The Development of Compound Functional Beverage with Proanthocyanidins in Purple Sweet Potato
Article
Figures
Metrics
Preview PDF
Reference
Related
Cited by
Materials
Abstract:
Purple sweet potato is a kind of sweet potato, with high edible and medicinal value. It not only has all the nutrients of the other sweet potato, but also has abundant selenium and proanthocyanidins, so possessing a strong health care function and the development and application of value. Compared proanthocyanidins with other reducing substances, its function of antioxidant and anti-aging are better. It is a non-toxic, harmless, natural pigment with anti-aging functions. This study was designed to use the purple sweet potato as the main raw material, with citric acid, xylitol, sodium benzoate, and other accessories, after selection formula based on single-factor tests, and preparation technology was optimized, eventually, compound function drink that is of good antioxidant health care is developed. The results showed that the optimum formula was that 5.0 g of purple sweet potato extract, 6.0 g of xylitol, citric acid 0.20 g and 3.5 mg sodium benzoate in 200 mL beverage. Proanthocyanidins in this drink was 2.2 mg/mL. The drinks taste good, and had a moderate acidity and sweet. The study had good prospects for development.
