What is Pure Glutathione Powder?
Pure Glutathione Powder is a high-purity, water-soluble, tripeptide composed of glutamic acid, cysteine, and glycine, which has been manufactured using advanced fermentation and purification technology to offer consistent quality and stable performance in the industry and formulation uses. It is extensively employed as a functional ingredient in the pharmaceutical, nutraceutical, cosmetic, and food industries, as it has intense reduction capacity and can preserve the stability of the product by hindering oxidation. The powder is usually white or off-white and dissolves well in water, thus suitable for incorporation in all sorts of production, such as tablet-pressing, capsule filling, beverage designing, and cosmetic emulsions. It is appreciated due to its versatility and aptitude to go with a broad variety of formulations. It is widely used in the pharmaceutical and nutraceutical industry as a complementary ingredient in a formulation that is focused on antioxidant and detoxification effects. It is used in cosmetics and personal care product manufacturing as an important whitening, brightening, as well as anti-aging product line raw material, to augment the functional assertions of high-end skincare formulations. It has a use in food and beverage processing, either as a stabilizer or an additive to slow down food spoilage because of its power to delay oxidation of delicate food substances in processing and storage.
COA
| Item | Specification | Result (example) | Test Method / Reference |
| Appearance / Colour | White to off-white crystalline powder | White crystalline powder | Visual |
| Odour | Almost odourless/characteristic | Characteristic | Organoleptic |
| Identification A | Positive - IR spectrum consistent with reference | Pass | IR (ATR) vs reference spectrum |
| Identification B | Positive - Retention time corresponds to the standard | Pass | HPLC (UV) |
| Assay (on dry basis) | ≥ 98.0% (reduced glutathione) | 99.20% | HPLC (validated), % w/w on dry basis |
| Specific Rotation [α]D (if required) | +6.0° to +9.0° (example range - supplier may specify) | +7.3° | Polarimetry (c = 1, H₂O) |
| pH (1% aqueous solution) | 2.0 – 5.0 (typical for GSH) | 3.6 | pH meter |
| Loss on Drying (105°C, 3 h) | ≤ 1.0% | 0.45% | USP <731> / Gravimetric |
| Residue on Ignition (Sulphated ash) | ≤ 0.1% | 0.04% | USP / EP method |
| Optical Purity / Chirality | L-form predominant | Complies (L-GSH) | Chiral HPLC or specific identification |
| Related Substances / Impurities | Individual impurity ≤ 0.5% ; Total impurities ≤ 1.5% | Individual: 0.12%; Total: 0.54% | HPLC (related substances) |
| Heavy Metals (as Pb) | ≤ 10 ppm | < 2 ppm | ICP-MS / AAS |
| Arsenic (As) | ≤ 1.0 ppm | < 0.2 ppm | ICP-MS |
| Lead (Pb) | ≤ 1.0 ppm | < 0.2 ppm | ICP-MS |
| Cadmium (Cd) | ≤ 1.0 ppm | < 0.1 ppm | ICP-MS |
| Mercury (Hg) | ≤ 0.1 ppm | < 0.01 ppm | ICP-MS |
| Residual Solvents (if produced using solvents) | Meet ICH Q3C limits (e.g., methanol ≤ 3000 ppm, etc.) | Not detected / < limits | GC (headspace) |
| Chloride (Cl⁻) | ≤ 0.05% | 0.02% | Titration / Ion chromatography |
| Sulfate (SO₄²⁻) | ≤ 0.05% | 0.01% | Titration / Ion chromatography |
| Microbial Limits - Total Plate Count | ≤ 1000 cfu/g (food) / ≤ 100 cfu/g (pharma) | < 100 cfu/g | USP <61> |
| Microbial Limits - Yeast & Mold | ≤ 100 cfu/g | < 10 cfu/g | USP <61> |
| Pathogens - E. coli, Salmonella, S. aureus | Negative / 10 g | Negative | USP <62> / ISO methods |
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Market Trends
Glutathione Powder is a steadily growing market across the world as the world continues to move towards increasing demands of clean-label, multi-functional, and natural sources of ingredients in the nutraceutical, cosmetic, and functional foods and beverage market. The manufacturers are increasingly inclined to glutathione due to its proven stability, versatility in the formulation, and the ability to blend with the current trends in the products aimed at transparency and sustainability. The increase in microbial fermentation technology has enhanced efficiency and production purity at lower costs and reliability of high and constant quality that is formed to international standards. The Asia-Pacific region, especially China, India, and Southeast Asia, is emerging as a key growth centre with the rise of manufacturing capacity and the demand for wellness-related and eco-friendly products as well. Meanwhile, North America and Europe remain the industry leaders in the sphere of innovation, prioritizing the use of high-end products, including liposomal and encapsulated formulations. In general, the trend in the market suggests a move to more natural, evidence-based, and higher-grade raw materials, which makes it an effective and sustainable solution to global OEM and ODM manufacturers interested in activating the product portfolio and meeting the new expectations of the market.
