Essential oil which is then collected in the receiving vessel. Most oils are distilled in a single process. One exception is "ylang-ylang" ("Cananga odorata") which is purifed through a fractional distillation. The recondensed water is referred to as a hydrosol, hydrolat, herbal distillate, or plant water essence, which may be sold as another fragrant product. Hydrosols include rose water, lavender water, lemon balm, clary sage, and orange blossom water. The use of herbal distillates in cosmetics is increasing. Most citrus peel oils are expressed mechanically or cold-pressed (similar to olive oil extraction). Due to the relatively large quantities of oil in citrus
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