Essential oil characteristics and effects, but also the products of the very same tree can vary grossly. Lavender oil has long been used in the production of perfume. However, it can be estrogenic and antiandrogenic, causing problems for prepubescent boys and pregnant women, in particular. Lavender essential oil is also used as an insect repellent. Rose oil is produced from the petals of "Rosa damascena" and "Rosa centifolia". Steam-distilled rose oil is known as "rose otto", while the solvent extracted product is known as "rose absolute". The potential danger of an essential oil is sometimes relative to its level or grade of
Nelumbo nucifera dish. In Kerala (in Malayalam "താമര") and Tamil Nadu, this end product is called " Thamara Vathal". In [China] and Korea, lotus leaf tea (연잎차 "yeonipcha") is made from the leaves of the lotus. In Korea, lotus flower tea (연꽃차 "yeonkkotcha") is made from the dried petals of the white lotus. The stamens can be dried and made into a fragrant herbal tea (), or used to impart a scent to tea leaves (particularly in Vietnam). This Vietnamese lotus tea is called "trà sen", "chè sen", or "chè ướp sen". The petals, leaves and rhizome can also all be eaten