Rose the flowers; for example, about two thousand flowers are required to produce one gram of oil. The main constituents of attar of roses are the fragrant alcohols geraniol and L-citronellol and rose camphor, an odorless solid composed of alkanes, which separates from rose oil. β-Damascenone is also a significant contributor to the scent. Rose hips are occasionally made into jam, jelly, marmalade, and soup or are brewed for tea, primarily for their high vitamin C content. They are also pressed and filtered to make rose hip syrup. Rose hips are also used to produce rose hip seed oil, which is
Attar of Nishapur of further products of his pen: He also states, in the introduction of the "Mukhtār-Nāma", that he destroyed the "Jawāhir-Nāma' and the "Šarḥ al-Qalb" with his own hand. Although the contemporary sources confirm only `Attar's authorship of the "Dīwān" and the "Manṭiq-uṭ-Ṭayr", there are no grounds for doubting the authenticity of the "Mukhtār-Nāma" and "Khusraw-Nāma" and their prefaces. One work is missing from these lists, namely the "Tadhkirat-ul-Awliyā", which was probably omitted because it is a prose work; its attribution to `Attar is scarcely open to question. In its introduction `Attar mentions three other works of his, including one entitled