Purple Sweet Potato Powder Extract

1.Production introduction

Purple sweet potato is an annual herbaceous plant belonging to the genus *Ipomoea* of the Convolvulaceae family. It is a special variety of sweet potato, named for its purple to dark purple flesh. Native to South America, purple sweet potato is cultivated in countries and regions such as Japan, South Korea, the United States, and the Jiangnan region of China. It is a short-day crop, requiring sufficient and relatively strong sunlight during its growth period.

Purple sweet potato has health benefits and high nutritional and medicinal value. It combines the characteristics of a food crop, a cash crop, and a medicinal crop. In addition to the components and functions of ordinary sweet potatoes, it also possesses various physiological functions, making it an important raw material for the food, pharmaceutical, chemical, light industry, and textile industries.

2.Function and Application

Benefiting from its natural color and nutritional properties, purple sweet potato powder extract has a wide range of applications in the food industry:

(1)Frozen foods: Commonly used in the skin and filling of purple sweet potato dumplings, as well as purple sweet potato steamed buns, adding a natural purple hue to the products.

(2)Baking industry: Used in the production of purple sweet potato bread, toast, biscuits, cookies, and mooncake fillings, not only enhancing the visual appeal but also increasing nutritional value.

(3)Beverage industry: Used as a raw material for solid beverages, in the development of whole-grain beverages such as purple sweet potato milk tea and purple sweet potato soy milk.

(4)Health and pharmaceutical industries: Due to its anthocyanins, selenium, and other components, which have antioxidant and immune-boosting effects, it can be used as a raw material for related products.

3.Extraction process and related test reports：

Efficient extraction and processing technologies are key to maximizing the acquisition and retention of active ingredients in purple sweet potatoes:

Microwave-assisted extraction technology: This is one of the modern methods to improve anthocyanin extraction efficiency. A study optimized the process parameters for extracting anthocyanins from purple sweet potato flour using response surface methodology: microwave radiation power 700W (temperature 70℃), radiation time 6.37 minutes, liquid-to-solid ratio 15:1, and hydrochloric acid concentration 0.3%. This method is highly efficient and has a short extraction time.

Fermentation technology: Utilizing microbial fermentation to improve the physicochemical properties and enhance the value of purple sweet potato flour is an interesting application. Research has found that fermenting purple sweet potato flour with low-sugar yeast under specific process conditions (yeast addition 0.95%, material-to-liquid ratio 1:22, fermentation time 16 hours, fermentation temperature 23℃) can significantly improve the antioxidant capacity of the purple sweet potato flour. Furthermore, studies have explored the fermentation of raw purple sweet potato flour by *Lactobacillus plantarum* in conjunction with cellulase and pullulanase, finding that this can improve its processing characteristics (such as altering water-holding capacity and oil-holding capacity).

Enzymatic Extraction of Dietary Fiber: Enzymatic extraction of dietary fiber from purple sweet potatoes was investigated. An orthogonal experiment determined the optimal process parameters as follows: 0.7% mixed enzyme (α-amylase to saccharifying enzyme ratio 6:1), enzymatic hydrolysis temperature 70℃, processing time 80 minutes, and 0.6% protease.

OEM Service

As a supplier of plant extracts for 15 years, we can guarantee the quality of products, we can provide different customized services.If you have any requirements, please contact us.

1. Timely online communication and reply within 12 hours;

2. Choose high-quality raw materials;

3.OEM/ODM available;

4. Reasonable and competitive price;

5. Free samples can be provided;

6. Credit guarantee: Alibaba third-party trade guarantee;

7. Fast delivery time: stable inventory of products; Mass production within 7 days;

8. Quality assurance: Internationally authorized third party testing for the products you need.

9. Halal, Kosher, ISO 9001, ISO22000, ECO, GMP, FDA and other certificates are our strong backing to ensure product quality.

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We accept International Express--Fedex/DHL/UPS, air shipping and sea shipping,  We can ship to all over the world, even to some remote areas, such as remote areas of Russia, countries near the north and south poles. 

Our products meet ISO standards, We are very specialized in fadogia agrestis extract powder.If you are interested in our products, please send email to: haozebio2014@gmail.com