Papers by Author: Qing Zhi Ma

Abstract: Cunninghamia lanceolata has been the dominated species of plantation forest in South China. However, the most products made from Cunninghamia lanceolata biomass are lower value added. In order to obtain top value-added products, health function of Cunninghamia lanceolata biomass were studied by TD-GC-MS. Relative content of each component was determined by area normalization. The main 40°С volatiles were 1-propanone, 2-amino-1-phenyl-(14.22%), benzene (11.17%), acetic acid (10.16%), cyclopentanecarboxylic acid, 1-(2-butenyl)-2-oxo-, ethyl ester, (e)-( 7.56%), 1h-cyclopenta [1,3] cyclopropa [1,2] b enzene, octahydro-7-methyl-3-methylene-4-(1-methylethyl)-(6.24%), etc. And the main 60°С volatiles were cedrol (29.65%), acetic acid (12.35%), cyclopentanecarboxylic acid, 1-(2-butenyl)-2-oxo-, ethyl ester, (e)- (7.78%), 1,6-cyclodecadiene, 1-methyl-5-met hylene-8-(1-methylethyl)- (6.11%), etc. So Cunninghamia lanceolata biomass had health function under indoor temperature. Keywords: Health function; Cunninghamia lanceolata; Biomass; TD-GC-MS

Abstract: Phyllostachys heterocycla begins to be used for black bamboo with high added value. However, the pyrolysis products were severely wasted. Therefore, the chemical components from Phyllostachys heterocycla were identified by TD-GC/MS after concentration. The main constituents of 150°С volatiles were acetic acid (46.75%), carbon disulfide (4.90%), 2-furanmethanol (4.10%), benzofuran, 2,3-dihydro-(3.63%), formic acid (3.27%), 2-propanone, 1-hydroxy-(2.80%), 2-propenoic acid, 2-hydroxyethyl ester (2.64%), dimethyl ether (2.15%), .beta.-pinene (1.84%), camphor (1.71%), etc. The main constituents of 180°С volatiles were acetic acid (20.66%), benzofuran, 2,3-dihydro-(14.49%), furfural (8.86%), formic acid (8.37%), 2-furanmethanol (4.17%), 4h-pyran-4-one, 2,3-dihydro-3,5-dihydroxy-6-methyl-(3.74%), 2(5h)-furanone (2.83%), 2-propanone, 1-hydroxy-(2.74%), etc. The main components of pyrolysis products of Phyllostachys heterocycla in heat charring could also be used as bioenergy materials, but were not only abundant and healthy to human.

Abstract: Pinus massoniana Lamb has been used to heal some specific diseases in the Chinese Folk for a long time. In order to explore the wide utilization in biomedicine and spicery, the chemical components of helium extractives from the fresh wood of Pinus massoniana Lamb was studied by TD-GC/MS. The results showed that the main components were 1,4-Methanoazulene, decahydro-4,8, 8-trimethyl-9-methylene- (29.98%), 1,4-Methanoazulen-9-ol, decahydro-1,5,5,8a-tetramethyl- (10.32%), 1R-.alpha.-Pinene (8.33%), 1,2,4-Methenoazulene, decahydro-1, 5,5,8a-tetramethyl- (4.72%), Borneol (2.99%), Thujopsene (2.80%), 1-Phenanthrenecarboxaldehyde, 7-ethenyl-1,2,3,4,4a,4b, 5,6,7,9,10,10a- dodecahydro-1,4a,7-trimethyl- (2.53%), Bicyclo[2.2.1]heptan-2-one, 1,7,7- trimethyl-, (1R)- (2.52%), Caryophyllene oxide (2.40%), Tricyclo[5.4.0.0(2,8)]undec-9-ene, 2,6,6,9-tetramethyl- (2.32%), 1,3-Benzodioxole, 5-(2-propenyl)- (2.274%), Acetic acid (2.07%), Eucalyptol (1.70%), Eucalyptol (1.70%), Benzaldehyde, 4-hydroxy- (1.61%), etc. The analytical result suggested that the helium extractives from the fresh wood of Pinus massoniana Lamb could be used as industrial materials of biomedicines and spicery.

