➀ The explosion at BASF's Ludwigshafen plant in Germany led to a significant increase in the prices of Vitamin A and Vitamin E, with the latter's price quadrupling. ➁ The explosion was caused by a fire from a leaked organic solvent storage unit, leading to the temporary shutdown of the plant. ➂ The disruption in production due to the explosion has highlighted BASF's critical role in the global supply of vitamins, particularly through its dominance in the production of the key intermediate, citral.