æ“Šƒy[ƒW‚Ö ’ž‘O‚Ėƒy[ƒW‚Ö ŽŸ‚Ėƒy[ƒW‚Ö ÅIƒy[ƒW‚Ö

Sterol

LIPID_IDST0156

CHEM_NA(3ƒĀ,4ƒŋ,5ƒŋ,24Z)-4-METHYLSTIGMASTA-7,24(28)-

DIEN-3-OL

COMMON_NAƒŋ-SITOSTEROL, CITROSTADIENOL

MOL_FORMULAC30H50O

MOL_WT426

MELT_PT164-166ßC(FREE),137ßC(ACETATE),168-172ßC(BENZ

OATE)(136/139)

BOIL_PT

OPT_ROT[ƒŋ]28/D=-1.7(C=2 in

CHCl3),[ƒŋ]25/D=-1.7(ACETATE)(136/139)

REFRA_IND

DENSITY

SOLUBILITYƒAƒ‹ƒR[ƒ‹,ƒxƒ“ƒ[ƒ“, ƒsƒŠƒWƒ“‚ɉ—nĄ(139)

UV_SPEC

IR_SPEC

NMR_SPEC

MS_SPECM/E‚Đ200ˆČã‚Ė%:

M(3),M-15(3),M-(15+18)(-),M-98(57),M=(98+15)(8),

M-(98+18)(3),M-127(3),M-(98+15+18)(4),M-141(100)

,

M-(139+18)(8),M-(141+18)(7),M-165(10),M-181(6),

NOTE_SPEC

SOURCE”ž‰č–û(141/139)CƒR[ƒ“–û(142)A•Ļ‘S”Ę(143)

BIOL_ACTIV

NOTEƒWƒMƒgƒjƒ“‚Æ”―‰ž‚ĩ‚Ä’ū“b‚·‚é(143)BƒVƒgƒƒXƒ^ƒWƒGƒm[

ƒ‹‚Æ“Ŋˆę(144/145)B—§‘Ė‰ŧŠw(140)

1998”N7ŒŽ17“ú429 / 486 ƒy[ƒW