Abstract: Pinus has been put into mass production. However, many heat release volatiles would produce air pollution during drying process. Therefore, the heat release behavior of Pinus biomass was studied by TD-GC/MS. The main constituents were at 100°С 1,4-methanoazulene,decahydro-4,8, 8-trimethyl-9-methylene-(30.6%), 1,4-methanoazulen-9-ol,decahydro-1,5,5,8a-tetramethyl-(14.85%), 1,2,4-methenoazulene, decahydro-1,5,5,8a-tetramethyl-(8.56%), 1r-.alpha.-pinene(7.92%), epiglobulol(4.57%), bicyclo[2.2.1]heptan- 2-one, 1,7,7- trimethyl-, (1r)- (4.33%), caryophyllene oxide(3.37%), etc. And the main constituents at 110°С were 1,4-methanoazulene, decahydro-4,8, 8-trimethyl-9-methylene-(40.31%), 1,4-methanoazulen-9-ol, decahydro-1,5,5,8a-tetramethyl-(15.35%), .alpha.-pinene(8.88%), bicyclo [2.2.1]heptan-2-one, 1,7,7- trimethyl-, (1r)- (5.73%), cyclohexane-1,3-dione, 2-allylamin omethylene-5,5-dimethyl-(5.24%), naphthalene, 1,1'-(1,2-ethanediyl) bis[decahydro-(4.83%), spiro[5.5]undec-2-ene,3,7,7-trime thyl-11-methylene-(4.05%), etc. The heat release volatiles of Pinus biomass was safe to people during drying process.

Abstract: Black bamboo is becoming a major biomass in rooms. Therefore, the chemical components from black bamboo were identified by TD-GC/MS. The main function components of black bamboo biomass at 40°С were acetic acid(24.71%), 1,1,1,5,7,7,7-heptamethyl-3,3-bis(trimethylsiloxy)tetrasiloxane(17.58%), 1h-indole-2-carboxylic acid,6-(4-ethoxyphenyl)-3-methyl-4-oxo-4,5,6,7-tetrahydro-, isopropyl ester(16.85%), cyclooctasiloxane, hexadecamethyl-(15.28%), cyclotrisiloxane, hexamethyl-(4%), etc. And the main function components at 50°С were acetic acid(40.39%), 1,1,1,5,7,7,7-heptamethyl-3,3-bis(trimethylsiloxy)tetrasiloxane(24.47%), octasiloxane,1,1,3,3,5,5,7,7,9,9, 11,11,13,13,15,15-hexadecamethyl-(16.39%), bicyclo[2.2.1]heptan -2-one, 1,7,7- trimethyl-, (1s)- (3.73%), tricyclo[2.2.1.0(2,6)]heptane, 1,7-dimethyl-7-(4-methyl-3-pentenyl)- , (-)-(3.57%), etc. Black bamboo biomass was more healthy to human at 40°С than 60°С. So black bamboo biomass was fit to use in rooms.

Abstract: Smoked bamboo has been put into mass production. However, many heat release volatiles would produce air pollution during thermoplasticization process. Therefore, the heat release behavior of smoked bamboo biomass was studied by TD-GC/MS to make full use of and prevent the pollution of the volatile materials. The main constituents were acetic acid(43.95%), cyclotrisiloxane, hexamethyl-(15.89%), octasiloxane, 1,1,3,3,5,5,7,7,9,9, 11,11,13,13,15,15-hexadecamethyl-(8.22%), 1,3-benzodioxole, 5-(2-propenyl)- (4.8%), cyclodecasiloxane, eicosamethyl-(4.51%), etc at 100°С. And the main constituents were acetic acid(42.05%), 1-phenanthrenecarboxaldehyde,7-ethenyl- 1,2,3,4,4a, 4b,5,6,7,9,10,10a-dodecahydro-1,4a,7-trimethyl-(8.42%), bicyclo[2.2.1]heptan-2-one, 1,7,7-trimethyl-,(1r)- (8.12%), cyclotrisiloxane, hexamethyl-(6.17%), 1,3-benzodioxole, 5-(2- propenyl)-(5.26%), 4-nitro-4'-chlorodiphenylsulfoxide(3.13%), etc at 115°С. The heat release volatiles of smoked bamboo biomass might be used as biomedicines. Particularly, the volatiles had good application prospects and popularized value in purification of cedrol and acetic acid.

