(1) Compared with bipinnatifidusoside F2, majoroside F3 was corrected as dammar-22(23)-ene-3 beta, 12 beta,20(S),24 zeta-tetraol-(20-O-beta-D- glucopyranosyl)-3-O-beta-D-glucopyranoside.
(2) By spectrometric analysis(FAB-MS,1H and 13CNMR,1H-1H COSY), their structures were elucidated as dammar-25(26)-ene-3 beta, 12 beta, 20(S),24 zeta-tetraol-(20-O-beta-D-glucopyranosyl)-3-O- beta-D-glucopyranosyl(1-2)-beta-D-glucopyranoside (bipinnatifidusodie F1) and dammar-22(23) ene-3 beta, 12 beta, 20(S),24 zeta-tetraol-(20-O-beta-D-glucopyranosyl)-3-O-beta- D-glucopyranosyl(1-2)-beta-D-glucopyranoside (bipinnatifidusoside F2), respectively.
(3) A new triterpene alcohol was isolated from shea butter and its structure was shown to be 24-methylenedammarenol (24-methylene-5alpha-dammar-20[21]-en-3beta-o1).
(4) Nine triterpenes with antiviral activity against Herpes simplex virus types I and II in vitro were isolated from dammar resin.
(5) By means of FAB-MS and 13CNMR, their structures were elucidated as dammar-22(23)-ene-3 beta, 6 alpha, 12 beta, 20(S), 24 section-pentaol- (20-O-beta-D-glucopyranosyl)-6-O-alpha-L-rhamnopyranosyl (1-2)-beta-D- glucopyranoside (majorosids F5) and dammar-23(24)-ene-3 beta, 6 alpha, 12 beta, 20(S), 25-pentaol-(20-O-beta-D- glucopyranosyl)-6-O-alpha-L-rhamnopyranosyl(1-2)-beta-D-glucopyranoside (majoroside F6).
Dammara
Definition:
(n.) An oleoresin used in making varnishes; dammar gum; dammara resin. It is obtained from certain resin trees indigenous to the East Indies, esp. Shorea robusta and the dammar pine.
(n.) A large tree of the order Coniferae, indigenous to the East Indies and Australasia; -- called also Agathis. There are several species.
Example Sentences:
(1) The component resin of the surgical adhesive implicated (Alphacopal) is a Manilla resin, produced by a variety of Agathis dammara (Lamb.)
(2) Dammaradienol (5alpha-dammara-20[21],24-dien-3beta-o1) also was isolated from shea butter.