioArt. Review: Application of Ginseng in Sports Training and Injury Recovery: Components, Mechanisms, Dosage Recommendations and Safety Analysis[J]. BioArt, 2026(3).
The synthesis of ginseng oligopeptide is mainly divided into natural extraction synthesis and chemical synthesis. Natural extraction synthesis is currently the mainstream method for industrial production and practical application, while chemical synthesis is mostly adopted for laboratory research and preparation of oligopeptides with specific structures. Both methods have respective advantages and are applicable to different scenarios. Strict control of technological parameters is required during synthesis to guarantee product purity and biological activity.
Natural Extraction Synthesis: Mainstream Method for Industrial Production
The natural extraction synthesis method takes ginseng as raw material and degrades macromolecular proteins in ginseng into small-molecule oligopeptides via biological enzymatic hydrolysis technology, consisting of three core procedures: raw material pretreatment, enzymatic hydrolysis reaction and separation and purification.
Core Procedures of Natural Extraction Synthesis
In raw material pretreatment, high-quality ginseng rhizomes are selected, cleaned, sliced, dried and crushed into ginseng powder. Protein components are extracted via water extraction or alcohol extraction, and impurities are removed to obtain crude ginseng protein extract.
Enzymatic hydrolysis is the key step: suitable proteases including neutral protease, alkaline protease and papain are used to degrade crude ginseng protein under optimal temperature (40-60℃) and pH value (6.0-8.0), breaking macromolecular proteins into oligopeptides composed of 2-10 amino acids.
The enzymatic hydrolysis duration is generally 2 to 4 hours with continuous stirring to ensure sufficient reaction. Enzyme activators can be added to improve hydrolysis efficiency and reduce by-products.
In the separation and purification stage, centrifugation, filtration, ultrafiltration and high-performance liquid chromatography (HPLC) are applied to remove macromolecular impurities, undegraded proteins and residual enzymes, so as to obtain high-purity the product. Final powder products are prepared by freeze-drying for convenient storage and application.
Advantages and Application Scope of Natural Extraction Synthesis
This method features natural origin, high biological activity and superior safety, conforming to the development trend of natural functional ingredients.
With mature techniques, it is suitable for large-scale industrial production, and most commercial GOPs products are manufactured via this approach.
Chemical Synthesis: Suitable for Laboratory-Specific Research
Chemical synthesis is mainly used for laboratory preparation of sequence-specific GOPs, among which the solution-phase method is widely applied. It adopts 3-(Diethoxyphosphoryloxy)-1,2,3-benzotriazin-4(3H)-one (DEPBT) as coupling agent to connect amino acids in designated sequences via stepwise condensation to synthesize target oligopeptides.
Specific Process of Chemical Synthesis
The specific process includes amino acid protection to avoid side reactions, peptide bond formation through condensation reaction with DEPBT, gradual peptide chain extension to reach target peptide length, deprotection, and final purification via ion exchange resin column or HPLC.
Mass spectrometry, nuclear magnetic resonance spectroscopy and amino acid analysis are adopted to verify product structure and purity.
Advantages and Limitations of Chemical Synthesis
This method enables precise synthesis of GOPs with specific sequences and structures, facilitating research on physiological activities of different oligopeptide structures.
Nevertheless, it has disadvantages such as high synthesis cost, complicated procedures and potential chemical reagent residues, thus it is limited to laboratory research and unsuitable for large-scale industrial production.
Information source: Bao L, Cai X X, Wang J B, et al. Anti-Fatigue Effects of Small Molecule Oligopeptides Isolated from Panax ginseng C. A. Meyer in Mice[J]. Nutrients, 2016, 8(12): 807.
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