Water Soluble Astaxanthin

Shaanxi Inhealth Nature Industry Co., Ltd. is one of the most experienced manufacturers and suppliers of water soluble astaxanthin in China, featured by quality products and good price. Welcome to wholesale bulk high-grade water soluble astaxanthin from our factory. Contact us for free sample.

Water Soluble Astaxanthin is a dry, free-flowing dietary supplement ingredient derived from microalgae Haematococcus Pluvialis. Common market concentrations include 1%, 2%, and 3% active astaxanthin content by weight, with the 2% CWS (cold water soluble) variant being particularly popular for functional food and beverage applications. Astaxanthin in its pure form is an oil-soluble compound, which makes it difficult to use in water-based products. The powder form solves this problem through microencapsulation, a process in which astaxanthin is enclosed in a protective coating, commonly made from ingredients such as maltodextrin, acacia gum, whey protein, or cyclodextrin, resulting in a stable, free-flowing powder. This method offers several advantages:

a. Enhanced Stability: It protects the delicate astaxanthin from breaking down when exposed to light, heat, or oxygen, extending its shelf life.

b. Better Mixing: It makes the astaxanthin water-dispersible, meaning it can be easily mixed into cold or hot beverages, drink powders, and other food products.

c. Ease of Use: It provides a convenient alternative to taking capsules.

To guarantee the quality and consistency of every batch, we employ High-Performance Liquid Chromatography (HPLC) as our primary analytical method. This testing method precisely quantifies the active astaxanthin content, screens for potential impurities, and verifies product stability throughout its shelf life. Through HPLC testing at every critical stage, we guarantee batch-to-batch potency, purity, and full compliance with international quality standards.

CWS astaxanthin powder is widely incorporated into:

1) Nutraceuticals: Powdered drink mixes, effervescent tablets, and stick packs for daily wellness support.

2) Functional Foods: Yogurts, energy bars, juices, and dairy products for added nutritional value.

3) Cosmetics: Skincare formulations such as serums and masks for its skin-protective properties.

Inhealth Nature is a leading CWS astaxanthin powder manufacturer distinguished by its integrated operations, advanced technology, and rigorous quality control.

a. Controlled Raw Material Sourcing: Operates our own large-scale cultivation base for Haematococcus pluvialis algae, ensuring full traceability and a stable year-round supply under optimal natural conditions.

b. Advanced Extraction Technology: Employs specialized microencapsulation combined with spray drying to produce superior water-dispersible powder with consistent particle size, excellent dissolution performance, and enhanced stability.

c. International Certifications: Holds multiple globally recognized certifications including ISO, FSSC, cGMP, Kosher, Halal, and FSMA, demonstrating compliance with strict manufacturing and safety standards.

d. Rigorous Quality Control: Implements a comprehensive quality management system with HPLC testing at every critical production stage to guarantee batch-to-batch potency, purity, and stability.

e. Global Market Track Record: Our high-quality astaxanthin powder has been adopted by leading nutraceutical, functional food, and cosmetic manufacturers worldwide, reflecting proven reliability and technical expertise.

Our CWS Astaxanthin Powder is produced using microencapsulation technology. The main process flow is as follows:

1. Raw Material Preparation and Acceptance

Upon arrival, the astaxanthin oil undergoes HPLC testing to ensure a content of 5%-10%, a peroxide value below 5 meq/kg, and an acid value below 1.0 mg KOH/g. The wall material consists of a blend of food-grade maltodextrin and gum arabic (ratio of 2:1 to 3:1), with a core-to-wall weight ratio of 1:4 to 1:10; total wall material solids account for 65%-80% of the emulsion's total solids.

2. Preparation of Aqueous and Oil Phases

The blended wall materials are slowly added to purified water while stirring at 40-50°C until completely dissolved; the aqueous phase solids content is 25%-35%, and the temperature does not exceed 55°C. Separately, a lipophilic emulsifier (2%-5% of the oil's weight) is added to the astaxanthin oil and stirred at low speed until the mixture is uniform and transparent; the prepared oil phase must be used within two hours and stored under nitrogen blanketing, protected from light.

