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Folium Isatidis Extract

Product name: Folium Isatidis Extract
Plant source: Isatis indigotica leaves
Specification: 1%
Appearance: yellowish brown powder
Test method: TLC
Mesh screen aperture: 80 mesh
Use: food, medicine, health care products
Samples: free samples
Certification: ISO, KOSHER, Halal, HACCP
Package: 1kg/bag, 25kgs/barrel

Raw material introduction

Folium Isatidis extract is the dry leaf extract of Isatis indigotica

It mainly contains indigosides and other ingredients, and has anti-inflammatory, antipyretic, immune enhancing, blood vessel dilating and other pharmacological activities. It is commonly used for warming evil, high fever, dizziness, rash, hot dysentery, mumps, sore throat, erysipelas, pain and swelling, etc. It can also be used in pharmaceutical, health product raw materials, herbal tea beverage additives, health food additives, veterinary drug raw materials and feed mixes.

Anti endotoxin effect

Chemical composition

At present, the components extracted from the extract of Folium Isatidis mainly include alkaloids, organic acids, glycosides, etc.

1. Alkaloids

Indole compounds: containing indigo, indirubin, isatanB, and isoindigo. Quinazolone compounds: containing 4 (3H) quinazolone, 2,4 (1H, 2H) quinazodione and tryptophan.

2. The glucosinolates contain glucosinolates (glucosinolates), neoglucosinolates (neoglucosinolates), 1-sulfo-glucosinolates (1-sulfo-glucosinolates), adenosine, cytidine, uridine and guanosine.

3. Organic acids: salicylic acid, anthranilic acid, syringic acid, benzoic acid, palmitic acid, nicotinic acid, succinic acid.

Folium Isatidis Extract

Efficacy and function

1. Anti endotoxin effect

In vivo and in vitro experiments showed that the extract of Folium Isatidis had the effect of anti endotoxin of E. coli OmB4.

The in vitro experiment was carried out according to the bacterial endotoxin test. The results showed that the 1% solution of the chloroform extract of Folium Isatidis could still destroy the endotoxin after being diluted 64 times.

The in vivo experiment was carried out according to the pyrogen test method: Results The endotoxin after the drug action was injected at a dose of 40 units per kg body weight of rabbits, and no typical pyrogenic reaction could be produced.

2. Anti inflammatory effect

The experimental arthritis in rats caused by formaldehyde proved that the water extract of Folium Isatidis had obvious anti-inflammatory effect after gavage. This product can also inhibit the local skin inflammatory reaction of rabbits caused by xylene, and reduce the permeability of capillaries.

3. Antipyretic effect

The extract of Folium Isatidis can obviously lower the body temperature of rabbits with fever caused by the mixed vaccine of cholera and typhoid fever, and the temperature drop is fast and the toxicity is small.

Other herbal extracts

Our factory specializes in the production of Anti inflammatory and Antiviral Herbal extract. The products are sold well at home and abroad and are well received by customers. If you are interested in our products, you only need to send an email to sales@oasier.com / info@oasier.com



Product Name: Folium Isatidis Extract

Origin of Material: china

Botanical Source: Isatis indigotica leaves

Part Used: leaves





yellowish brown powder







Sieve Analysis

95% pass 80 mesh

Loss on Drying


2 hours at 105°C

Bulk Density


Total Ash


Heavy Metals









Microbiological Test

Total Plate Count


Yeast & Mold


E.Coli E




Storage: In a cool & dry place. Keep away from strong light and heat.

Shelf Life: 2 years when properly stored.

* There is likely to be minor color variation from batch to batch due to geographical(origin) and seasonal variations of the material.

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