Mustakshif Shariah Board Rulings on E358 (ammonium adipate)
According to Mustakshif Shariah Board , E431 is classified as mushbooh—doubtful—by many scholars. The halal status of E431 depends entirely on the source of the stearic acid. If it is derived from vegetable oils, the ingredient is halal. However, if it comes from non-halal animal fats, it is haram.
Introduction
E431 is the code for Polyoxyethylene (40) Stearate, also known as Polyoxyethylene (40) Monostearate. It is a synthetic food additive used as an emulsifier and stabilizer. This ingredient appears as a waxy solid or paste and is commonly added to processed foods to help mix oil and water-based components.
How is it extracted?
Polyoxyethylene (40) Stearate is manufactured through a two-step chemical process. First, stearic acid, a fatty acid, is reacted with ethylene oxide to form a compound where polyoxyethylene chains are attached to the stearic acid molecule. The source of stearic acid is critical, as it may come from either plant-based oils (like palm or soybean) or animal fats. After synthesis, the product undergoes purification and quality control testing to ensure it meets food-grade standards.
Functions of E431
E431 is widely used in the food, cosmetic, and pharmaceutical industries. In foods, it acts as an emulsifier to blend oil and water, improving texture and mouthfeel. It also functions as a stabilizer, maintaining uniform consistency and preventing separation in products like baked goods, sauces, creams, and beverages.
Conclusion
Polyoxyethylene (40) Stearate (E431) plays a key role in processed foods by improving texture and stability. However, its halal status remains doubtful (mushbooh) without verified plant-based sourcing. Muslim consumers are advised to seek halal-certified products to ensure compliance with Islamic dietary laws.