First Report on Isolation of N-Isopropyl Palmitamide from the Natural Source Microstylis muscifera: a Potential Chemical Marker for Identification

Distribution, Chemical Constituents and Biological Properties of Genus Malaxis

“…Some other important oil constituents isolated from several Malaxis species are octadecadiynoic acid (106), diethyl phthalate (107), heneicosane (108), hexadecane,2,6,10,14-tetramethyl-(109), docosane (110), heptadecanoic acid, methyl ester (111), pentadecanoic acid, methyl ester (112), 6octadecenoic acid, methyl ester (113), methyl tetradecanoate (114), cyclohexadecanolide ( 115 benzonitrile,2-benzylthio-4-nitro (181), 1-undecanol (182), 3-fluorobenzoic acid, 2-tridecyl ester (183), dodecane, 1-chloro-(184), 2(4H)-benzofuranone,5,6,7,7 A-T (185), 2,6,10-trimethyl,14ethylene-1 (186), oxirane, hexadecyl-(187), s(1S,3R,4R,5R)-3-(E)-3-(3,4-dihydroxyphenyl) acryloyl) oxy)-1,4,5trihydroxy cyclohexane carboxylic acid (188) and cholin (189) etc. [31,[34][35][61][62]…”

“…It was observed that the methanol and ethyl acetate concentrate of this herb contained relatively higher concentration of active constituents than the other solvent extracts. Some other important oil constituents isolated from several Malaxis species are octadecadiynoic acid (106), diethyl phthalate (107), heneicosane (108), hexadecane,2,6,10,14‐tetramethyl‐ (109), docosane (110), heptadecanoic acid, methyl ester (111), pentadecanoic acid, methyl ester (112), 6‐octadecenoic acid, methyl ester (113), methyl tetradecanoate (114), cyclohexadecanolide (115), (+)‐ascorbic A 2,6‐dihexadecanoate (116), thiirane,octyl‐ (117), 1‐butanol,3‐methyl‐, acetate (118), 2‐butanone,4‐hydroxy‐ (119), heptadecanoic acid, 16‐methyl‐, methyl ester (120), 9‐octadecenal, (Z) (121), oxacyclohexadecan‐2‐one (122), 1,2‐oxathiane,6‐dodecyl‐,2,2‐dioxide (123), lignoceric acid (124), methyl margarate (125), 6‐octadecenoic acid, methyl ester, (Z) (126), tert‐hexadecanethiol (127), 11‐hexadecenoic acid, methyl ester (128), butyl oleate (129), eicosanoic acid, methyl ester (130), 9‐tetradecenal, (Z)‐ (131), octadec‐9‐enoic acid (132), heneicosanoic acid (133), 9,9‐dimethoxybicyclo (3.3.1) nona‐2,4‐dione (134), octadecanoic acid (135), 2,6‐diisopropylnaphthalene (136), tridecanoicacid, methyl ester (137), margaric acid (138), methyl (6E)‐6‐octadecenoate (139), cyclopentanetridecanoic acid, methyl ester (140), triarachine (141), DBP; 1,2‐benzenedicarboxylic acid, bis(2‐methylpropyl) ester (142), 8‐octadecanoic acid methyl ester (143), hexadecanoic acid, methyl ester (144), univol U 316S (145), E‐8 hexadecen‐1‐ol acetate (146), oxirane, tetradecyl‐ (147), hexadecanoic acid, 15‐methyl‐, methyl ester (148), cis‐oleic acid (149), cyclopentadecanolide (150), octadecanoic acid, 2‐(2hydroxyethoxy) ethyl ester (151), 13‐octadecenal, (Z)‐ (152), methyl ricinoleate (153), ascorbic acid (154), ethinamate (155), cyclopentane (156), propanamide, 3,3,3‐trifluoro‐2‐ (trifluoro, (157) benzenamine (158), benzenesulfonamide (159), α‐D‐galactopyranosid (160), tetrapentacontane (161), hexadecanoic acid, ethyl ester (162), n‐nonadecanol‐1 (163), ethyl (9Z,12Z)‐9,12‐octadecadienoic acid (164), phytol (165), dotriacontane (166), icosapent (167), 1‐heptacosanol (168), 13‐docosenamide, (Z)‐ (169), ethanol,2‐(eicosyloxy)‐ (170), cyclopentane, 1,3‐bis (methyl (171), benzenamine,2‐methyl (172), 2‐nonanol, 5‐ethyl (173), 2‐butanol, 3‐(1‐methylbutoxy)‐ (174), 4‐nitro‐N‐(2,6‐xylyl) benzenes ulfonami (175), 1‐heptanol, 2,4‐diethyl‐ (176), hexane, 2,4,4‐trimethyl‐ (177), trichloroacetic acid, tridec‐2‐ynyl ester (178), phenol, 3,5‐bis (1,1‐dimethylethyl)‐ (179), oxalic acid, 6‐ethyloct‐3‐yl heptyl ester (180), benzonitrile,2‐benzylthio‐4‐nitro (181), 1‐undecanol (182), 3‐fluorobenzoic acid, 2‐tridecyl ester (183), dodecane, 1‐ chloro‐ (184), 2(4H)‐benzofuranone,5,6,7,7 A‐T (185), 2,6,10‐trimethyl,14‐ethylene‐1 (186), oxirane, hexadecyl‐ (187), s(1S,3R,4R,5R)‐3‐(E)‐3‐(3,4‐dihydroxyphenyl) acryloyl) oxy)‐1,4,5trihydroxy cyclohexane carboxylic acid (188) and cholin (189) etc [31, 34‐35,61‐62] …”