Linn.Family: Compositae; Asteraceae.
Habitat: Native to America. Cultivated in India.
English: Sunflower.Ayurvedic: Suurajmukhi, Su- uryaavarta.Siddha/Tamil: Suryakanti.Action: Seeds—build up physical endurance and resistance against diseases; a decoction is used in coughs and colds, bronchial, laryngeal and pulmonary affections, whooping cough, also as a febrifuge and diuretic.
The seeds contain a fatty oil (3748%), rich in polyunsaturated acids (linoleic 70%, oleic 20%). The oil also contains tocopherols (alpha-type 92% of the total) and phytosterol (beta- sitosterol 154 mcg/100 g). In Europe and USA, several hybrids produce oils rich in oleic acid. Sunflower oil is reported to decrease the risk of coronary and arterial diseases.Extracted oil from dehulled seeds (chlorogenic acid, present in hulls, interferes with lipid metabolism) reduced serum and hepatic cholesterol in healthy women.The tubers of Helianthus tuberosus Linn., a related species, consists mainly of inulin. The dried tubers can be utilized in diabetic products. The tuber concentrate as food diminishes the risk of developing arteriosclerosis. It is advantageous in the diet of patients with gout, chronic renal diseases, and for obesity control.
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