Why is Glutathione Powder Popular?
1. Scientifically Recognized Ingredient
1. Scientifically Determined Ingredient
The use is very acceptable as its structure and characteristics are well known in scientific studies. Being a natural tripeptide that is present in living cells, it provides reliable functionality and performance history, which manufacturers can count on for stability, safety, and regulatory compliance in industries.
2. Multi-Functional Industrial Applications
It is versatile and is useful in various industries. In the case of pharmaceuticals and nutraceuticals, it serves as a stabilizing and antioxidant agent. It is useful in cosmetics to make them brighten and anti-aging. It is used in food production as an enhancer of freshness and control of the oxidation process, so that the users can simplify the distribution chain without losing the quality of the product.
3. Clean and Naturally Derived Source
It is produced using microbial fermentation and therefore fulfills the clean-label and sustainability requirements. This is a natural and environmentally sustainable origin that aids brands to identify their products as transparent, green, and responsibly sourced, which is in line with the current global market tastes.
4. Greater Compatibility and Stability
It has good solubility, neutral flavor, and fine texture that makes it easy to add to formulations of different products, such as tablets and drinks, to creams and serums without interfering with the product's appearance and functionality.
5. Global Quality Recognition
Adhering to USP, EP, FCC, and ISO requirements, Powder Glutathione is a consistent quality and traceable ingredient that can be used in manufacturing processes globally, and is a reliable ingredient in OEM and ODM manufacturing.
Product Direction
1. Functional Tablets and Capsules
Antioxidant or detox-supporting tablets and capsules are usually made using L-glutathione Powder. It is very purified and easily compressed and encapsulated due to its good flowability, which maintains stability and uniform quality in mass production.
2. Functional Beverages and Powders
It is a neutral-tasting, well-soluble in water, and can be incorporated into power beverage mixes, effusive pills, or drink formulas. It is utilized by manufacturers to produce clean-label functional beverages with glutathione and vitamins or amino acids to increase marketability.
3. Skincare Creams and Serums
It is also a high-quality active ingredient in brightening and anti-aging products in the cosmetics manufacturing industry. It can be used in creams, serums, ampoules, and masks with great stability and in combination with peptides and plant extracts in high-end skincare.
4. Liposomal Formulations and Microencapsulated Formulations
To enhance the bioreactivity and shelf-life, novel producers are coming up with liposomal or microencapsulated delivery systems. They are high-tech delivery systems applied in nutraceutical and cosmetic products, which support the high-performance and technology-oriented market trends.
5. Functional Food Additives
It can also be added to food preparations like dairy, bakery, or nutrition bars to aid in the preservation of the freshness and color of the products. It promotes clean-label innovation, whereby it provides natural antioxidant protection without the use of synthetic additives.
6. Biotech and Fermentation Applications
It is a stabilizing and redox agent that is applied in biotechnology in the process of fermentation or the production of enzymes. These applications emphasized in high-value and sustainable ingredient innovation underscore its growing importance in these high-tech applications.
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