Pharm Ingredients
Stevia Leaf Extract Powder
Stevia Leaf Extract Powder Manufacturers & Supplier
Kintainutri® stevia leaf extract powder is derived from Stevia rebaudiana, a plant native to South America and one of the few species in the Asteraceae family capable of producing steviol glycosides. Available in specifications of 90%, 95%, and 98% steviol glycoside content, our product offers a sweetness level 200 to 300 times that of sucrose, serving as a premium, natural, and zero-calorie sugar substitute. Its safety for consumption has been confirmed by numerous studies, making it an ideal choice for individuals managing sugar intake or weight; additionally, it offers bioactive benefits such as anti-inflammatory and dental-protective properties, allowing for widespread application in foods, dietary supplements, and other sectors.
Stevia Leaf Extract Powder Specification
| Physical and Chemical Property | |||
| Item | Specification | Method | |
|---|---|---|---|
| Appearance | White Powder | Visual | |
| Particle size | ≥95% through 80 mesh | Screening | |
| Residue on Ignition | ≤1g/100g | 3g/550℃/4hrs | |
| Loss on Drying | ≤5g/100g | 3g/105℃/2hrs | |
| Identification | Conforms with TLC | TLC | |
| pH | 4.5-7.0 | 1% solution | |
| Relative Sweetness (x) | 200~400 | (x) times than Sugar | |
| Assay (Total Steviol Glucosides) | ≥95% | HPLC | |
| RA (%) | ≥60% | HPLC | |
| Residue Analysis | |||
| Item | Specification | Method | |
| Heavy Metals | ≤10mg/kg | ICP-MS | |
| Lead (Pb) | ≤1.00mg/kg | ICP-MS | |
| Arsenic (As) | ≤1.00mg/kg | ICP-MS | |
| Cadmium (Cd) | ≤1.00mg/kg | ICP-MS | |
| Mercury (Hg) | ≤0.50mg/kg | ICP-MS | |
| Microbiological Tests | |||
| Item | Specification | Method | |
| Total Plate Count | ≤1000cfu/g | AOAC 990.12 | |
| Total Yeast & Mold | ≤100cfu/g | AOAC 997.02 | |
| E.Coli. | Negative/10g | AOAC 991.14 | |
| Salmonella | Negative/10g | AOAC 998.09 | |
| S.aureus | Negative/10g | AOAC 2003.07 | |
| Product Status | |||
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Conclusion: Sample Qualified. Shelf Life: 24 months under the conditions below and in its original packaging. Retest date: Retest every 24 months under the conditions below and in its original packaging. Storage: Store in a cool, dry place away from Moisture, Light. |
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How To Make Stevia Leaf Extract Powder?
Stevia Leaf Extract Powder Benefits
Stevia leaf extract and diabetes
Stevioside and Rebaudioside A found in stevia extract activate TRPM5 ion channels on pancreatic beta cells, thereby promoting glucose-induced insulin secretion. This glucose-dependent mechanism helps explain the stevia leaf extract insulin response, while also enhancing insulin sensitivity in peripheral tissues and improving glucose uptake and utilization by skeletal muscle.
Furthermore, the extract inhibits the activity of α-amylase and α-glucosidase, delaying carbohydrate digestion and absorption, which helps lower postprandial blood glucose peaks and may improve glycated hemoglobin (HbA1c) levels. Crucially, its insulin-promoting effect is glucose-dependent, activating primarily when blood glucose levels rise and diminishing as they return to normal, thereby potentially minimizing the risk of hypoglycemia. These properties make Kintainutri® stevia extract powder a valuable natural, plant-based ingredient for blood glucose management and sugar-reduction formulations, offering the dual benefits of supporting healthy glucose metabolism and serving as a sugar substitute.
Is stevia leaf extract bad for your liver？
The stevioside and steviol components found in Stevia rebaudiana extract demonstrate multiple benefits for liver protection. Animal studies indicate that stevioside increases renal plasma flow and induces diuresis and natriuresis, thereby helping to improve renal hemodynamics. In patients with chronic kidney disease, Stevia extract has been shown to improve levels of serum creatinine, uric acid, and fasting blood glucose.
Furthermore, steviol can retard the progression of cysts in polycystic kidney disease by inhibiting CFTR chloride channel activity and promoting the proteasomal degradation of the channel protein. Research also suggests that steviol may regulate salt and water transport in the renal tubules. These findings indicate that Steviaextract serves as a natural functional ingredient that supports kidney health, making it particularly suitable for the adjunctive management of diabetic kidney disease complications.
Stevia leaf extract cancer
Stevia rebaudiana extract has demonstrated significant anticancer activity in numerous studies. It has been shown to inhibit the proliferation of various cancer cell types, including gastrointestinal, colorectal, and breast cancer cells, while also inducing apoptosis. Its mechanisms of action primarily involve regulating the expression of cell cycle-related proteins and activating mitochondrial apoptotic pathways, thereby inhibiting DNA synthesis in cancer cells and suppressing tumor progression.
Animal studies have shown that stevioside can reduce papilloma formation by 94% and decrease tumor incidence threefold, with effects comparable to those of certain chemotherapeutic agents, while exhibiting relatively low toxicity toward normal cells. These findings suggest that Stevia rebaudiana extract has considerable potential for further development as a natural functional ingredient with anticancer properties.
