Corosolic Acid Powder is a natural pentacyclic triterpenoid mainly associated with Lagerstroemia speciosa, also known as Banaba. In commercial production, the raw plant material is extracted, concentrated, and further refined to obtain different assay levels, from standardized extract grades to high-purity corosolic acid powder. Because the content can be adjusted according to different product goals, this ingredient is commonly supplied in both low-percentage and high-purity forms.
In the raw material market, this ingredient is mostly used in products built around glucose balance, carbohydrate metabolism, and daily metabolic support. Buyers usually do not look at it as a general plant extract. They pay more attention to assay level, source consistency, and whether the selected grade fits capsules, tablets, softgels, or other delivery formats. Since it has low water solubility, formulation planning matters more than just putting the powder into a simple blend.
Shaanxi Medibridge Biotech Co., Ltd. supplies Corosolic Acid Powder with flexible specification options, stable quality control, and practical support for nutraceutical and formulation customers working on Banaba-related actives and metabolic health ingredients.
COA
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Product Name |
CAS Number |
Batch Number |
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Corosolic Acid Powder |
4547-24-4 |
MB2602031030 |
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Manufacturer Date |
Analysis Date |
Expiry Date |
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2026-02-03 |
2026-02-04 |
2028-02-02 |
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Sample Qty Base |
Packing |
Test Method |
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200KGS |
25kg/drum |
HPLC |
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Item |
Standard |
Results |
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Appearance |
White to off-white fine powder |
Conforms |
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Identification (HPLC) |
Retention time consistent with reference standard |
Conforms |
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Assay (Corosolic Acid) |
≥98.0% (HPLC) |
98.27% |
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Molecular Formula |
C30H48O4 |
Conforms |
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Molecular Weight |
472.70 g/mol |
Conforms |
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Solubility |
Insoluble in water; soluble in ethanol/DMSO |
Conforms |
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Loss on Drying |
NMT 2.0% |
0.73% |
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Residue on Ignition |
NMT 0.5% |
0.21% |
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Heavy Metals |
NMT 10 ppm |
Conforms |
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Arsenic (As) |
NMT 2 ppm |
Conforms |
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Microbial Limits |
Complies with nutraceutical/raw material standards |
Conforms |
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Storage |
Store in cool & dry place. keep away from strong light and heat |
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Conclusion |
The batch conforms to the IN-HOUSE standard |
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Source & Compound Identity
Corosolic acid is one of the better-known marker compounds associated with Banaba leaf. From a product point of view, that matters because customers often use this compound as a reference point when comparing Banaba extract quality and standardization level.
It is a pentacyclic triterpenoid rather than a peptide or protein ingredient, so the page logic should stay on compound identity, assay level, and formulation fit. That makes it easier for buyers to understand what they are actually purchasing, especially when comparing 1%, 2%, 10%, and 98% grades.

Typical Application Areas
This ingredient is commonly used in nutraceutical products aimed at glucose balance, carbohydrate metabolism, and daily metabolic support. It is often seen in capsule, tablet, and softgel formulas where Banaba-related actives are part of the product concept.
It can also be used in more advanced formulations where delivery format is important. In practical product development, the value of this ingredient is not only the compound itself, but also whether the selected grade fits the formula direction, label story, and target dosage form.

Formulation & Specification Notes
One important point with this material is that different assay levels serve different purposes. Lower-percentage grades are more often used in standardized botanical extract systems, while high-purity grades are more suitable when a clearer marker-compound direction is needed.
Because corosolic acid is poorly soluble in water, it is usually easier to work with in softgel systems, lipid-based carriers, or other delivery approaches that help improve dispersion and use efficiency. For this type of ingredient, formulation fit is often just as important as the assay number itself.

Delivery & Use Considerations
This material is lipophilic, so ordinary powder use does not always give the best performance in finished products. In actual applications, formulators often look at oil-based carriers, emulsified systems, or other delivery strategies when better dispersion is needed.
For routine supplement use, capsules, tablets, and softgels are still the most common directions. The right choice usually depends on the selected purity grade, target serving size, and the rest of the formula system.

Application Scenarios
Corosolic Acid Powder is widely applied in formulations targeting metabolic health and glucose management, particularly in nutraceutical products designed for blood sugar balance and insulin sensitivity support. It is also incorporated into weight management supplements due to its role in lipid metabolism and energy regulation.
In addition, it is suitable for functional food systems and advanced dietary formulations, as well as cosmetic applications focused on anti-inflammatory and skin-balancing benefits, offering versatility across both health and wellness sectors.

Why Choose Us
We supply Corosolic Acid Powder in multiple assay levels, from standardized extract grades to high-purity material, with flexible packaging and bulk service support. That gives buyers more room to match the raw material with different product concepts and dosage forms.
Shaanxi Medibridge Biotech Co., Ltd. focuses on clear specifications, practical communication, and stable supply for nutraceutical and formulation customers. From sample evaluation to bulk order coordination, the goal is to make sourcing more straightforward and easier to manage.
FAQ
Q: What is Corosolic Acid mainly used for?
A: It is mainly used in products built around glucose balance, carbohydrate metabolism, and daily metabolic support.
Q: What is the common source of Corosolic Acid?
A: It is commonly associated with Lagerstroemia speciosa (Banaba) leaf extract.
Q: What specification options are usually available?
A: Common options include 1%, 2%, 10%, and 98% Corosolic Acid grades.
Q: Is it water-soluble?
A: No, it has poor water solubility and is generally easier to use in lipid-based or specialized delivery systems.
Q: Which dosage forms are commonly used?
A: Capsules, tablets, and softgels are the most common choices, depending on the grade and formula design.
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