Flax Seed Protein Powder

1. Introduction

Primary production regions for Flax Seed Protein Powder include Qingyang in Gansu, Huining, the Qinling area in Shaanxi, Bashang in Hebei, Inner Mongolia, Shanxi, Ningxia, Qinghai, Xinjiang, Heilongjiang, and Yunnan.

Flaxseed, known as linseed, has been part of human history for over 5,000 years. Classified as a seed, it thrives worldwide, with the highest nutritional quality found in varieties from harsh cold climates, particularly those from northwest Canada.

Linolenic Acid and Omega Fatty Acids

Omega-3 fatty acids are polyunsaturated fats essential to human cell structure and vital for proper cell membrane function, earning them the name "essential fatty acids."

In recent years, modern diets have shifted toward excessive saturated fats, disrupting cell operations and contributing to major degenerative conditions like cardiovascular issues, cancer, and diabetes. Research indicates that boosting omega-3 intake can help lower the risk of these diseases.

Flaxseed is exceptionally high in omega-3 essential fatty acids: just one tablespoon provides 3,800 mg—over ten times the amount in deep-sea fish oil—without the drawbacks of fishy odor, elevated cholesterol, or saturated fats.

Flax Seed Powder + Water
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Blend and adjust pH
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Enzymatic hydrolysis
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Separation
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Purification
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Concentration
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Spray drying
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Final packaging

3. Quality Standards

3.1. Safety Precautions: Certain reagents in these test procedures may be toxic or corrosive. Follow applicable safety protocols carefully. Rinse immediately with water if contact occurs with skin, and seek medical attention for severe exposure. Perform operations involving volatile acids in a fume hood.

3.2. Unless specified otherwise, reagents and water refer to analytical-grade purity and Grade III water per GB/T 6682. Prepare standard solutions, impurity standards, preparations, and test samples according to GB/T 601, GB/T 602, and GB/T 603. Solutions are aqueous unless another solvent is noted.

3.3. Identification Tests – Reagents and Materials
3.3.1. Siraitia grosvenorii sweet glycoside V reference standard: purity ≥98%.
3.3.2. Sulfuric acid.
3.3.3. Acetic anhydride.
3.3.4. Thin-layer chromatography silica gel plate: activate at 110°C for 1 hour prior to use.
3.3.5. Developing solvent: methanol : butyl acetate : water = 15 : 15 : 4.
3.3.6. Methanol solution: add 70 mL methanol to a 100 mL volumetric flask and dilute to volume with water.
3.3.7. Sulfuric acid solution: 10% (1:10 dilution).
3.3.8. Siraitia grosvenorii sweet glycoside V reference solution: dissolve 5–10 mg reference standard in 1–3 mL methanol solution.

3.4. Identification Procedures
3.4.1. Color Reaction: To 5–10 mg dried sample, add 2 mL acetic anhydride, heat gently for 2 minutes, then slowly introduce 0.5 mL sulfuric acid. A reddish-brown color appears at the layer interface.
3.4.2. Thin-Layer Chromatography: Dissolve 0.05–0.1 g sample in 1–3 mL methanol solution to form the test solution. Spot 2 μL each of test and reference solutions on the TLC plate (application line 2.0 cm from plate bottom; dry between spots). Develop in pre-equilibrated chamber until solvent front reaches ~10 cm above spots. Air-dry, spray evenly with sulfuric acid solution, and heat at 105°C for 10 minutes. Siraitia grosvenorii sweet glycoside V spot appears dark purple. The test solution yields a spot matching the reference in Rf value and color.

4. Chromatogram

5. Functions

5.1. Flaxseed protein is a form of legumin rich in 18 amino acids, vitamins, and minerals. Relative to soy protein, it offers higher levels of aspartic acid, glutamic acid, leucine, and arginine, making it a premium, nutrient-dense protein source.

5.2. This protein outperforms soy protein in functionality, with excellent water-holding and foaming capacities (1:6 water-binding ratio).

5.3. Superior emulsification: greater lipophilicity and oil-binding ability than soy protein.

5.4. Enhanced texture: improves sliceability, elasticity, and smoothness in meat products; boosts flavor, inhibits starch retrogradation, and synergizes strongly with meat proteins.

6. Applications

Flaxseed gum and xylan are key components in flaxseed, with protein comprising 10–30% of the seed. This high-value plant protein includes albumins, globulins, and glutelins, featuring a full amino acid profile and 5.16% essential amino acids.

Flaxseed polysaccharides consist mainly of rhamnogalacturonan (acidic, made of L-fucose, L-rhamnose, D-galactose, and D-galacturonic acid; ~25%) and arabinoxylan (arabinose, galactose, xylose; ~75%).

Flaxseed gum, a soluble dietary fiber (~8% of seed), swells slowly in water to create low-viscosity dispersions. With strong solubility, rheology, and emulsification, it serves as a thickener and stabilizer in dairy, sausages, beverages, etc., addressing dietary fiber shortfalls.

Lignans (0.7–2% of seed), primarily secoisolariciresinol diglucoside (SDG), can be extracted from defatted flaxseed meal into high-SDG concentrates.

7. Stability and Safety Studies

Extensive stability testing (accelerated and long-term) confirms product stability. Animal clinical trials demonstrate safety.

8. Third-Party Test Reports

Multiple third-party analyses from labs like SGS, Eurofins, and Pony have been conducted. We accommodate any testing needs. Sample reports follow.

9. Certifications

Botanical Essence holds certifications including HALAL, Kosher, ISO22000, HACCP, EU, and USDA Organic from accredited bodies.

10. Patents

Years of R&D have yielded China-based patents for this product.

11. Main Clients

Botanical Essence supplies leading global manufacturers in food, pharmaceuticals, and cosmetics.

12. Exhibitions

We regularly exhibit at events like CPhI, FIC, Vitafoods, and SupplySide West to grow our reach and bring benefits worldwide through Botanical Essence products.

13. Customer Feedback

With warehouses in Miami (USA) and Italy (EU), plus Alibaba online stores, we ensure seamless transactions—strategies highly appreciated by customers.

Elizabeth Morgan