Papers by Keyword: Benzene/Ethanol Extractives

Abstract: Liriodendron chinense (Hemsl.) Sarg (Chinese tulip tree) has a long history of utilization and plantation, but the chemical components of benzene/ethanol extractives of Liriodendron chinense (Hemsl.) Sarg leaves were unrevealed. The analytical result by method of GC/MS showed that the chemical components of benzene/ethanol extractives of freeze-dried Liriodendron chinense were identified as 55 constituent, and the main components are as: 2-Propenenitrile, 2-chloro- (13.75%), 1-Mercapto-2-heptadecanon (13.10 %), 1-Mercapto-2-heptadecanon (12.77%), Ethanol, 2-butoxy- (12.03%), 1-Docosanol (10.74%), Guanidine, (4-aminobutyl)- (5.05%), 5,10-Pentadecadiyn-1-ol, acetate (4.82%), 1,2,4-Butanetriol (3.13%), Thiophene, 2-ethyltetrahydro- (2.09%), 1-Eicosanol (2.00%), 1-Butanol, 3-methyl-, formate (1.60%), Butanoic acid (1.60%), .alpha.-D-Xylofuranoside, methyl 3,5-di-O-methyl- (1.30%), Phenol, 2,6-dimethoxy-4-(2-propenyl)- (1.29%),5.alpha.-Pregnane-12,20-dione (1.12%), Cyclopentanol (0.82%), etc. As the first report here, our result by GC/MS showed that the benzene-methanol extractive of freeze-dried leaves from Liriodendron chinense (Hemsl.) Sarg can be developed into top value-added materials of medicines and spicery.

Abstract: Platanus × acerifolia (Ait.) Willd has high tolerance to environment stress, and a long history of utilization and plantation in China. It is important to recover and utilize the polluting waste leaves from Platanus × acerifolia (Ait.) Willd in order to separate top value-added bioactive components, hence the chemical components of benzene/ethanol extractive of waste leaves from Platanus × acerifolia (Ait.) Willd by means of GC/MS. Relative content of each component was determined by area normalization, and 19 compounds representing 92.35 % of the extractives were identified. The most abundant constituents were as: The analytical result showed that the main components of benzene-methanol extractive of freeze-dried waste leaves from Platanus × acerifolia (Ait.) Willd by GC/MS analysis were 1,3-Dioxane (24.95%), Ethylbenzene (19.03%), p-Xylene (16.02%), Benzene, 1,2-dimethyl- (6.64%), Indane (4.00%), Heptanal (3.89%), 1-Methyl-2-(4-nitrophenyl)benzimid (3.39%), (11H)Pyrido[3',2':4,5]imidazo[2,1- (3.25%), 10-Methylnonadecane (3.00%), Benzene, 1-ethyl-3-methyl- (2.91%), Benzene, 1-ethyl-3-methyl- (2.65%), Benzene, 1-ethyl-2-methyl- (2.46%), 2,5-Cyclohexadien-1-one, 2,5-dimethyl- (1.74%), Docosane, 7-butyl- (1.52%), 1-Amino-2-(hydroxymethyl)anthraqui (1.47%), Acetaldehyde - (0.89%), etc. Our result by GC/MS firstly showed that the benzene-methanol extractives of freeze-dried waste leaves from Platanus × acerifolia (Ait.) Willd can be used as top value-added materials of medicines, cosmetics and industrial solvents.

Abstract: Researches about the analysis and identificaion of chemical components of old bark from Cinnamomum camphora trunk were very less. Therefore, 550 °C-based pyrolysis- GC/MS technology was used to identify the top value-added biomedical constituents of old bark-based benzene/ethanol extractives from C. camphora trunk. 107 chemical constituents representing 99.316% were identified from 120 peaks. The main components are as: 1-Nonadecene (6.313% from two peaks), Octacosane (5.749% from two peaks), Octacosanoic acid, methyl ester (4.706%), 9-Tricosene, (Z)- (4.273% from seven peaks), 2-Methoxy-4-vinylphenol (2.385% from three peaks), Pyridine-3-carboxamide, oxime, N-(2-trifluoromethylphenyl)- (2.320% from three peaks), 25-Noroleana-9,12-dien-29-oic acid, 5-methyl-11-oxo-, (18.alpha.)- (2.165%), Cyclotriacontane (2.117%), Nonacosane (1.947%), 2-Pentene, (E)- (1.933%), Octadecane (1.932% from two peaks), Octacosane (1.898%), Hexacosanoic acid, methyl ester (1.861%), 1,2-Benzenedicarboxylic acid, butyl 2-methylpropyl ester (1.849%), Tetracosanoic acid, methyl ester (1.774%), 1-Hexene (1.742), Cyclotetracosane (1.719%), Hexadecane (1.435% from two peaks), etc. The result of functional analysis suggested that the 550 °C pyrolyzate of benzene/ethanol extractives from C. camphora old bark is abundant in biomedical constituents and other bioactive components, which can be used as top value-added materials of high-grade cosmetic, food, spice and chemical solvents.