3. High-Shear Pre-emulsification

The oil phase is slowly added to the aqueous phase and sheared at high speed for several minutes to form a uniform, milky-white oil-in-water coarse emulsion; the material temperature is maintained at 40-50°C using cooling water. After shearing, a sample is inspected to ensure a uniform milky-white appearance, the absence of visible oil droplets, and the absence of phase separation upon brief standing; otherwise, additional shearing is performed.

4. High-Pressure Homogenization (Refining)

The coarse emulsion is fed into a high-pressure homogenizer and circulated under high pressure several times, with the discharge temperature controlled below 60°C. After homogenization, samples are tested to ensure an average particle size (D90) of less than 300 nm and a polydispersity index (PDI) of less than 0.3; if standards are not met, further homogenization is performed, and if it remains non-compliant, the batch is discarded. Once homogenization meets specifications, Vitamin E or rosemary extract (0.1%-0.5% of total emulsion solids) is added while stirring slowly.

5. Spray Drying and Granulation

Set appropriate parameters: inlet air temperature of 160-200°C, outlet air temperature of 80-100°C, and a specific feed flow rate. Maintain slight negative pressure within the tower. The nano-emulsion is atomized and instantly contacts hot air, dehydrating into powder, which is then collected via a cyclone separator. The powder must be cooled to below ambient temperature before proceeding to the next stage.

6. Sieving

The cooled powder is passed through an 80-120 mesh vibrating sieve. Material passing through the sieve constitutes the qualified product. Regarding material retained on the sieve: non-degraded portions are pulverized and re-sieved, while scorched or discolored portions are discarded as waste.

7. Finished Product Testing

Total astaxanthin assay is determined via HPLC. The powder is also tested for moisture level, water activity, ash content, water solubility, microbiological parameters, and heavy metals following internationally accepted standards. Lastly, organoleptic inspection is performed: the powder must have a consistent red to dark red color and be free of any distinct fishy or rancid odors. Products are considered acceptable only if all test results meet the limits set by international standards.

8. Packaging

Packaging takes place in a Class 100,000 clean zone using high-barrier aluminum foil composite bags with nitrogen flushing. Inner bags are placed into corrugated cardboard drums or cartons along with food-grade desiccant; outer containers are marked with a certificate of conformity and shipping labels.

9. Warehousing and Storage

Warehousing proceeds after quality inspection approval and the issuance of a product release note; batch numbers, quantities, and inspection reports are verified, and non-conforming products are strictly prohibited from entry. Finished products are stored in a warehouse maintained at low temperature and low humidity, protected from light.

At Inhealth Nature, we employ the following standardized procedure to evaluate the water dispersibility of our CWS astaxanthin powder and confirm that every batch meets our performance criteria for beverage and functional food applications. The detailed test procedures are as follows:

1. Precisely weigh 2.0 grams of the CWS astaxanthin 2% HPLC powder sample using an analytical balance and transfer it into a 200 mL glass beaker.

2. Add 150 mL of purified or deionized water at room temperature (20-25°C) to the beaker.

3. Stir gently using a glass rod or operate a magnetic stirrer at a low speed for 1 to 2 minutes to begin wetting and dispersing the powder.

4. Place the beaker in an ultrasonic bath operating at 40-50 kHz and sonicate for 2 to 3 minutes to promote complete dispersion and break down any micro-agglomerates.

5. Remove the beaker from the ultrasonic bath and allow the solution to stand undisturbed at room temperature (20-25°C) for 2 hours.

 Test Results

a. Appearance: The solution forms a homogeneous reddish-pink dispersion.

b. Sediment: No visible precipitate or settled particles were observed at the bottom of the beaker.

c. Oil Ring / Surface Film: No oily ring, film, or floating particles were detected on the water surface.

d. Color Uniformity: The dispersion remains uniformly colored without streaks, spots, or layered discoloration.

Water Soluble Astaxanthin is a natural antioxidant that helps reinforce the body's natural defenses and supports overall wellness.

1. Supports Cellular Health: Helps protect cells from oxidative stress and promotes general cellular well-being.

2. Supports Skin Health: Helps maintain skin moisture balance and supports the skin's natural barrier against environmental stressors.

