Displaying 4 results of Abscisic Acid Impurities Abscisic acid (ABA) is a plant hormone that plays a crucial role in regulating plant growth and development. However, ABA impurities can negatively impact the quality of ABA products, as well as its effectiveness in various applications. These impurities can be caused by a variety of factors, such as improper storage or handling, and can affect the stability and purity of ABA products. It is therefore important to carefully monitor and control the presence of ABA impurities to ensure the highest quality and effectiveness of ABA products.