1. Provides natural black pigmentation: Offers a deep, stable black hue, serving as a natural alternative to synthetic black colorants.
2. Exhibits certain antioxidant activity: Contains bioactive compounds that can scavenge free radicals to some extent, protecting cells from oxidative damage.
3. Has good stability: Maintains its black shade in a relatively wide pH range. It also has excellent light, heat, and microbial stability, being able to withstand common food processing temperatures and storage conditions without significant fading.
4. Has excellent water solubility: Easily disperses in water, with a stronger dyeing ability to starch and protein, which makes it suitable for various aqueous systems.