Abstract: Rosewood tree has high adaptability to environment and tolerance to water stress, and a long history of utilization and plantation in many countries. However, researches on Rosewood were mostly focused on the biomass analyses and utilizations of its wood, and lacked those to analyze the chemical components of extractives of Rosewood leaves, which was very important to recover and utilize the polluting waste Rosewood leaves. Therefore, the chemical components of benzene/ethanol extractives of Rosewood leaves were analyzed by method of GC/MS in order to identify top value-added bioactive components from waste leaves of Rosewood tree. The analytical result showed that the main components of benzene/ethanol extractives of freeze-dried Rosewood leaves by GC/MS analysis were identified 16 constituent (16 peaks) as: Ethanol, 2-butoxy- (40.36%), 2-O-Methyl-D-mannopyranosa (18.22 %), Hydrazine, 1,1-dipropyl- (6.09%), 1-Docosanol (5.59%), 1-Eicosanol (5.28%), Oxirane, hexadecyl- (3.63%), trans-2,4,5-Trimethoxy-.beta.-methyl- (3.50%), Bicyclo[3.1.1]heptane, 2,6,6-trimethyl- (2.53%), 9,12,15-Octadecatrienoic acid, methyl- (2.43%), Tetratetracontane (2.31%), Hexadecane, 1-(ethenyloxy)- (2.27%), Cholan-24-oic acid, 7,12-bis(acetyloxy)-3-ethoxy-, methyl ester, (3.alpha.,5.beta.)- (2.10%), Hexatriacontane (2.02%), Phytol (1.76%), Octadecane, 1-chloro (1.08%), etc. As the first report here, our result by GC/MS showed that the benzene-methanol extractive of freeze-dried Rosewood leaves can be developed into top value-added materials of medicines, biofuel, and industrial solvents.

Abstract: The production of noble Cinnamomum camphora oil from C. camphora leaves and twigs brings a mass of extracting wastewater which is pollutive to water environment. In order to better utilize and recover the productive wastewater from the Eucalyptus oil, we used GC/MS to analyze the possible top value-added components of benzene/ethanol extractives of leaves and twigs of C.camphora. The analytical result showed that only 15 compounds were identified from the benzene/ethanol extractive of C. camphora trigs, and 29 compounds from 30 peaks were identified from the benzene/ethanol extractive of C. camphora leaves. The analytical result showed that the main components of the benzene/ethanol extractive of C. camphora twigs by GC/MS are as: Bicyclo[2.2.1]heptan-2-one, 1,7,7-trimethyl-, (1R)- (36.85%), Linalyl propanoate (23.58%), Eucalyptol (10.07%), 1,3-Benzodioxole, 5-(2-propenyl)- (8.88%), 4,4-dimethylcholest-7-ene-3-ol (5.81%), Cyclopentanol (3.37%), 1,2,4-Cyclopentanetrione, 3-(2-pentenyl)- (2.52%), etc. The result by GC/MS analysis showed that the benzene/ethanol extractive of leaves of C. camphora are as: Eucalyptol (58.51%), 3-Cyclohexene-1-methanol, .alpha.,.alpha.4-trimethyl- (13.98% from two peaks), Sabinene (4.45%), 1-Mercapto-2-heptadecanone (2.69%), Phytol (2.29%), Camphene (1.94%), 1-Eicosanol (1.81%), Caryophyllene (1.63%), 1,3-Benzodioxole, 5,5'-(tetrahydro- 1H,3H-furo[3,4-c]furan-1,4-diyl)bis-, [1S-(1.alpha.,3a.alpha.,4.beta.,6a.alpha.)]- (1.50%), 1-Penten- 3-ol (1.01%), beta.-Pinene (0.86%), etc. There are many important constituents of rare natural medicine, cosmetic and spicery in the benzene/ethanol extractive of twigs and leaves of C. camphora.

Abstract: The oil-tea cake is the particular byproduct during producing tea-oil from seeds of Camellia oleifera (oil-tea tree). However, the current processing and utilization of oil-tea cake is still low economic benefit and also low value-added. Therefore, 300°C-based pyrolysis- GC/MS technology was used to analyze the top value-added bioactive components of benzene/ethanol extractives of oil-tea cake. The analytical result showed that 14 peaks were obtained from the 300°C pyrolyzate of benzene/ethanol extract of oil-tea cake, and 13 compounds representing 99.16% of the total areas were identified. The MS analytical result showed that the main components of pyrolyzates of benzene/ethanol extractives of oil-tea cake by 300°C pyrolysis- GC/MS were identified as: ethyl oleate; 14-pentadecenoic acid; pentadecanoic acid, ethyl ester; hexadecanoic acid, 2-hydrsoxy-1,3-propanedryl ester; pentadecanoic acid, ethyl ester; squalene; 1,2-benzenedicarboxylic acid, butyl 2-methylpropyl ester; 1,2-benzenedicarboxylic acid, 3-nitro-; etc.The results of function analyses showed that the 300°C pyrolyzate of benzene/ethanol extractives of oil-tea cake contains abundant bioactive components of rare natural medicinal materials, and also contain many components which can be developed into two value-added materials of industrial chemical and high-grade spice.

