Stevia Leaf Extract

● Name: stevia Extract
● Other name: Steruia rebaudiana (Bertoni) Hemsl
● Source: stevia leaf
● Latin name: Stevia rebaudiana (Bertoni) Hemsl
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Product Details

Basic info

● Name: stevia Extract

● Other name: Steruia rebaudiana (Bertoni) Hemsl 

● Source: stevia leaf

● Latin name: Stevia rebaudiana (Bertoni) Hemsl

● Ingredient:  Stevioside 

● Specification: 60%-99% 

● Test Method:HPLC

● CAS No: 57817-89-7

● Molecular Formula:C38H60O18 

Botanical source/Latin name: Stevia Rebaudiana bertoni

Used part: leaf

Specification: Rebaudioside A 60%, 90%, 95%, 97%, 98% by HPLC

stevioside 60%, 80%, 85%, 90%, 95%, 97%, 98% 99% by HPLC

total steviol glycoside 60%

Stevioside is a natural sweetener extracted from leaves of Stevia rebaudiana (Bertoni) Bertoni. The literature about Stevia, the occurrence of its sweeteners, their biosynthetic pathway and toxicological aspects are discussed. Injection experiments or perfusion experiments of organs are considered as not relevant for the use of Stevia or stevioside as food, and therefore these studies are not included in this review. The metabolism of stevioside is discussed in relation with the possible formation of steviol. Different mutagenicity studies as well as studies on carcinogenicity are discussed. Acute and subacute toxicity studies revealed a very low toxicity of Stevia and stevioside. Fertility and teratogenicity studies are discussed as well as the effects on the bio-availability of other nutrients in the diet. The conclusion is that Stevia and stevioside are safe when used as a sweetener. It is suited for both diabetics, and PKU patients, as well as for obese persons intending to lose weight by avoiding sugar supplements in the diet. No allergic reactions to it seem to exist

Function of stevia extract powder

1.Stevia Extract helps solve various skin problems.

2.Stevia Extract can control high blood pressure and blood sugar levels.

3.Stevia Extract helps lose weight and reduce cravings for fatty foods.

4.Stevia Extract's anti-bacterial properties help prevent minor illness and cure minor wounds.

5.Adding stevia extract to your mouthwash or toothpaste results in improved oral health.

6.Stevia Extract induced beverages lead to improved digestion and gastrointestinal functions besides providing relief from upset stomachs. 

Application of stevia extract powder

1.Stevia extract applied in the food field, stevia extract powder is mainly used as a non-calorie food sweetener;

2.Stevia extract applied in other products, such as beverage, liquor, meat, daily products and so on;

3.Stevia extract applied in pharmaceutical field, stevia is approved to use in medicine, and developing many new products in few years.

Assay

Total Steviol Glycosides 50%~98.60%NLT

Conforms

 Rebaudioside A 50%~98.20%

Conforms

Stevioside 40.1%~0.6%

0.47%

Identification

Positive

Conforms

Appearance

Fine powder

Conforms

Color

Pure white

Conforms

Odor

Characteristic

Conforms

Taste

Characteristic

Conforms

Sieve Analysis

100% pass 80 mesh

Conforms

Loss on Drying  

7% Max

0.45%

Ash  

5% Max

0.17%

 Excipient

Nil

Conforms

Arsenic (As)

NMT 2ppm

Conforms

Cadmium(Cd)

NMT 1ppm

Conforms

Lead (Pb)

NMT 1ppm

Conforms

Chlorate (Cl)

10ppm Max

Conforms

Phosphate Organics

NMT 1ppm

Conforms

Heavy Metals  

NMT 1ppm

Conforms

Pesticides Residues

NMT 1ppm

Conforms

Total aerobic microbial count

10000cfu/g Max

Conforms

Total yeast and mould count

1000cfu/g Max

Conforms

Bile-tolerant gram negative bacteria

100cfu/g Max

Conforms

Salmonella

Absent in 10g

Conforms

E.Coli

Absent in 1g

Conforms

Staphylococcus aureus

Absent in 1g

Conforms

How’s working?

A β-galactosidase from Kluyveromyces lactis was found to specifically catalyze hydrolysis of the glycosyl ester linkage of stevioside to yield steviolbioside, a rare sweetener that also exists in Stevia rebaudiana leaves. In a packed bed reactor, a reaction coupling separation was realized and a production yield of steviolbioside reached 90% in 6h. The hydrolysis product steviolbioside presented higher cytoxicity on human normal cells (hepatocytes cell L02 and intestinal epithelial cell T84) than stevioside did. Comparing to the typical chemotherapy agent, 5-fluorouracil (5-FU), steviolbioside presents much lower cytotoxicity on all assayed human normal cells; it presented notable inhibition on human hepatocarcinoma cell Hep3B, human breast cancer cell MDA-MB-231 and human pancreatic cancer cell BxPC-3. The remarkable inhibition on MDA-MB-231 cells makes steviolbioside a potential remedy for human breast cancer, when steviolbioside is served as a natural sweetener.

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