Pomegranate Extract

Pomegranate extract, derived from Punica granatum, is a natural dye known for its distinctive yellow to greenish-yellow hue and high tannin content, making it a valuable component in textile dyeing and mordanting processes. At Alfa Chemistry, we offer premium-quality pomegranate extract that can serve as an eco-friendly and effective dye, particularly suited for use with natural fibers such as wool, silk, and cotton.

Product Details and Packaging

Chemical Properties of Pomegranate Extract

Pomegranate extract is rich in tannins, a class of polyphenolic compounds that play a crucial role in its dyeing capabilities. Tannins act as a natural mordant, enabling stronger binding of the dye molecules to fibers, which leads to greater color fastness and durability. This makes pomegranate extract not only a natural dye but also an excellent mordant in its own right. The chemical structure of tannins, particularly the hydrolyzable types found in pomegranate, allows for interaction with both natural and synthetic fibers.

The presence of ellagitannins, a type of hydrolyzable tannin, is particularly noteworthy. Ellagitannins contribute to the astringency of the pomegranate and enhance the binding properties of the extract, allowing for vibrant and stable colors. When pomegranate extract is used in combination with iron, the tannins react to form a deeper, moss-green color, providing a wide range of shades depending on the mordant and the specific application method.

Dyeing Characteristics and Fiber Affinity

Pomegranate extract yields a matte green-yellow to dark yellow hue, depending on the fiber type and the maturity of the fruit. Less ripe pomegranates tend to produce greener shades of yellow, while fully ripe fruits give a more pronounced yellow. The dye is suitable for use with natural fibers such as wool, silk, and cotton, making it a versatile choice for eco-conscious textile manufacturers.

A typical dyeing procedure involves using 50 grams of pomegranate extract to dye approximately 600 grams of fiber. The results can vary from a subtle light yellow to a rich dark yellow, depending on the concentration of the extract and the type of fiber used. The addition of mordants, such as iron or alum, allows for a broader spectrum of colors, enhancing the versatility of pomegranate extract as a natural dye.

Applications in Textile Industry

Pomegranate extract is widely used in the dyeing of natural fibers, including wool, silk, and cotton. It provides textile manufacturers with a reliable and vibrant color palette that is both durable and eco-friendly. The dyeing process typically involves pre-mordanting the fibers with substances like alum or iron, which enhances the binding of the tannins to the fibers.

The versatility of pomegranate extract extends beyond its application as a dye. Due to its high tannin content, it can also serve as a mordant in combination with other natural dyes, improving the depth and stability of colors. For example, when combined with indigo, it can produce greenish hues, while pairing it with madder root can yield earthy tones.

It is important to note that our products are for research use only and are not for clinical use.