Abstract: The bamboo resource is very abundant in China, and both species and yield of bamboo are the first in the world. In the countryside of China, farmers often used the extractives of bamboo root to cure some special diseases; however, the biomedical constituents of extractives of bamboo root are still not completely explained. Therefore, 450 °C pyrolysis- GC/MS technology was used to identify the top value-added biomedical constituents of root-based benzene/ethanol extractives from the richest bamboo species “Moso bamboo”. After treatment of benzene/ethanol extraction, the extractives obtained was fully pyrolyzed at 450 °C in He atmosphere, and then the 450 °C pyrolyzate obtained was analyzed by online-linked GC/MS. Relative content of each component was determined by area normalization. 59 chemical constituents representing 97.62% were identified from 64 peaks. The analytical result showed that the 450 °C pyrolyzate of benzene/ethanol extractives from Moso bamboo root is abundant in biomedical constituents, and also contains other bioactive components, which can be used as top value-added materials of high-grade cosmetic, food, spice, and chemical. The result will be useful to expedite biomedical development of root extractives, and to provide further scientific foundation for its top value-added application of bamboo resources.

Abstract: The extractives of C. camphora old bark were used to cure some special diseases; however, the biomedical constituents of extractives of C. camphora old bark are still not completely explained. Therefore, 350 °C-based pyrolysis- GC/MS technology was used to identify the top value-added biomedical constituents of old bark-based benzene/ethanol extractives from C. camphora trunk. 74 chemical constituents representing 99.17% were identified from 86 peaks. The main components are as: Dodecanoic acid, 1-(hydroxymethyl)-1,2-ethanediyl ester (15.717%), Octacosanoic acid, methyl ester (10.357%), Abietic acid (8.483%), Heptacosane (5.678%), Ethyl alcohol (5.282%), Hexadecanoic acid, 2-hydroxy-, methyl ester (3.365%), Hexacosanoic acid, methyl ester (2.936%), 1,2-Benzenedicarboxylic acid, butyl 2-methylpropyl ester (2.928%), 2-Methoxy-4-vinylphenol (2.692%), Hexadecanoic acid, ethyl ester (2.312%), Hexacosane (2.076%), Tetracosanoic acid, methyl ester (2.013%), etc. The analytical result showed that the 350 °C pyrolyzate of benzene/ethanol extractives from C. camphora old bark is abundant in biomedical constituents, and also contains other bioactive components, which can be used as top value-added materials of high-grade cosmetic, food, spice and chemical solvents.

Abstract: Chinese Hackberry (Celtis sinensis) tree has high adaptability to environment and tolerance to water stress, and a long history of utilization and plantation in many countries. However, researches on Chinese Hackberry were mostly focused on the biomass analyses and utilizations of its wood, and lacked those to analyze the chemical components of extractives of Chinese Hackberry leaves, which was very important to recover and utilize the polluting waste Chinese Hackberry leaves. Therefore, the chemical components of benzene/ethanol extractives of Chinese Hackberry leaves were analyzed by method of GC/MS in order to identify top value-added bioactive components from waste leaves of Chinese Hackberry tree. The analytical result showed that the main components of benzene/ethanol extractives of freeze-dried Chinese Hackberry leaves by GC/MS analysis were identified 10 components (106 peaks) as: Sesquirosefuran (48.57%), Thiophene, 2-ethyltetrahydro- (20.01 %), Hexatriacontane (8.67%), Octadecane (8.60%), 1-Eicosanol Pregn-4-en-3-one, 20-hydroxy-, (20R)- (4.52%), 1-Amino-2-(hydroxymethyl)anthraquinone (3.63%), 1,3-Diphenyl-(4H)1,2,4-triazoline- (1.92%), Tricyclo[4.3.1.13,8]undecane-1-carboxylic acid (1.69%), Eucalyptol (1.60%), etc. As the first report here, our result by GC/MS showed that the benzene-methanol extractive of freeze-dried Chinese Hackberry leaves can be developed into top value-added materials of spicery, biomedicines, and biofuel.

Abstract: In order to separate top value-added bioactive components from waste leaves of Phoenix tree and hence decrease its pollution to water environment, we attempted to analyze the chemical components of benzene/ethanol extractive of Phoenix leaves by means of GC/MS. Relative content of each component was determined by area normalization, and 10 compounds representing 94.37 % of the extractives were identified. The most abundant constituents were as: Ethanol, 2-butoxy- (47.49% from two peaks), exanoic acid, ethyl ester (22.89%), 1-Butyne, 3-chloro- (17.04%), Bicyclo[3.1.1]heptane, 2,6,6-trimethyl- (3.17%), cis-2,3,5-Trimethoxy-.beta.-methyl- (2.91%), Cyclohexanone, 3-hydroxy- (2.20%), 2,5-Cyclohexadien-1-one, 2,5-dimethyl- (1.35% from two peaks), cis-11-Hexadecen-1-yl acetate (1.04%), Octadecane (1.00%), etc. As the first report here, our result by GC/MS showed that the benzene-methanol extractive of freeze-dried Phoenix leaves can be developed into top value-added materials of medicines, biofuel and solvents.