Garden Port Sweet Potatoes

Garden Port Sweet Potatoes

Garden Port Sweet Potatoes are a geographical indication agricultural product.

　　The Garden Port sweet potato planting base enjoys an excellent environment, with soil primarily composed of red sandy loam rich in minerals and trace elements. The large diurnal temperature variation creates ideal conditions for producing high-quality sweet potatoes. The resulting tubers are visually appealing, have a pure flavor when cooked, a moderate floury texture, and offer a delicious taste that is fragrant, sweet, sticky, and soft—some even with a chestnut-like aroma—and are low in fiber.

　　Leveraging research institutions such as the Henan Academy of Agricultural Sciences and Henan Agricultural University, Garden Port Sweet Potatoes continuously explores new varieties and technologies. Extensive efforts have been made in organic cultivation, eco-friendly preservation, and brand development, ensuring the fresh tubers are genuinely pollution-free and all-natural. The brand is dedicated to creating the only organic colored sweet potato brand in the Henan market.

　　Currently, the main varieties planted in Garden Port include Yuyang Purple Sweet Potato, Yuyang Fragrant Sweet Potato, Yuyang Fruit Sweet Potato, and Yuyang Tribute Sweet Potato, among other premium series. With varying colors, each type offers a unique taste and distinct characteristics.

　　Yuyang Purple Sweet Potato: The tubers are purple or deep purple in color, with a texture as smooth, sweet, and dry as red bean paste. The flesh is rich in anthocyanins and selenium, offering anti-cancer benefits.

　　Yuyang Fragrant Sweet Potato: The tubers are golden yellow, with a texture as fragrant, sticky, and delicate as egg yolk—reminiscent of Thai jasmine rice with a uniquely pleasant aroma. When steamed or boiled, the fragrance fills the air. When used in porridge or soup, the broth becomes sweet and honey-like, while the flesh remains fragrant, sticky, and incredibly tasty.

　　Yuyang Tribute Sweet Potato: The tubers are yellow and specifically cultivated for roasting. Known as the “Imperial Roast Sweet Potato,” when baked, the skin naturally separates from the flesh. Gently peeling the skin reveals translucent, glistening flesh that melts in your mouth with a rich, grilled aroma.

　　Yuyang Fruit Sweet Potato: The flesh is bright orange-yellow, vibrant in color. As the name suggests, this is a new fruit-type sweet potato variety, rich in pectin and vitamins. Eaten raw, it has a strong fruity flavor, with crisp, sweet, and refreshing flesh. When steamed or boiled, it becomes sweet, watery, fragrant, and soft—both nutritious and delicious.

　　Garden Port Sweet Potatoes are rich in protein, starch, pectin, amino acids, dietary fiber, carotene, vitamins A, B, C, E, and more than 10 types of trace elements such as calcium, potassium, and iron. They were ranked first among the “Top Ten Healthiest Vegetables” by the World Health Organization (WHO), and nutritionists praise them as the “most balanced food in terms of nutrition.” In addition to aiding weight loss and fighting cancer, they also effectively prevent bone calcium loss—making them an outstandingly nutritious food.

　　In addition to containing a certain amount of calcium, Garden Port Sweet Potatoes are also rich in carotene and vitamin C. These two substances help maintain ionic balance in the body and slow down age-related calcium loss. Furthermore, sweet potatoes contain only one-third the calories of the same weight of rice and are almost free of fat and cholesterol, making them an excellent low-fat, low-calorie food.

　　Garden Port Sweet Potatoes

　　Geographic Range

　　Garden Port is located on the northern bank of the Yellow River in the urban area of Zhengzhou, stretching from the Second Zhengzhou Yellow River Bridge in the east to the Yellow River Scenic Area in the west, bordered by the southern embankment of the Yellow River to the south, and facing YuanYang and WuZhi across the river to the north. Its geographical coordinates lie between 34°16′ to 34°58′ north latitude and 112°42′ to 112°47′ east longitude. Formed by Yellow River flooding and sedimentation, the area features flat terrain with ground elevations of 90–95 meters. The geological structure consists of loose sediments, primarily deposits from historical Yellow River floods and alluvial materials. Landforms include gently sloping plains, depressions, and river floodplains. The total regional area exceeds 6,600 hectares, with an annual production of nearly 7,500 tons of Garden Port Sweet Potatoes.

　　Product Quality Characteristics

　　1. External Sensory Features: Garden Port Sweet Potatoes are uniformly shaped, with an average single tuber weight of 200g and a maximum of 2,000g. They come in oval or spindle shapes with smooth and attractive skins. Colors include red, yellow, and purple, with different hues offering varied flavors—each tuber type has its own unique traits. 2. Internal Quality Indicators: Garden Port Sweet Potatoes are rich in over 10 types of trace elements, carotene, and vitamins A, B, C, and E. Testing by the Ministry of Agriculture’s Fruit and Seedling Quality Supervision and Testing Center showed β-carotene content of 786–926 μg/g and vitamin C content of 26.6–31.2 mg/100g. This healthy food was ranked first among the “Top Ten Best Vegetables” by the WHO, and nutritionists acclaim it as the “most balanced food in terms of nutrition.” In addition to aiding weight loss and fighting cancer, it also helps prevent bone calcium loss—making it a highly nutritious food. Beyond containing a certain level of calcium, Garden Port Sweet Potatoes are also rich in potassium and magnesium, which help maintain ionic balance and slow age-related calcium loss. Moreover, their calorie content is just one-third that of the same weight of rice, and they are nearly free of fat and cholesterol—making them an excellent low-fat, low-energy food. 3. Safety Requirements: Garden Port Sweet Potatoes are produced strictly in accordance with the national green food standards issued by the Ministry of Agriculture. They comply with NY/T391-2000 *Green Food Environmental Conditions*, NY/T393-2000 *Green Food Pesticide Use Guidelines*, and NY/T394-2000 *Green Food Fertilizer Use Guidelines*. 4. Packaging: Packaging materials must meet national food packaging hygiene requirements as well as environmental protection standards. Sales packaging for sweet potatoes should comply with GB/T 17109. All packaging materials must be clean, hygienic, dry, non-toxic, odorless, and meet food safety requirements. 5. Storage: Sweet potatoes are commonly stored using the cellar method. Cellar storage utilizes underground and tuber respiration heat for insulation and frost prevention, making it relatively safe. Storage can last 4–5 months. Prior to storage, tubers must be carefully selected to remove damaged, diseased, cracked, or frozen ones. Before storage, the cellar bottom and walls should be lined with dry straw. During storage, designated personnel must manage and regularly inspect the stock. Management mainly involves regulating cellar temperature to prevent disease and adjusting practices according to the three different stages of storage. Storage procedures comply with NY/T5190-2002. 6. Transportation: Transport vehicles must be clean and hygienic, and sweet potatoes must not be shipped with toxic or hazardous goods. During sales, batches must be clearly marked, and the environment kept clean with good ventilation. Finished sweet potato products must not be exposed to direct sunlight or rain, and care must be taken to prevent freezing or overheating. Transportation follows the *Green Food Storage and Transport Guidelines* (NY/T1056-2006).