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Note: This article was AI-translated from Arabic and is currently under manual review. The author is not responsible for any translation errors. Please refer to the original Arabic text for the most accurate and authoritative information.
Amid the massive crowd in the halls of the Anuga International Fair in Germany, Hajj Sayed, an olive oil producer, paused in front of a pavilion displaying products he never expected to be linked to olives: nutritional powders, cosmetics, biofuels, and even materials used in bioplastics manufacturing.
His friend approached him and asked: "Are all these products made from olives?"
Hajj Sayed: "Not just from olives... from olive waste!"
Friend: "You mean the pits, skins, and pomace?"
Hajj Sayed: "Yes, what we used to consider a burden and a disposal cost has now become a new source of revenue for factories and farms around the world."
Hajj Sayed’s words were no exaggeration. According to the International Olive Council, global olive oil production reached approximately 3.57 million tons during the 2024–2025 season, reflecting the immense size of this sector and the vast quantities of valuable byproducts it generates.
For many years, olive pits, skins, and pomace were treated as agricultural waste that needed to be discarded. However, the global shift toward sustainability and the circular economy has completely transformed this perspective.
European industry experiences indicate that olive pressing yields an average of 20% olive oil alongside 80% wet byproducts that can be recycled and economically exploited. Some European companies have successfully achieved a "zero-waste" model by utilizing these materials to produce fuel, animal feed, and various industrial supplies.
In recent years, olive pits have drawn the attention of health food companies after studies revealed their high content of dietary fiber and antioxidant polyphenols.
Specialized companies have begun producing olive pit flour, which is used in healthy baked goods, bread doughs, pastries, and functional food products. This leverages its high nutritional value and natural compounds sought by health-conscious consumers. Research confirms that olive byproducts contain high-value bioactive compounds ideal for the food industry.
Olive pomace—the mixture of pulp, skin, and pit remnants left after oil extraction—has become a key source of biofuel in many olive-producing countries.
European data shows that parts of this waste are processed into olive pit biomass fuel, while pomace can be dried and compressed to produce high-efficiency fuel for heating stoves and industrial ovens, reducing reliance on conventional energy sources and lowering the environmental footprint of agricultural waste.
The utilization of olive byproducts also extends to agriculture. Pomace and olive leaves are used in some regions as livestock feed ingredients, while other fractions enrich soil and contribute to organic fertilizer production.
European models demonstrate that mill byproducts can be repurposed into animal feed and soil conditioners rather than being discarded as waste, advancing the circular economy and cutting costs for farmers.
The pharmaceutical industry is equally invested in this trend. Recent research highlights that olive byproducts are rich in bioactive compounds such as hydroxytyrosol and oleuropein—molecules receiving growing interest in pharmaceuticals and dietary supplements.
Additionally, pit powders and extracted cellulose fibers are being used in pharmaceutical formulations due to their suitable physical properties and seamless integration capabilities.
In the personal care sector, ground pit particles are now used in natural exfoliants, toothpastes, and cosmetics seeking eco-friendly alternatives to synthetic ingredients.
This aligns with the rapid global growth of natural and eco-friendly products, where olive byproducts offer sustainable solutions that balance high performance with reduced environmental impact.
Perhaps the most exciting application lies in the biomaterials sector. A growing number of companies and research centers are integrating pit powders and olive residues to develop bio-based materials and biodegradable plastics, aiming to reduce dependence on petroleum products and promote industrial sustainability.
Scientific research underlines this momentum, revealing that olive pomace is a rich source of bioactives and that up to 98% of the antioxidant phenolic compounds present in the fruit remain in the pomace after oil extraction, making it a promising raw material for modern industries.
At the end of his tour through Anuga, Hajj Sayed’s friend turned to ask him once more:
"So where does the true value of olives lie today?"
Hajj Sayed smiled and replied: "The value is no longer just in the oil... it is in everything we used to toss aside after pressing."
Hajj Sayed’s words encapsulate the global transformation underway: the olive tree is no longer merely a source of oil, but the pillar of an integrated industrial system spanning functional foods, bioenergy, pharmaceuticals, cosmetics, and advanced biomaterials. As the world continues to search for sustainable solutions, what was once considered waste is emerging as one of the most promising resources in the modern green economy.