Baicalein is a natural flavonoid compound extracted from the roots of Scutellaria baicalensis, commonly known as Chinese skullcap or Baikal skullcap. It is widely utilised in the pharmaceutical, nutraceutical, and cosmetic industries for its potential health benefits, including anti-inflammatory and antioxidant properties. For consumers and businesses in the United Kingdom seeking to evaluate this ingredient, several suppliers offer free samples. This article outlines the availability of Baicalein powder samples, the specifications typically associated with these products, and the procedures for obtaining them, based strictly on information provided by specific biotechnology and extract manufacturers.
Understanding Baicalein Powder Specifications
When requesting samples of Baicalein powder, it is essential to understand the product specifications to ensure it meets the required standards for intended use. The provided source data highlights specific quality metrics and physical characteristics associated with high-purity Baicalein.
Purity and Composition
The primary specification detailed across the source materials is the purity level. Suppliers such as Shaanxi Rebecca Bio-Tech Co., Ltd. and Shaanxi Fairir Biotech Co., Ltd. offer Baicalein powder with a specification of 98% (tested via HPLC) or ranges such as 70%-88%. The CAS number associated with this compound is consistently listed as 491-67-8.
Physical Properties
The powder is described as a "yellow crystalline powder" (Source 1, Source 3). Regarding solubility, one source explicitly notes that Baicalein powder is "insoluble in water" (Source 3). This characteristic is crucial for formulation purposes in supplements or cosmetics.
Quality Assurance and Certifications
Manufacturers emphasise adherence to international quality standards. Shaanxi Rebecca Bio-Tech Co., Ltd. states that their products are manufactured in a "100,000-grade cleanroom" and are additive-free and non-GMO. They hold certifications including GMP, ISO, HACCP, KOSHER, and HALAL (Source 1).
Shaanxi Fairir Biotech Co., Ltd. provides a detailed Certificate of Analysis (COA) in their source data. Their specifications include: * Appearance: Light Yellow Brown Powder * Assay: ≥85.0% (Result: 85.42%) * Loss on Drying: ≤5.0% (Result: 2.68%) * Ash: ≤0.8% (Result: 0.11%) * Particle Size: 95% pass through Sieve #80 mesh * Heavy Metals: Limits set for Arsenic (≤1ppm), Lead (≤1ppm), Mercury (≤0.1ppm), and Cadmium (≤1ppm). * Microbiological Tests: Total plate count ≤1000cfu/g; Mildew & Yeast ≤100cfu/g; Negative for E.Coli, Salmonella, and Staphylococcus (Source 2).
Additionally, the product is described as Organic, Gluten-free, Non-GMO, Paraben-free, and Vegan (Source 2).
Availability of Free Samples
Several suppliers explicitly state that free samples of Baicalein powder are available for evaluation purposes.
Shaanxi Rebecca Bio-Tech Co., Ltd.
This manufacturer confirms that "Free samples available" (Source 1). In their FAQ and contact sections, they reiterate that customers can "get free sample" by contacting them directly. They provide a specific phone number for inquiries: +86-029-85219166 (Source 1).
Shaanxi Fairir Biotech Co., Ltd.
This supplier also offers a "Free Sample" (Source 2). Their FAQ section addresses this directly: * Q: Do you provide samples? * A: Yes, we offer samples for quality evaluation. Please contact our sales team for details.
They provide an email address for contact: [email protected] (Source 2).
Packaging and Order Logistics
While samples are provided free of charge, commercial orders have specific packaging and minimum order quantity (MOQ) requirements that are useful for UK consumers to know when considering larger purchases.
Minimum Order Quantity (MOQ)
For commercial purchases, the MOQ is typically 1 kg. * Source 1: "Minimum Order Quantity: 1 kg" * Source 2: "Our standard MOQ is 1kg, but we can be flexible based on your needs."
Packaging Options
Standard packaging for bulk orders usually involves double-layered inner bags and paper drums. * Inner Package: Double PE Bags; Net 5kg/Bag (Source 1, Source 3). Customised packaging is also available (Source 1, Source 3). * Outside Package: Paper Drums, Net 25kg/Drum (Source 1, Source 3).
Delivery and Payment
- Delivery: Shaanxi Fairir Biotech Co., Ltd. lists a delivery time of "1-3 working days" (Source 2).
- Payment: Various payment methods are accepted, including T/T, L/C, and Western Union for international orders (Source 2).
Storage and Shelf Life
Proper storage is vital to maintain the integrity of Baicalein powder. The recommended storage conditions are to keep the product in a "cool, dry place away from Light and Heat" (Source 1). When stored correctly, the shelf life is generally 2 years from the date of manufacture (Source 1, Source 2, Source 3).
Product Applications and Benefits
The source data describes Baicalein as the primary active ingredient in Scutellaria root. It exhibits various properties, including anti-inflammatory, anti-allergic, diuretic, choleretic, cholesterol-lowering, anti-thrombotic, and asthma-relieving properties (Source 1). It is also noted as a specific inhibitor of mammalian salivary enzymes (Source 1).
While the primary sources focus on the raw ingredient, one external source (Source 4) describes a finished consumer product called "BaicalM," which combines Baicalein with Magnolia Bark Extract, L-Theanine, and Curcumin. This product is marketed as supporting calmness, stress reduction, and immune support. However, the free sample offers found in the main source data pertain to the raw powder material from the biotech suppliers rather than finished consumer supplements.
How to Request a Sample from UK Suppliers
Although the manufacturers listed are based in China, they supply globally, including to the UK. To request a sample, interested parties should follow these steps based on the contact information provided:
- Identify the Supplier: Choose between Shaanxi Rebecca Bio-Tech Co., Ltd. or Shaanxi Fairir Biotech Co., Ltd.
- Contact via Email or Phone:
- For Shaanxi Rebecca Bio-Tech: Call +86-029-85219166.
- For Shaanxi Fairir Biotech: Email [email protected].
- Request Details: When contacting, specify the request for a "free sample" of Baicalein powder for quality evaluation. It may be helpful to mention the intended use (e.g., research, formulation, or personal use) to ensure the correct specification is sent.
Conclusion
Baicalein powder is a high-purity flavonoid extract available from several established biotechnology manufacturers. Free samples are explicitly offered by Shaanxi Rebecca Bio-Tech Co., Ltd. and Shaanxi Fairir Biotech Co., Ltd. for quality evaluation. These samples allow UK consumers and businesses to verify the product's physical properties, such as its yellow crystalline appearance and insolubility in water, as well as its chemical purity (ranging from 70% to 98%). The suppliers maintain rigorous quality standards, including GMP and ISO certifications, and provide comprehensive Certificates of Analysis. To obtain a sample, interested parties must contact the suppliers directly via the provided email addresses or phone numbers.