Export Snapshot

Minimum order

1 Unit

HSN Code

84792090

Origin

India

Lead time

On request

Port of dispatch

On request

Packaging

Standard export packaging

Shelf life / storage

As per product specification

Export markets served

Global markets

Ability to customise

As per OEM brief

Values shown are for Best Engineering Technologies.

Company Best Engineering Technologies

Best Engineering Technologies

Essential Oil Plants / Steam Distillation Plants Cashew Nut Process Plant & Equipment Home | Profile | Products | Clientele | Media Gallery | Contact Us | Enquiry

Registered address: Medak, India. Industry: Food & Beverage › Packaging & Processing Plants, Equipment & Services.

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Established

Not shared

Employees

–

GST

36AAGFB8313F1ZO

IEC code

Not shared

Export markets

Global markets

Member since

Mar 2024

Turnover

On request

Incorporation type

On request

MSME CERTIFICATE / UDYAM ISO CERTIFICATE IEC CERTIFICATE ZED CERTIFICATE

Product details

Blue color extraction from woad leaves (Isatis tinctoria) centers on isolating the natural indigo precursor indican, which is enzymatically converted into the blue indigo pigment through fermentation and oxidation processes. The procedure begins with harvesting fresh woad leaves, followed by maceration or fermentation in water to activate the enzymes that break down indican into indoxyl. Upon exposure to air, indoxyl oxidizes and dimerizes to form insoluble indigo dye. The blue pigment is then separated by sedimentation, filtration, or centrifugation. For liquid extracts, the indigo can be solubilized in alkaline solutions to produce blue or bluish-purple hues suitable for textile dyeing and other applications. Controlling fermentation time, temperature, and pH is crucial to maximize pigment yield and maintain color quality. The final indigo extract from woad is prized for its rich, vibrant blue and eco-friendly properties in natural dyeing processes.

Description provided by Best Engineering Technologies.

Fresh Woad Leaves (Isatis tinctoria)

Enzymatic fermentation and oxidation

Natural Indigo Dye

Sedimentation, Filtration, Centrifugation

Blue to Bluish-Purple hues

Fermentation time, temperature, and pH optimization

Eco-friendly textile dyeing and natural pigment uses

Sustainable, non-toxic, biodegradable dye

Powder or liquid alkaline-soluble extract

1 Unit

Specifications

Botanical Name

Isatis tinctoria

Active Compound

Indican (precursor to Indigo)

Extraction Process

Fermentation and oxidation of indican to indigo

Physical State

Solid pigment or liquid extract

Color

Natural blue pigment

pH Range

Neutral to alkaline for solubilization

Storage Conditions

Cool, dry environment to preserve pigment

Use Case

Textile dyeing, natural pigment production

Shelf Life

Depends on storage, typically 12-18 months

MOQ

1 Unit

Use cases

Category

Natural Textile Dye Extracts

Primary application

Brand

Not specified

Product type

Product

Logistics & handling

Lead time

On request

Packaging

As per buyer requirement

Storage condition

As recommended by supplier

Origin

India

Form

As listed by supplier

Commercials Best Engineering Technologies

Minimum order

1 Unit

Lead time

On request

Payment terms

As per negotiated commercial agreement

Frequently asked by buyers

What is the typical indigo content percentage in the extracted product?

The extracted indigo content varies with processing parameters but typically ranges between 3-6% by weight, depending on leaf freshness and fermentation control.

Can the extracted indigo be customized for different shades or concentrations?

Yes, by adjusting fermentation time, pH, and solubilization techniques, different blue shades and pigment concentrations can be produced tailored to client needs.

Is the indigo extract suitable for direct application in textile dyeing without further processing?

The extract is typically solubilized in alkaline solutions prior to application; however, it can be supplied in ready-to-use liquid form for direct textile dyeing.

What are the recommended storage conditions to ensure pigment stability?

Store in a cool, dry place away from direct sunlight and moisture to prevent pigment degradation and preserve dye quality for up to 18 months.

Does the extraction process comply with organic and eco-friendly standards?

Yes, the process avoids synthetic chemicals and uses only natural enzymatic fermentation and oxidation, ensuring an environmentally sustainable product.

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