Xi'an Kintai Biotech Inc is one of the most experienced manufacturers and suppliers of bilberry extract powder in China. Please feel free to wholesale high quality bilberry extract powder for sale here from our factory. For price consultation, contact us.
Bilberry Extract Powder supplier/ manufacturer
KINTAIBIO®'s Bilberry Extract Powder is a standardized botanical extract derived from the ripe fruit of the European bilberry (Vaccinium myrtillus). It is produced using modern extraction technologies-including water or ethanol extraction, concentration, purification, and spray drying. The extract is rich in natural anthocyanins and anthocyanidins, containing various active components such as delphinidin, cyanidin, and malvidin.
| KINTAIBIO® Flow Chart Of Bilberry Extract Powder Specification | |||||
| Product Name | Plant Source | Active Ingredients | Specifications | Test Method | |
| Bilberry Extract Powder | Vaccinium myrtillus | anthocyanidins | 15% | HPLC | |
| 25% | HPLC | ||||
| anthocyanins | 30% | HPLC | |||
| 36% | |||||
We offer products in various specifications, including 25% anthocyanidins, 36% anthocyanins, and extract ratios such as 5:1 and 10:1. Active ingredients are standardized and verified using UV or HPLC methods. Our products feature excellent flowability, low sugar content, resistance to moisture absorption, and high stability, making them ideal for formulation development in sectors such as food and beverages, dietary supplements, functional foods, and cosmetics.
Modern research indicates that the anthocyanins in bilberry extract possess potent antioxidant properties, helping to scavenge free radicals and reduce oxidative stress. They also support capillary integrity, collagen stability, and healthy microcirculation. Consequently, standardized bilberry extract has long been widely used in products targeting eye health, cardiovascular health, healthy aging, and antioxidant nutrition. Additionally, growing research highlights its potential applications in areas such as inflammation regulation, blood glucose metabolism, lipid balance, skin health, and sports nutrition.
Contact Us Now To Get The Free Samples!
KINTAIBIO®'s standardized bilberry extract offers advantages such as higher active ingredient content, superior batch-to-batch consistency, precise dosing, enhanced storage stability, and suitability for industrial-scale production. These qualities enable more stable quality control and functional design in end products. Please feel free to contact us at sales@kintaibio.com.
COA Of Bilberry Extract Powder
How to make Bilberry Extract Powder ?
Send Inquiry Details And Get A Free Sample And Get The Latest Price >>
Raw Material Selection & Two-Stage Ethanol Extraction
Ripe European bilberry fruits are selected as the raw material and subjected to washing and sorting. Initially, a 95% acidified ethanol solution (containing a small amount of concentrated sulfuric acid) is added, and extraction is carried out under continuous stirring at room temperature. Upon completion of the first extraction, a saturated sodium citrate solution is added for neutralization; the mixture is stirred further and then centrifuged to collect the supernatant, while the solid residue is retained. This residue is returned to the extraction vessel with fresh ethanol solution for a second extraction under continuous stirring at room temperature. Finally, the mixture is centrifuged again to collect the extract, and the solid residue is discarded.
Concentration & Feed Solution Preparation
The ethanol extracts from both stages are thoroughly mixed, and ethanol is removed via vacuum concentration until the concentrate is alcohol-free. Purified water is then added with thorough stirring to prepare a homogeneous feed solution for column loading.
Concurrently, the adsorption system is pre-treated by washing the macroporous adsorption resin with a citric acid solution (pH 3.0–3.5) to establish a stable environment for the subsequent adsorption and purification of anthocyanins.
Macroporous Resin Adsorption
A non-polar macroporous adsorption resin serves as the purification medium. The prepared feed solution is loaded onto the column at a feed-to-resin weight ratio of 3:1. Throughout the adsorption process, the flow rate is maintained at 25–35 mL/min to ensure that anthocyanins and other target active components are effectively adsorbed onto the resin surface, while sugars, organic acids, and certain impurities are discharged with the effluent, thereby achieving effective enrichment.
Acid Washing & Purification
Following adsorption, the resin is washed with a citric acid solution (pH 3.0–3.5) to remove unbound or weakly bound impurities. The flow rate is maintained at 25–35 mL/min during this washing step; this ensures the stable retention of target components within the resin while further enhancing extract purity, thereby establishing a solid foundation for the subsequent desorption process.
Ethanol Desorption
Following the elution step, the adsorption resin undergoes desorption using an 80%–90% ethanol solution, with the flow rate maintained between 25 and 35 mL/min. Collection begins once the red desorbed solution starts to flow out; this fraction constitutes the extract rich in active ingredients, such as anthocyanins. The entire desorption process effectively enriches the target components, thereby increasing the content of active ingredients and ensuring batch-to-batch consistency.
Concentration, Drying & Packaging
The collected desorbed solution is concentrated until the ethanol is completely removed, followed by a drying process. The dried product undergoes pulverization, sieving, and quality testing before being packaged, ultimately yielding Bilberry Extract Powder that meets specific product requirements.
what is Bilberry Extract Powder good for?
bilberry extract for eye health
Bilberry extract is a widely used natural botanical ingredient in eye health formulations due to its high content of standardized anthocyanins, and it plays a role in alleviating dry eye symptoms. Research indicates that anthocyanins possess potent antioxidant activity, helping to reduce oxidative stress caused by free radicals in ocular tissues and supporting the normal function of the retina and ocular surface tissues.