What Is Stevia Leaf Extract Powder Used For?
Stevia leaf extract sweetener
Stevia rebaudiana extract is a natural, zero-calorie sweetener that is approximately 250–300 times sweeter than sucrose. Because its steviol glycosides are minimally metabolized by the human body and do not significantly affect blood glucose levels, stevia leaf extract sugar has become a popular alternative to conventional sugar among consumers seeking sugar reduction. Its key components, stevioside and Rebaudioside A, offer high purity, excellent thermal stability, and a broad pH tolerance, making the extract suitable for a wide range of food and beverage applications, including energy drinks with stevia leaf extract, baked goods, dairy products, and condiments. Compared with conventional sweeteners, stevia leaf extract combines natural sourcing with clean-label benefits, meeting growing consumer demand for natural, low-sugar, and health-oriented food products.
Stevia leaf extract dogs
Stevia extract targets common pathogens associated with canine skin infections, including bacteria such as Staphylococcus pseudintermedius and fungi such as Malassezia pachydermatis and various dermatophytes. It exhibits broad-spectrum antimicrobial activity by disrupting microbial cell membrane integrity. When formulated as a 10% topical spray, it achieves a bactericidal rate exceeding 99.999% within 30 minutes and demonstrates good stability after freeze-thaw cycles. Stevia extract may serve as an alternative or adjunct to conventional veterinary antibiotics for managing bacterial and fungal skin infections in dogs.
Stevia Leaf Extract Powder Safe
According to assessments by authoritative international food safety agencies, such as EFSA and the FDA, purified steviol glycosides with a purity of ≥95% are considered safe, non-caloric sweeteners for use during pregnancy and lactation, with an Acceptable Daily Intake (ADI) of 4 mg/kg of body weight. When considering stevia leaf extract pregnancy use, it is important to distinguish purified steviol glycosides from crude stevia leaves, whole-leaf infusions, or low-purity extracts, which are not recommended during pregnancy due to the potential presence of unidentified active ingredients. Studies conducted during lactation indicate that the concentration of steviol glycosides in breast milk is extremely low and well below levels considered to pose a safety concern, with no observed risk to breastfed infants. Consequently, high-purity steviol glycosides can serve as a sugar substitute for pregnant women with diabetes and individuals seeking to manage weight gain.
High-purity stevia extract powder with a steviol glycoside content of ≥95% has achieved Generally Recognized as Safe (GRAS) status for its intended uses in the United States, supporting its favorable safety profile. Its zero-calorie nature and high sweetness make it an attractive natural sugar substitute for a wide range of applications, including foods, beverages, and personal care products, making it increasingly popular in the market.
Stevia Leaf Extract Powder Side Effects
When discussing the potential side effects of stevia extract, it is crucial to distinguish between different product types. High-purity steviol glycosides (≥95%) have been evaluated by authoritative international bodies, including EFSA, JECFA, and the FDA, and are considered safe for use as food additives. They have an Acceptable Daily Intake (ADI) of 0–4 mg/kg body weight and are considered unlikely to cause allergic reactions in the general population. Concerns about potential allergies associated with the Asteraceae (daisy) family primarily relate to crude extracts or whole leaves, which may contain naturally occurring allergenic compounds.
However, high-purity steviol glycosides have a substantially different safety profile from crude extracts. Available evidence does not indicate that steviol glycosides themselves are allergenic or that they are metabolized into allergenic substances after ingestion. Therefore, high-purity steviol glycosides used in commercial food and beverage applications are generally considered to have a low allergenic potential when consumed under normal conditions of use.
Where To Buy Stevia Leaf Extract Powder?
As a professional manufacturer of plant extracts, Kintainutri® leverages a robust supply chain and strong R&D capabilities to provide you with high-quality stevia leaf extract powder. Our production system strictly adheres to international certification standards such as ISO9001 and ISO22000, ensuring full control over the product from source to finished good. Widely used in sectors including beverages, baked goods, dairy products, and health supplements, the product’s zero-calorie and high-sweetness profile makes it an ideal sugar substitute. Please contact Kintainutri® for your stevia extract needs; we are dedicated to helping your products gain a competitive edge in the market.
*Kintainutri® Promise All Products: Non-Irradiated / Non-ETO/ Treat by Heat Only / Non-GMO
Reference:
[1]: https://pmc.ncbi.nlm.nih.gov/articles/PMC8600158/
[2]: https://pmc.ncbi.nlm.nih.gov/articles/PMC11784044/
[3]: https://pmc.ncbi.nlm.nih.gov/articles/PMC10308837/
[4]: https://pubmed.ncbi.nlm.nih.gov/25449199/
[1]: https://pmc.ncbi.nlm.nih.gov/articles/PMC8600158/
[2]: https://pmc.ncbi.nlm.nih.gov/articles/PMC11784044/
[3]: https://pmc.ncbi.nlm.nih.gov/articles/PMC10308837/
[4]: https://pubmed.ncbi.nlm.nih.gov/25449199/
FAQ
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Is stevia leaf extract powder an artificial sweetener?
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Is stevia leaf extract powder safe during pregnancy?
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Does stevia leaf extract powder raise blood sugar?
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