Xingren Coix Seed

Xingren Coix Seed

Xingren Coix Seed is a protected geographical indication product.

Xingren Coix Seed is a certified geographical indication trademark.

　　Small coix seeds are grown on the Yunnan-Guizhou Plateau. Due to local natural and economic conditions, farmers rely heavily on cultivating small coix seeds for their livelihoods, making it a major cash crop in the region. The seeds are widely planted with high yields, and the fruit has both edible and medicinal value.

　　1. Coix seeds contain a variety of vitamins and minerals, which help promote metabolism and reduce the burden on the gastrointestinal tract. They can serve as a nourishing food for patients who are weak during or after illness.

　　2. Regular consumption of coix seed products also benefits chronic enteritis, indigestion, and other conditions. Coix seeds can enhance kidney function and have diuretic and heat-clearing effects, making them effective for patients with edema.

　　3. Modern pharmacological research has proven that coix seeds have anti-cancer properties. Selenium, one of the active anti-cancer components, can effectively inhibit the proliferation of cancer cells and is used as an adjunct treatment for stomach cancer and cervical cancer.

　　4. Regular consumption of coix seeds by healthy individuals can help keep the body light and agile, reducing the risk of tumors.

　　5. Coix seeds contain a certain amount of vitamin E, making them a beauty-enhancing food. Regular consumption helps maintain smooth and radiant skin, clears acne and age spots, improves skin tone, and has some therapeutic effects on warts caused by viral infections.

　　6. Coix seeds are rich in vitamin B, which is highly beneficial for preventing and treating beriberi.

　　Quality and Technical Requirements for Xingren Coix Seeds (Xingren Yi Seeds)

　　I. Varietal Source

　　Coix (Job’s tears) seeds (Coix lacryma-jobi L. var. ma-yuen (Roman) Stapf).

　　II. Growing Conditions

　　Altitude of 800m to 2100m within the production area, soil types include yellow-brown soil and yellow soil, with soil pH ranging from 5.0 to 8.0; soil layer thickness ≥50cm; organic matter content ≥1.0%.

　　III. Cultivation Management

　　1. Seed selection: Choose plump, large, and glossy seeds.

　　2. Seed treatment: Soak seeds in 5% lime water or a 1:100 Bordeaux mixture for 24 to 48 hours, then rinse with clean water, followed by soaking in 60°C warm water for 30 minutes.

　　3. Sowing: From early to mid-April each year, use dibbling method with row spacing of 50cm and hole spacing of 50cm, and a hole depth of 5cm at the center. Sow seeds evenly, 8 to 12 seeds per hole.

　　4. Hoeing and weeding: Conducted twice—first when seedlings are 5cm to 10cm tall, and second when seedlings reach 30cm.

　　5. Fertilization and topdressing: Apply 3000kg to 5000kg of well-rotted organic fertilizer and 40kg of 45% compound fertilizer per 667㎡ (mu).

　　6. Assisted pollination: During peak flowering, shake plants gently with ropes or similar tools in the morning to aid pollination.

　　7. Environmental and safety requirements: The use of pesticides, fertilizers, and other chemicals must comply with national regulations and must not cause environmental pollution.

　　IV. Harvesting and Storage

　　1. Harvesting: From September to October, when the lower and middle leaves of the plant turn yellow and over 80% of the seeds have matured and changed color.

　　2. Storage: After threshing, dry the seeds in the sun on sunny days until moisture content is ≤12%, then store.

　　V. Quality Characteristics

　　1. Sensory characteristics: Full and plump appearance, uniform grain size, smooth surface, grayish-white color, and moderate ventral groove.

　　2. Physicochemical indicators: Particle length of 6mm to 7mm, width of 4mm to 5mm, protein content ≥14.5%, fat content ≥5.5%.

　　3. Safety and other quality technical requirements: The product’s safety and other quality technical requirements must comply with relevant national regulations.