3. Supports Eye Health: Helps maintain visual acuity and supports normal retinal function.

4. Supports Joint Comfort: Helps maintain joint mobility and connective tissue comfort during daily activities.

5. Supports Immune Health: Contributes to a balanced immune response and supports the body's natural resilience.

Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

We are famous for our high-grade, natural herbal extracts that promote better health and well-being. We have been awarded multiple and several international certifications. These certifications endorse our products and processes as being compliant with the strictest quality standards globally. The certifications we have been awarded include ISO, cGMP, Kosher, Halal, FDA, and FSMA. Our customers can now rest assured that they are purchasing products of the highest quality.

Our factory operates in a controlled environment, where scientific precision meets sustainable methods to yield high-purity bioactive compounds. Every phase of the process, beginning with raw material sourcing and extending through final product formulation, maintains the full integrity of botanical ingredients.

a. Precision Processing: Customized extraction methods (water, ethanol, solvent-based, or supercritical CO2) are tailored to each plant's chemistry, maximizing yield without compromising potency.

b. Quality Assurance: In-house labs conduct rigorous testing for contaminants, heavy metals, and active compound concentration, aligning with international standards like USP and EP.

c. Flexible Capabilities: The facility accommodates diverse client needs, from small-batch extracts to large-scale commercial production.

d. Sustainability Focus: Waste reduction systems, energy-efficient machinery, and solvent recovery processes show our commitment to eco-conscious manufacturing.

Water Soluble Astaxanthin, owing to its excellent dispersibility and significantly enhanced bioavailability, has opened up a wide range of applications across multiple industries.

1. Nutritional supplements: astaxanthin powder can be formulated into capsules, tablets, and soft gels for easy consumption. It can be used as a standalone supplement or combined with other nutrients for synergistic effects.

2. Functional foods and beverages: astaxanthin powder can be added to food and beverage products, such as energy bars, sports drinks, and smoothies, for enhanced nutritional value and functional benefits.

3. Cosmetic formulations: 2% CWS (cold-water-soluble) astaxanthin powder can be used in cosmetic formulations, such as creams, lotions, and serums, for its skin-rejuvenating and protective benefits.

Q1: Is CWS astaxanthin powder better absorbed than oil-based forms?

A: Yes, significantly. Studies show its bioavailability is substantially higher. One study reported 80% higher cellular uptake than oil-based alternatives, while another formulation increased bioaccessibility up to 11-fold.

Q2: Is there a connection between indoor algae cultivation and product quality?

A: Yes. Leading manufacturers cultivate Haematococcus pluvialis in closed, indoor facilities. This method protects the algae from variable weather and contamination, allows for optimal growth conditions, and enables timed harvesting to maximize astaxanthin yield, stability, and final product quality.

Q3: How quickly does the powder dissolve in cold water?

A: It is designed for rapid dissolution. Some cold-water-soluble (CWS) powders can fully dissolve in cold water in as little as 30 seconds, making them suitable for instant drink applications.

Q4: Is the powder truly "water-soluble" in the chemical sense?

A: Strictly speaking, it is water-dispersible rather than truly water-soluble. The astaxanthin molecule itself remains lipophilic, but encapsulation technology allows it to form a stable, uniform dispersion in water.

Q5: What is the ideal storage temperature for astaxanthin powder in general?

A: Studies on seasoning powder containing astaxanthin indicate that temperatures between 5 and 15°C are optimal for preserving astaxanthin content, stabilizing moisture, and inhibiting microbial growth during long-term storage.

Q6: What is the typical concentration for food-grade applications?

A: Commercially available food-grade cold-water-dispersible powders are often standardized at 2.5% astaxanthin concentration. These powders have a shelf life of 2 years, are vegetarian-friendly, allergen-free, non-GMO, Halal, Kosher, and FDA-notified GRAS.

Q7: Does the powder have issues with water absorption over time?

A: Encapsulation methods provide significant protection and thermal stability, but research has shown that neither spray-drying nor liposome entrapment significantly mitigates water absorption over time. This means hygroscopicity remains a handling consideration.

If you are deeply impressed with our CWS astaxanthin powder, please get in touch with us at april@inhealthnature.com.

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