Overview
Wheatgrass powder is produced by dehydrating and milling young wheat shoots (Triticum aestivum), typically harvested at the jointing stage for peak nutrient content. Its popularity stems from its dense concentration of bioactive compounds, including chlorophyll, flavonoids, and enzymes. Historically used in traditional medicine, modern applications leverage its detoxifying, immune-supporting, and energy-boosting properties. Industrial production involves freeze-drying or low-temperature spray-drying to preserve heat-sensitive nutrients.
Physical and Chemical Properties
The powder’s vibrant green color indicates high chlorophyll levels, which also contribute to its mild, grassy taste and slightly alkaline pH (7–8). Its nutrient profile includes 17 amino acids, with glutamic acid and aspartic acid being predominant. Key stability challenges include sensitivity to light, moisture, and oxidation. Advanced packaging with nitrogen flushing is often employed to extend shelf life beyond 24 months. Particle size (usually 80–200 mesh) affects solubility and blending performance in end products.
Main Applications
In the food and beverage industry, wheatgrass powder is incorporated into capsules, tablets, and powdered drink mixes for its superfood appeal. Smoothie chains and juice bars use it as a premium additive. Cosmetic formulations utilize its antioxidant properties in face masks and creams, while animal nutrition sectors add it to pet foods and livestock supplements for its purported health benefits. Pharmaceutical research explores its potential in managing oxidative stress-related conditions.
Safety and Storage
While wheatgrass itself is gluten-free, cross-contamination during processing may occur, necessitating testing for celiac-safe compliance. Heavy metal screening (especially cadmium and lead) is critical due to soil absorption tendencies. Ideal storage requires temperatures below 25°C (77°F) with relative humidity under 65%. Bulk buyers should prioritize suppliers offering COA (Certificate of Analysis) for microbial counts (total plate count <10,000 CFU/g) and pesticide residues.
B2B Procurement Guide
Industrial buyers should assess suppliers for GMP (Good Manufacturing Practice) compliance and organic certifications (USDA, EU). Key negotiation points include minimum order quantities (MOQs), private labeling options, and testing protocols. For functional food projects, consider blended formulations with masking agents (e.g., stevia) to offset bitterness. Logistics planning must account for the powder’s low bulk density, which affects shipping costs per unit weight.
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