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"Ha-Neul-Ta-Ri"(Trichosanthes kirilowii Max., Cucurbitaceae) cultivated in Korea and used in popular medicine, was investigated for sterol composition of the seed oil. This seed oil contains unusual sterols having delta-7,22, delta7,24- and delta7,22,25- di- and trienols. delta7,22-Stigmastadienol and delta7,22,25-Stigmastatrienol were identified as the major sterols in the oil of Trichosanthes kirilowii by gas liquid chromatographic analysis. The results showed that contents of the seed sterols were campesterol 1.0~1.2%, stigmasterol 1.5~1.7%, delta7,22-campestenol 0.6~0.8%, sitosterol 10.6~11.4%, delta7,22-stigmastadienol 39.1~41.8%, delta7,22-stigmastatrienol 28.9~29.3%, delta7,25-stigmastadienol 14,9-15.5% and delta7,24-stigmastadienol 0.7- 1.0%
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