Qing Dai - Extracto de Hoja de Strobilanthes Cusia para Tinte, 100 g (E-Fong)

What is Qing Dai?

Qing Dai, also known as natural indigo or Strobilanthes cusia leaf extract, is a fine dark blue powder obtained from the leaves of this plant. Traditionally, it has been used as a natural dye for fabrics and in Chinese medicine for external use. This 100-gram product is intended for applications such as craft dyeing and not as a food supplement.

The extract is obtained through a simple extraction process that preserves its natural components. Its fine powder presentation facilitates mixing and preparation of high-quality dyes.

Traditional uses as a dye

Qing Dai has been valued for centuries for its ability to dye fabrics with an intense and stable blue. In textile crafts, it is used to dye wool, cotton, silk, and other natural fibers. The dyeing process is simple and allows for professional results with little effort.

In traditional Chinese medicine, it has been used externally in topical preparations, but its main use today is as a natural dye. It is not intended for oral consumption.

How to prepare the dye with Qing Dai

To prepare a blue dye with this extract, follow these basic steps:

• Dissolve a small amount of powder (e.g., 10-20 grams) in hot water (approximately 1 liter). Stir well until the powder is fully integrated.
• Add a natural fixative, such as white vinegar (one tablespoon) or alum (5 grams), to improve color fastness.
• Submerge the previously dampened fabric in the solution and let it soak for at least an hour. For more intense colors, you can leave it longer or increase the concentration.
• Rinse the fabric with cold water until the water runs clear and hang it to dry in the shade.

Color intensity varies depending on dye concentration, exposure time, and fiber type. Experiment with small samples to achieve the desired shade.

Characteristics of the extract

This E-Fong Qing Dai extract comes in a 100-gram airtight container that protects the powder from moisture and light. The product is of plant origin and contains no added additives or preservatives. Its manufacturing process guarantees a fine and homogeneous powder, ideal for textile applications.

Store the product in a cool, dry place, away from direct light, to maintain its potency and color. Consume preferably before the date indicated on the package, although its shelf life is extended if stored properly.

Tips for choosing a good Qing Dai extract

When choosing a Qing Dai extract for dyeing, consider the following aspects:

• Purity: Opt for products that contain only the plant extract, without fillers or additives.
• Presentation: Fine powder allows for homogeneous mixing and easy dosing.
• Origin: Verify that the plant comes from reliable sources and that the extraction process is clean.
• Packaging: An airtight container protects the powder from moisture and light, preserving its quality.

This E-Fong product meets these criteria, offering a natural extract in a practical 100-gram package.

Frequently asked questions

Is Qing Dai the same as indigo?
Indigo can be obtained from various plants, including Indigofera tinctoria. Qing Dai comes from Strobilanthes cusia and is also used to produce a blue dye, but their traditional applications differ slightly. Both are natural dyes of plant origin.

Can Qing Dai be consumed?
This product is intended for external use as a dye. Oral consumption is not recommended. In traditional Chinese medicine, it is used externally in topical preparations, under the supervision of an expert.

How is dye removed from hands or surfaces?
The dye can stain. It is recommended to wear gloves during handling. To clean hands, use soap and water or a little milk. Stains on surfaces can be cleaned with hydrogen peroxide or alcohol.

How long does the prepared dye last?
The prepared dye solution can be stored in a closed jar in the refrigerator for approximately one week. After that time, it loses intensity.

Is it suitable for dyeing food?
No, this product is not intended for food use. It is exclusively for dyeing fabrics and other non-edible materials.

Legal notice: This product is a natural dye and should not be ingested. It is not intended to diagnose, treat, cure, or prevent any disease.