What is Astragalus Extract Powder?
Astragalus Extract Powder is a high-quality botanical extract of Astragalus membranaceus, which is a traditional Chinese herb commonly used to produce nutraceutical, pharmaceutical, and functional foods. This extract is produced by using highly advanced water or hydroalcoholic extraction, followed by spray-drying, to guarantee that the extract is rich in various active compounds, including polysaccharides, saponins (astragalosides), and flavonoids. These bioactive constituents have been known to have roles in assisting immune modulation, bodies of cells in gaining vitality, as well as increasing stress resistance, therefore making the extract a vital material in formulating health-oriented products. It has a good formulation and stability. It is usually standardized to certain concentrations of polysaccharides or astragaloside, and thereby, consistent quality and performance can be ensured over large batches of production. It is also a fine, free-flowing powder, which is readily incorporated into capsules, tablets, granules, beverages, or functional foods. It is reliable and can be easily soluble and compatible with most excipients. Besides, the weak natural taste and stable color profile of the extract can be used in both dry and liquid preparations without negatively influencing the sensory attributes.

COA
| Items | Specification | Results | Test Method |
| Appearance | Brown fine powder | Complies | Visual |
| Odor & Taste | Characteristic | Complies | Organoleptic |
| Particle Size | 100% pass 80 mesh | Complies | Screening |
| Identification | Positive | Complies | TLC |
| Assay (Polysaccharides) | ≥ 50.0% | 50.80% | UV spectrophotometry |
| Loss on Drying | ≤ 5.0% | 3.20% | 105°C / 5h |
| Ash | ≤ 5.0% | 3.70% | GB 5009.4 |
| Heavy Metals | ≤ 10 ppm | <10 ppm | ICP-MS |
| Lead (Pb) | ≤ 3 ppm | <3 ppm | ICP-MS |
| Arsenic (As) | ≤ 2 ppm | <2 ppm | ICP-MS |
| Cadmium (Cd) | ≤ 1 ppm | <1 ppm | ICP-MS |
| Mercury (Hg) | ≤ 0.1 ppm | <0.1 ppm | ICP-MS |
| Total Plate Count | ≤ 10,000 cfu/g | 1,200 cfu/g | GB 4789.2 |
| Yeast & Mold | ≤ 300 cfu/g | 80 cfu/g | GB 4789.15 |
| E. coli | Negative | Negative | GB 4789.3 |
| Salmonella | Negative | Negative | GB 4789.4 |
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Source
Astragalus Root Extract is a type of extract that is produced by drying the roots of the perennial plant Astragalus membranaceus (or Huang Qi), which is in the Fabaceae family. The plant is indigenous to the northern and northeastern parts and especially in provinces like Shanxi, Gansu, and Inner Mongolia, where the distinct climate and soil structure promote the concentration of active phytochemicals. Harvest and cultivation normally follow the maturation of the plant for at least four to five years, since the older roots are rich in polysaccharides and astragalosides. Once harvested, the roots are thoroughly washed, cut, and dried, and then extracted in purified water or hydroalcoholic solutions in order to prepare the major bioactive compounds. The extract so obtained is then filtered, concentrated at low temperature, and dried by the spray method to form a fine and stable powder that can be used on a large scale for industrial use. This regulates sourcing and processing, provides uniform quality, potency, and traceability, and therefore, it is a reliable raw material to producers of nutraceutical, pharmaceutical, and functional foods around the globe.
History
Astragalus membranaceus boasts an extensive and long history dating back more than two centuries, with an ingrained history in traditional Chinese medicine (TCM). Its use can be traced back in history, as was seen in the ancient writings of the Shen Nong Ben Cao Jing (The Divine Farmer's Classic of Materia Medica) that categorized it as a superior herb, one that was known to induce vitality and strength. The Astragalus root has been an ingredient in herbal remedies that were meant to promote energy balance, the immune system, and well-being over the centuries. It has always been consumed as a decoction and tonic, most commonly mixed with other herbs such as ginseng or angelica to boost the healing properties. During the course of time, its therapeutic reputation had reached outside of East Asia, becoming well known in the contemporary research of phytotherapy and natural products. Astragalus Membranaceus Extract has been transformed through the years into a scientifically accepted botanical dietary supplement, functional food, and pharmaceutical ingredient in diets, foods, and medicines all over the world without losing its historical memory, but fitting in modern health and wellness markets.

Precautions
1. Specification Verification and Standardization
Being a manufacturer, you must ensure that it is according to your specifications before production, i.e., the content of the active compounds (polysaccharides or astragalosides), as well as the moisture content and the amount of solvent residue. Stability in standardization brings about reliability of functionality in formulations and eliminates fluctuation of the efficacy and sensory properties of the final product.
2. Compatibility with Other Ingredients
It has several bioactive compounds that can react with other nutritional or herbal substances. Compatibility testing is a must, particularly in mixing with vitamins, minerals, or botanical extracts, so that chemical instability, precipitation, or loss of activity when subjected to processing or storage may be avoided.
3. Processing Temperature and Stability Control
Bioactive properties, especially polysaccharides and saponins, are prone to extreme temperatures and the extended effects of oxygen. Processing temperatures ought to be as low as possible during granulation, tablet or beverage formulation, as a means of preserving biological activity and product integrity. It is advisable that a vacuum or nitrogen-filled atmosphere be used during drying or packaging to reduce oxidation.
4. Moisture Management and Storage Conditions
It is hygroscopic, and it is to be kept in a cool environment situated in a dry, and well-ventilated environment free of sunlight and moisture. To avoid absorption of moisture that contributes to clumping, microbial growth, or diminished shelf life, manufacturers are recommended to package foods in sealed bags (usually in aluminum foil bags or fiber drums but with dual layers) to avoid moisture entry into the food.
5. Microbiological and Heavy Metal Testing
Before it is used, batches of quality control should undergo microbiological and heavy metal testing to meet regulatory limits established by quality standards like the USP, EP, or GB. COA (Certificate of Analysis) data should be supplied by reliable suppliers; however, in-house verification of products will guarantee product safety and adherence to both export and local market policies.
6. Formulation Optimization
Dosage, excipient ratios, and carrier systems may need to be adapted depending on the intended application, e.g., capsules, tablets, powdered drinks, or even functional foods. It may be sensitive to some binders or fillers, and hence a pre-formulation study and pilot run may be recommended to ascertain the desirable flowability, compressibility, and solubility of the product to be used in large-scale production.
7. Labeling and Regulatory Compliance
In exporting or selling finished products that contain Astragalus Extract, manufacturers have to comply with the local requirements in labelling and registration of ingredients. These encompass proper declaration of extract ratio (i.e., 10:1), standardization indicators, and any pertinent functional propositions that can be backed by scientific proof to comply with the FDA, EFSA, or CFDA guidelines.
8. Supply Chain and Traceability Management
It is necessary to retain full traceability of the raw material sourcing to the finished product. To achieve transparency and accountability in the supply chain, manufacturers are supposed to collaborate with suppliers, who issue documentation, including origin certificates, pesticide residue reports, and GMP/ ISO certifications.
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