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Biological actives need protection beyond the formulation tank
Biological crop protection products can be highly sensitive to environmental stress. Exposure to UV radiation, water quality variability
and complex tank mixes may affect product stability and field performance.
Formulators therefore need multifunctional formulation additives that not only support dispersion and stability, but also help protect sensitive active ingredients throughout the product lifecycle — from storage to application.
Activance® UV demonstrates efficient UV absorbance across the wavelength range most relevant for protecting light-sensitive biological actives. Its lignin-based structure helps reduce UV exposure and supports active ingredient integrity during storage and application.
UV absorption measured in 0,005% solutions of Activance UV and a competitor lignosulfonate from 240-400 nm.
Studies with Bacillus thuringiensis and Pseudomonas fluorescens demonstrated maintained viability in formulations containing Activance® UV following UV exposure. These results support the use of Activance UV in biological crop protection formulations where active viability is critical to product performance.
Formulation studies demonstrated excellent re-suspendability in wettable powder systems and high suspensibility in dry granulated formulations. By supporting effective dispersion and physical stability, Activance UV contributes to more reliable handling and application performance.
Illustrating the effect of UV exposure on Bacillus thuringiensis with and without Activance® UV. Bacteria premixed with Activance UV showed growth after exposure, while no growth was observed in the untreated control, indicating effective UV protection.