Rheological Properties of Southern Pine Oleoresins

Pine tree oleoresins, complex mixtures of phytochemicals, have historical and ongoing commercial importance, traditionally used for waterproofing boats and contributing to the naval stores industry. Today, they’re crucial for a variety of products like turpentine, fatty acids, and biofuels. Beyond their commercial value, oleoresins play a key role in pine tree defenses against pests and diseases, serving as both a chemical and physical barrier.

This study focuses on understanding the viscosity of oleoresins from four major southern pine species, crucial for the tree’s defensive capacity. Advanced rheological methods provided new insights into the flow and deformation properties of these oleoresins, revealing their ecological and biological importance. The findings offer a foundation for further exploration into oleoresins’ physical properties and their contribution to forest ecology.

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Joshua U. Otaigbe