A study has shown that bilberry extract not only supports ocular surface health but also enhances the body's overall antioxidant defense capabilities. Animal studies have further revealed that standardized european bilberry extract exhibit higher anthocyanin bioavailability compared to high-purity single-anthocyanin preparations; this suggests that non-anthocyanin components naturally present in bilberries-such as polyphenols-may exert a synergistic effect, thereby facilitating the absorption and utilization of the active ingredients.
bilberry extract benefits for skin
Bilberry extract offers significant anti-aging, brightening, and antioxidant benefits. Extensive research indicates that oxidative stress is a key factor contributing to skin aging, collagen degradation, dullness, and loss of elasticity; bilberry extract supports skin health by scavenging free radicals, mitigating oxidative damage, and bolstering the skin's natural antioxidant defense systems.
A clinical study demonstrated that subjects supplementing with fermented bilberry extract showed superior overall skin quality and signs of rejuvenation compared to the placebo group. These findings indicate that standardized bilberry extract powder provides effective antioxidant protection, helping to stabilize collagen, improve skin tone uniformity, enhance elasticity, and reduce premature skin aging caused by oxidative stress.
bilberry extract for diabetes
Research indicates that anthocyanin-rich bilberry extract provides nutritional support for postprandial blood glucose management by modulating the processes of carbohydrate digestion and absorption. Clinical studies demonstrate that bilberry extract helps improve postprandial glycemic response without placing an additional burden on insulin secretion.
Further studies have found that bilberry extract significantly inhibits the activity of α-amylase and α-glucosidase and reduces glucose absorption-mechanisms that likely contribute to its ability to support stable postprandial blood glucose levels. Thanks to its standardized anthocyanin content, high antioxidant activity, and excellent formulation compatibility, bilberry extract powder is widely used in blood glucose management formulas, metabolic health supplements, functional foods, and nutritional beverages.
Reference:https://pubmed.ncbi.nlm.nih.gov/28617532/
https://pmc.ncbi.nlm.nih.gov/articles/PMC11280171/
https://www.sciencedirect.com/science/article/pii/S1756464619305213
what is Bilberry Extract Powder used for?
Food Industry
organic bilberry extract powder serves not only as a natural, bioactive plant ingredient but also-thanks to the natural coloring properties of its anthocyanins-as an additive in beverages, dairy products, confectionery, baked goods, and other functional food formulations. As natural pigments, anthocyanins offer a favorable safety profile and are approved for use in food production across many countries and regions.
Nutrition and Health
bilberry standardized extract is widely used in Bilberry extract supplements (including Bilberry Extract capsules and Bilberry Extract tablets), powdered drink mixes, softgels, and complex botanical formulations. It is frequently paired with ingredients such as lutein, zeaxanthin, grape seed extract, and Vitamin C to meet diverse product development needs, ranging from eye health and antioxidant support to healthy aging and microcirculation maintenance.
Beauty and Nutritional Products
Extensive research indicates that bilberry anthocyanins possess potent free-radical scavenging capabilities. They help alleviate oxidative stress, support capillary integrity, stabilize collagen, and promote healthy microcirculation; consequently, they are widely utilized in products targeting cardiovascular health, sports nutrition, and beauty-focused nutrition.
bilberry extract powder side effects,dosage,safety
bilberry extract safety
Regarding safety, the safety of bilberry fruit extract has been extensively validated by authoritative international bodies and numerous clinical studies. The U.S. National Center for Complementary and Integrative Health (NCCIH) explicitly states that bilberry fruit is considered safe when consumed in amounts typical of a normal diet; additionally, an assessment report by the European Medicines Agency (EMA) noted that no adverse events were recorded among more than 200 subjects at daily anthocyanin intake levels ranging from 57 to 320 mg/kg.
bilberry extract side effects
Existing research indicates that adverse reactions are infrequent and generally mild, with occasional reports of gastrointestinal symptoms such as stomach upset, nausea, or mild abdominal discomfort. However, because the polyphenolic compounds in pure bilberry extract may affect platelet aggregation, individuals taking warfarin, aspirin, or other anticoagulant or antiplatelet medications should use the extract under medical supervision.
Bilberry Extract Dosage
There is no unified international standard for bilberry extract dosage, as products vary in anthocyanin content and extraction methods. Commercial dietary supplements are typically formulated based on standardized anthocyanin levels; consumers are advised to follow product label instructions or the guidance of healthcare professionals rather than arbitrarily increasing the dosage.
where to buy Bilberry Extract Powder?
Driven by the steadily growing global demand for natural antioxidant plant ingredients and functional foods, the bilberry extract market continues to develop consistently. For customers seeking reliable bilberry extract suppliers -particularly from China-key considerations during the procurement process extend beyond price alone; factors such as the stability of anthocyanin content, quality management systems, regulatory compliance, and the ability to ensure a continuous supply are paramount.
As a professional Bilberry Extract manufacturer , KINTAIBIO® specializes in the R&D, production, and global supply of natural plant extracts. We offer bilberry extract powder in various specifications-including 25% anthocyanidins, 36% anthocyanins, and ratios such as 5:1 and 10:1-and provide OEM/ODM services. We maintain a robust quality management system, ensuring that every batch comes with a COA, MSDS, HPLC test report, and other necessary technical documentation for export; we also support requirements for Halal, Kosher, and ISO certifications. If you are looking to purchase bilberry extract, please contact sales@kintaibio.com for product information.
Hot Tags: bilberry extract powder, China bilberry extract powder manufacturers, suppliers, factory, Rauwolfia Serpentina Extract, , Mucuna Pruriens Seeds Extract
