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  6. High Purity Ousei Peptide Qi Supplementing and Yin Nourishing Immune Function Support Material

High Purity Ousei Peptide Qi Supplementing and Yin Nourishing Immune Function Support Material

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Polygonatum Peptide / High-purity peptide ingredient derived from Ousei (supports energy, nourishes yin, supports kidney function, enhances immune function, antioxidant, antibacterial effects)

last updated:Nov 30, 2025

YOUCHANG INDUSTRY DEVELOPMENT Shenzhen
YOUCHANG INDUSTRY DEVELOPMENT Shenzhen
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Highly absorbent low molecular weight peptides derived from Ousei. Ideal high-content ingredient for energy replenishment, nourishing yin, strengthening kidneys and lower back, supporting immune function, and for beauty, health foods, and functional beverages.

High-purity Ousei Peptide (Polygonatum Peptide) is a low-molecular peptide material obtained by enzymatically decomposing the main protein of Ousei (Polygonatum sibiricum), which is used in traditional Chinese medicine. This product maximizes the properties of Ousei, which has effects of tonifying Qi and nourishing Yin, strengthening the spleen, moisturizing the lungs, and benefiting the kidneys, and has been developed as a nutritional functional material with excellent absorption and bioavailability. Traditionally, Ousei has been used as a plant-based material for improving conditions such as Yin deficiency, lung dryness, dry cough, little phlegm, chronic cough due to kidney Yin deficiency, soreness of the lower back and knees, dizziness, and premature graying of hair. This peptide contains polysaccharides, low-molecular sugars, amino acids, and mucin-like components from Ousei, supporting a wide range of health functions including promoting DNA, RNA, and protein synthesis in the body, activating lymphocytes, enhancing immune function, regulating blood pressure, and exhibiting antibacterial effects. This product, which has been reduced to low molecular weight through enzymatic decomposition, is smoothly absorbed in the body and is suitable for incorporation into drinks, jellies, powdered beverages, and dietary supplements. It combines plant-derived, high purity, and high functionality, making it an ideal ingredient for the modern health-conscious and functional food market.

    Food/beverage functional materialsCosmetic materials and raw materials
Polygonatum

High Purity Ousei Peptide Qi Supplementing and Yin Nourishing Immune Function Support Material

Polygonatum Peptide.jpg
Polygonatum Peptide.jpg
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basic information

Ingredient Name: Ousei (Polygonatum sibiricum) Derived Peptide Form: Light yellow powder Solubility: Good water solubility, forms a highly transparent solution Molecular Weight Characteristics: Primarily low molecular weight peptides (improves bioavailability) Manufacturing Method: Enzymatic hydrolysis of Ousei protein, followed by purification and drying Flavor Characteristics: Plant-derived with minimal odor, suitable for incorporation into drinks, jellies, and powdered products Stability: Good thermal stability, excellent quality retention under general processing conditions Functional Properties: Tonifies Qi and nourishes Yin, strengthens the spleen, moistens the lungs, benefits the kidneys, has antioxidant effects, supports immune function, exhibits antibacterial properties, regulates blood pressure, and has anti-aging effects Examples of Use: Functional drinks, beauty and health supplements, protein products, comprehensive nutritional powders, sports nutrition supplements Packaging: Food ingredient specifications (quantity and packaging form negotiable) Storage Conditions: Store away from direct sunlight and high temperature and humidity

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Applications/Examples of results

High-purity Ousei peptides are widely used in the modern health food and supplement market while leveraging the health benefits of traditional Chinese medicine. ● Kidney support, strengthening the lower back, fatigue recovery Peptides derived from Ousei support kidney function and contribute to the improvement of symptoms such as lower back and knee weakness, dizziness, and premature graying caused by kidney deficiency. They are ideal for fatigue recovery products after daily activities or sports. ● Immune function enhancement Containing natural polysaccharides and low molecular weight peptides, they promote the regeneration of immune cells and strengthen the body's defense capabilities. They can be incorporated into immune support supplements and health drinks. ● Beauty and anti-aging Rich in antioxidants, amino acids, and vitamins, they support cell regeneration and improve tissue function. They are utilized in beauty drinks, gels, and anti-aging supplements. ● Blood pressure and circulation improvement The active ingredients in Ousei assist in vasodilation and improve blood flow, contributing to reduced blood viscosity and blood pressure regulation. They can also be applied to products aimed at preventing lifestyle-related diseases. ● Antibacterial and anti-inflammatory effects In vitro tests have confirmed antibacterial effects against Salmonella, Staphylococcus aureus, and mycobacteria, and their use in health maintenance and hygiene support products is anticipated.

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YOUCHANG

YOUCHANG INDUSTRY DEVELOPMENT Shenzhen

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YOUCHANG INDUSTRIAL DEVELOPMENT CO., LTD is a specialized manufacturer of natural ingredients, focusing on herbal extracts and plant-derived extracts, and is a global company with strengths in international exports. We develop products that integrate traditional knowledge of Chinese medicine with biotechnology, catering to diverse industries such as pharmaceuticals, cosmetics, health foods, functional beverages, personal care, animal nutrition, and aromatherapy. Our main products include herbal extracts, fruit and vegetable powders, tea extracts, peptides, active pharmaceutical ingredients (APIs), natural flavors, essential oils, reed diffusers, and aroma candles. We utilize advanced extraction technologies such as supercritical CO₂ extraction, low-temperature vacuum concentration, membrane separation, and spray drying to achieve high purity and stability of components. We have obtained various international certifications including ISO, GMP, HACCP, HALAL, KOSHER, and organic certification, establishing a quality control and traceability system. We can accommodate both small batches and large-scale production. Through stable quality, competitive pricing, professional support, and sustainable sourcing of raw materials, we build trust with business partners around the world.

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