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Shea butter is a vegetable fat obtained from the seeds of the shea tree, scientifically known as Vitellaria paradoxa, traditionally produced in the semi-arid regions of West and Central Africa. Also referred to as shea butter, this natural product has been integral to the economic, social, and cultural life of local communities, particularly within the Sahel region, where the shea tree grows naturally. For many years, the processing of shea fruits and the extraction of their oil have constituted

Hypericum perforatum L., commonly known as St. John’s Wort, is a perennial herbaceous plant belonging to the Ranunculaceae family. It has been used for centuries in traditional medical systems as a supportive treatment for wound healing, skin diseases, and various neuropsychiatric disorders. The oil obtained from the flowering parts of this plant, known as St. John’s Wort oil, has become a focal point of modern scientific research due to its pharmacological effects.St. John’s Wort oil contains h

Rosemary (Rosmarinus officinalis L.) is a medicinal and aromatic plant belonging to the Lamiaceae family, indigenous to the Mediterranean region. Although its traditional uses date back centuries, the plant has recently become the subject of scientific research due to its biologically active compounds. Essential oils and extracts obtained from different parts of rosemary have been evaluated for their antimicrobial, antioxidant, and anti-inflammatory properties. It has been demonstrated that thes

Sunflower (Helianthus annuus L.) is an important annual crop belonging to the Asteraceae (daisy) family, primarily cultivated for oil production. Due to its high oil content, ease of cultivation, and versatile applications, it holds strategic importance both in Türkiye and globally.OriginThe native home of the sunflower is North America. It was first used by indigenous Native American communities as a source of pigment and food. Introduced to Europe in the 16th century by Spanish explorers, it b

Oil and Petroleum in the Ottoman Empire, by Volkan Ş. Ediger, is a research documenting the historical processes of the discovery, licensing, and exploitation of oil and petroleum resources within the territories of the Ottoman Empire. The first edition was published in 2005 by ODTÜ Development Foundation Publishing, and the work was reissued in May 2022 by Dergâh Yayınları as number 102 in its History Series.Content and Thematic StructureThe chapters of the book examine the historical evolution