Palm Bunch Ash is a byproduct of burning the leftover bunches of fruit from the oil palm tree (Elaeis guineensis), typically after the fruit has been harvested for oil extraction. It is a fine, light-gray ash that contains various mineral compounds, including potassium, calcium, magnesium, and phosphorus, which are commonly found in the fiber and seeds of the palm fruit bunches. Palm bunch ash is primarily produced in areas where oil palm is cultivated, particularly in tropical regions of Southeast Asia and West Africa.

Traditionally, palm bunch ash has been used in agriculture as a natural fertilizer due to its high potassium content, which is essential for plant growth and improving soil health. It is also used in some regions for soap-making, and its alkaline properties make it effective as a cleaning agent or even in the preparation of traditional food items. In some cultures, it has been used in the preparation of alkaline plant-based food products, such as certain varieties of cassava, to reduce cyanogenic compounds and make the food safer for consumption.

While palm bunch ash is a valuable resource in various industries, it should be handled with care. Due to its high pH, it can be caustic and may cause skin irritation if in direct contact. Additionally, excessive use of palm bunch ash in agriculture can lead to nutrient imbalances in the soil. Proper management and balanced application are recommended to avoid negative impacts on the environment.