Abstract: Bamboo leaves has been used to heal some diseases in the Chinese Folk for a long time. In order to explore the wide biomedicine utilization, the chemical components of benzene-alcohol extractives from the fresh bamboo leaves was studied by Py-GC/MS. The results indicated that the main components were decanoic acid, 1,2,3-propanetriyl ester(5.6%), 9-octadecyne(3.21%), tricosane (2.88%), .gamma.-sitosterol(2.81%), phenylpropionic acid,.alpha.-amin o-2-fluoro-4-hydroxy-5- methoxy-(2.76%), stigmastan-3,5-diene(2.69%), 4h-benzo[f]pyrrolo[1,2-a][1,4]diaz epine, 4-(2-phenyl -propyl)-5,6- dihydro-(2.67%), vitamin e(2.51%), nonacosane(2.25%), tetratetracontane (2.25%), .beta.-tocopherol(2.04%), etc. So the benzene-alcohol extractives of bamboo leaves could be used as biomedicines.

Abstract: To further utilize Eucalyptus leaves in biomedicine and put forward new ideas for biomedical manufacturing, the biomedical resources of extractives of Eucalyptus camaldulensis and Eucalyptus urophylla leaves were analyzed by GC/MS. The results showed that: 1) The main constituents of benzene/ethanol extractives in E. camaldulensis leaves were 1-butanol, 4-butoxy- (14.97%), 2-furancarboxaldehyde, 5-(hydroxym ethyl)- (12.16%), 1,2,3-benzenetriol (10.97%), d-allose(8.59%), 1,4,7,10,13,16-hexaoxanonadecane, 18-propyl-(6.82%), 1,1'-biphenyl, 2,4'- dimethyl- (6.21%), 1-benzoxiren-3-ol(5.58%), α-tocopherol-β-d-mannoside(3.77%), benzene, 1-methyl-2-(phenylmethyl)- (3.61%), methyl β-d-galactopyranoside(3.41%), etc. 2) The main constituents of benzene/ethanol extractives in E. urophylla leaves were 1,2,3-benzenetriol(15.22%), 1,4,7,10,13,16-hexaoxanonadecane, 18-propyl-(8.66%), 3,6,9,12-tetraoxatetradecan-1-ol, 14-[4- (1,1,3,3-tetramethylbutyl)phenoxy]-( 5.79%), naphthalene, 1,2,4a,5,8,8a-hexahyd ro-4,7-dimethyl-1 -(1-methylethyl)- (4.93%), 1,2,3-butanetriol(3.61%), ethyl α-d-glucopyranoside(3.29%), 2-furancarboxaldehyde, 5-(hydroxym ethyl)- (3.27%), 4h-1,3,2-dioxaborin, 2-ethyl-4-met hyl-4,6-bis(2-methylpropyl)- (3.19%), vitamin e(2.97%), etc. The results of function analyses suggested that the benzene/ethanol extractives of both E. camaldulensis and E. urophylla leaves were abundant in materials of noble natural biomedicines.

Abstract: Bamboo forest was a dominantly ecological and sustainable economic recources. However, bamboo extractives and hemicellulose were nearly complete dissolved out in preparation of the fiber, this would result in more serious water pollution and meanwhile bring a great waste of biological resources. Thereby, In order to obtain the way to lower the negative impact of the extractives and hemicellulose, the Phyllostachys pubescens biomass was treated in alkaline solutions at room temperature and the extractives obtained was analyzed by SIZER basen on the full-factor method. The results were following as: (1) Sort of alkaline and concentration of alkaline had a significant influence on the leaching rate of particles at 0.01 level. And the optimal concentrations of KOH, NaOH, LiOH were 16.0%, 17.5% and 17.5% at 25°С, respectively. (2) Pretreatment, extraction time and sort of alkaline had no influence on the leaching rate of particles. But the benzene/ethanol pretreatment was valuable and necessary. when 16% NaOH and 17.5% KOH were used, the optimal extraction time were all 16h to untested and tested samples.

Abstract: Bamboo is so easily Mouldy that bamboo products have no high value added utilization. Therefore, the effect of red extractives from 18 plantation woods on bamboo biology moulding was studied based on full-factor test. The results were: (1) The red extractives of plantation could mostly inhibit the growth of Penicillium expansum, but a few could inhibit the growth of Aspergillus niger. (2) The red extractives of Cunninghamia lanceolata bark and shavings, Deodar cedar branch, Eucalyptus dunnii bark, Eucalyptus tereticornis bark, Bagasse, Eucalyptus camaldulensis branch and shaving were the most effective in controlling spore germination of Penicillium expansum, and the one raphiolepsis branch was the most effective in controlling spore germination of Aspergillus niger. (3) The effect of the red extractives from Cunninghamia lanceolata bark and shaving, Deodar cedar branch, cypress branch, Eucalyptus tereticornis branch on bamboo moulding was highly remarkable on outdoor test. So the plantation woods could be used as biologic mould inhibitor for bamboo.