Zhengan wild papaya is a unique resource cultivated by Zhengan County's unique geographical location, natural climate and temperature conditions. It has the characteristics of clear aroma, slightly sour taste, large fruit, thin skin, thick meat, tender and non-toxic. Its functions include Pinggan and stomach, dehumidification and anti-cancer, delaying aging, anti-inflammatory and antibacterial, lowering blood fat and enhancing human immune function.

Wild papaya has rich nutritional value. In order to develop more economic value of Zhengan wild papaya, Zhengan County Government entrusted Guizhou University Nutrition and Food Research Office to study the deep processing of wild papaya, successfully applied for papaya polyphenol invention patent, and developed papaya. Antioxidant Essence, Papaya Effervescent Tablets, Papaya Bio Fermented Fruit Wine, three mature papaya nutrition functional products.

Zhengan wild papaya quality technical requirements (a) provenance. Papaya papaya [Chaenorneles speciosa (Sweet) Nakai]. (2) Site conditions. The altitude is 600m to 800m. The soil type is yellow red soil, the texture is sandy loam, the soil organic matter content is ≥1.0%, the soil pH is 5.0 to 5.5, and the soil layer thickness is ≥40cm. (3) Cultivation management. 1. Seedling: Breeding by sowing or cutting. 2. Colonization: The planting time is from December to March of the next year, and the planting density is ≤900 plants per hectare. 3. Fertilization: Based on organic fertilizer, organic fertilizer is applied ≥35 tons per hectare per year. 4. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. (4) Harvesting. Picking began after the whitening of the fruit in mid-August. (5) Quality characteristics. 1. Sensory characteristics: The fruit shape is long oval or nearly round, the peel is yellow or yellowish green, the flesh is white, with the characteristics of thin skin, thick meat and strong aroma. The weight of single fruit is ≥200g. 2. Physical and chemical indicators: total sugar ≥ 4.0%. 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

Apply to：
Producers within the scope of the production of Zhengan wild papaya may apply to the Quality and Technical Supervision Bureau of Zheng'an County of Guizhou Province for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Guizhou Provincial Bureau of Quality and Technical Supervision and reported to the AQSIQ for approval. . The statutory testing agency of Zhengan wild papaya is designated by the Guizhou Provincial Bureau of Quality and Technical Supervision.