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There are three primary types of plant oil, differing both the means of extracting the relevant parts of the plant, and in the nature of the resulting oil: Vegetable fats and oils were historically extracted by putting part of the plant under pressure, squeezing out the oil. Macerated oils consist of a base oil to which parts of plants are added.
It is an economically important species due to its male inflorescence which are used for the fragrant tender white spathes covering the flowers. The perfumery products including Kewda attar, Kewda water and Kewda oil (rooh Kewda) derived from this plant are. The Ganjam district of Odisha supplies about 85-90% of the India's kewda essence.
The flower is a vital ingredient in Kewra and is used in special-occasion dishes in South Asia, particularly those associated with Muslim communities. [2] Kewra flowers have a sweet, perfumed odour with a pleasant quality similar to rose flowers, but kewra is more fruity. The aqueous distillate (kewra water, pandanus flower water) is quite diluted.
The essential oil of this plant, which contains the chemical compound geraniol, is valued for its scent and for traditional medicinal and household uses. Palmarosa oil may be an effective insect repellent when applied to stored grain and beans, [5] an antihelmintic against nematodes, [6] and an antifungal and mosquito repellent. [7]
Until the 1940s, camelina was an important oil crop in eastern and central Europe, and currently has continued to be cultivated in a few parts of Europe for its seed oil. Camelina oil was used in oil lamps (until the modern harnessing of natural gas , propane , and electricity ) and as an edible oil (camelina oil, also referred to as wild flax ...
Jatropha plant Jatropha plant Jatropha plant. Jatropha is a genus of flowering plants in the spurge family, Euphorbiaceae.The name is derived from the Greek words ἰατρός (iatros), meaning "physician", and τροφή (trophe), meaning "nutrition", hence the common name physic nut.
Davana essential oil. The leaves and flowers yield an essential oil known as oil of Davana. Several species yield essential oil and some are used as fodder, some of them are a source of the anthelmintic chemical santonin. Davana blossoms are offered to Shiva, the God of Transformation, by the devotees, and decorate his altar throughout the day.
Helichrysum italicum essential oil in glass vial. Several species are grown as ornamental plants, and for dried flowers. When cut young and dried, the open flowers and stalks preserve their colour and shape for long periods.