Papers by Keyword: Oil-Tea Cake

Abstract: 450°C-based pyrolysis- GC/MS technology was used to analyze the bioactive components of ethanol extractives of oil-tea cake. The analytical result showed that 38 peaks were obtained from the 450°C-based pyrolyzate of ethanol extractives of oil-tea cake, and 37 compounds representing 97.81 % of the total areas were identified (Table 1). The analytical result showed that the main components of ethanol extractives of oil-tea cake by 450°C-based pyrolysis- GC/MS were as: Benzene, 1,2,3-Trimethoxy-5-Methyl- (21.56%), Phenol, 3,4-Dimethoxy- (16.31%), 3',5'-Dimethoxyacetophenone (14.37%), 1,2-Ethanediamine, N-Ethyl- (6.62%), Indole (5.39%), Mequinol (4.13%), Phosphonic Acid, (P-Hydroxyphenyl)- (2.97%), 1,2-Cyclobutanedicarboxylic Acid, Cis- (1.67%), Bicyclo 3.1.0 Hexan-3-One (1.38%), Benzene, 1,4-Dimethoxy-2,3,5,6- Tetramethyl- (1.35%), 2h-Azepin-2-One, Hexahydro-1-(2-Propenyl)- (1.15), etc. The results of function analyses showed that the 450°C-based pyrolyzate of ethanol extractives of oil-tea cake can be used as rare natural medicinal materials, and value-added materials of spice, food and cosmetic industry.

Abstract: The petroleum ether extractives of oil-tea cake was analyzed and identified by Py-GC/MS. The analytical result showed that 65 peaks were obtained from the 550°C pyrolyzates of petroleum ether extractives of oil-tea cake and 61 compounds representing 97.63 % of the total areas were identified. The analytical result showed that the main components of 550°C pyrolyzates of petroleum ether extractives of oil-tea cake by pyrolysis- GC/MS were as: 1-Dotriacontanol (11.57% from five peaks), 3-Cyclohexene-1-Methanol, .Alpha.,.Alpha, 4-Trimethyl-,(S)- (10.52%), Cis-2-Ethylcyclopentanecarboxaldehyde (9.89%), Trans-Sobrerol (8.27%), 1,3-Benzodioxole, 5-(1-Propenyl)- (7.65%), Cholestan-3-Ol, 2-Methylene-, (3.Beta., 5alpha)- (6.81%),1,2-Trans-1,5- Trans-2,5-Dihydroxy-4-Methyl-1-(1-Hydroxy-1-Isopropylcyc (5.02%), 4-Nonanone, 2,6,8-Trimethyl - (4.69%), Bicyclo 2.2.1 Heptan-2-One, 1,7,7-Trimethyl-,(1s)- (4.55%), Squalene (3.86%), (R)-(-)-(Z)-14-Methyl-8-Hexadecen-1-Ol (2.97%), Undecane 2-Cyclohexyl-, 2-Cyclohexyl- (2.53%), 4,8,13-Cyclotetradecatriene-1,3-Diol, 1,5,9-Trimethyl-12- (1-Methylethlyl)- (1.94%), 3,4-(Methylenedioxy)Toluene (1.88%), Hexadecanoic Acid, 2-Hydroxy-1,3-Propanediyl Ester (1.37%), etc. The result of function analyses suggested that the petroleum ether extractives of oil-tea cake contain abundant components of materials which can be developed into rare natural medicinal, high-grade spice, cosmetic, food, etc.

Abstract: A high temperature Pyrolysis (600°C) correlated with GC/MS was used to analyze the bioactive components of acetone extractives from oil-tea cake. The analytical result showed that 44 peaks were obtained from the 600°C pyrolyzate of acetone extractives of oil-tea cake and 42 compounds representing 99.12 % of the total areas were acetone extractives of oil-tea cake by 600°C-based pyrolysis- GC/MS were as: 3',5'-Dimethoxyacetophenone (22.16%), 9-Octadecenal, (Z)- (13.47%), Hexadecanoic Acid (8.36%), Dodecane, 1-Fluoro- (5.19%), Benzothiazole, 2-(Methylthio)- (4.61%), Naphthalene, 1,2,3,4-Tetrahydro-1,4,6-Trimethyl- (3.87%), .Gamma.-Sitosterol (3.16%), Naphthalene, 1,2,3,5,6,7,8,8a-Octahydro-1,8a-Dimethyl-7-(1-Methyletheny (3.12%), 1,4-Dimethyl-1,2,3,4- Tetrahydronaphthalene (2.69%), Squalene (2.08%), Bis(2-Methoxyethyl) Phthalate (1.83%), Ergost-5-En-3-Ol, (3.Beta.)- (1.65%), etc. The result of function analyses showed that the 600°C pyrolyzate of acetone extractives of oil-tea cake contain abundant components of rare natural medicinal materials, and materials of high-grade spice and cosmetic.

Abstract: The extractives of oil-tea cake are considered to have bioactive components, but the extracted residues of oil-tea cake are still not utilized. The analytical result by 450°C-based Pyrolysis-GC/MS showed that 42 peaks were obtained from the 450°C pyrolyzate of benzene/ethanol-extracted residues of oil-tea cake, and 41 compounds representing 97.53% of the total areas were identified. The analytical result revealed that the main components of benzene/ethanol-extracted residues of oil-tea cake by 450°C-based pyrolysis- GC/MS were as: Ethanone, 1-(2-Hydroxy-5-Methylphenyl)- (19.16%), Phenol, 2-Methoxy-6-(2-Propenyl)- (15.24%), Mequinol (14.37%), 2-Cyclohexen-1-One, 4,4,6-Trimethyl- (6.51%), 1,2-Cyclobutanedicarboxylic Acid, Trans- (5.68%), 3-Tert-Butyl-4-Hydroxyanisole (4.92%), Phenol, 2-Methoxy-4-Methyl- (4.33%), Phenol, 4-Ethyl-2-Methoxy- (3.62%), Vanillin (3.59%), Phenol, 2,6-Dimethoxy-4- (2-Propenyl)- (3.17%), N,N-Dimethyl-2-Cyclohexyloxyethylamine (2.94%), 1,3-Cyclopentanedione, 2-Methyl- (2.85%), Eugenol (2.56%), etc. The results of function analyses showed that the benzene/ethanol-extracted residues of oil-tea cake contain abundant components of rare natural medicinal materials, and materials of high-grade spice, cosmetic and food industry.

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 current processing and utilization of oil-tea cake is still characterized by low economic benefit and low value added, therefore, 300°C-based pyrolysis- GC/MS technology was used to analyze the bioactive components of acetone extractives of oil-tea cake. Relative content of each component was determined by area normalization. The analytical result showed that the main components from 300°C-based pyrolyzate of acetone extractives of oil-tea cake by pyrolysis- GC/MS were as: SQUALENE (18.61%), 9-OCTADECENAL, (Z)- (15.27%), 3',5'-DIMETHOXYACETOPHENONE (9.53%), HEXADECANOIC ACID (7.28%), (Z)14-TRICOSENYL FORMATE (5.15%), .GAMMA.-SITOSTEROL (3.82%), BIS(2-METHOXYETHYL) PHTHALATE (2.86%), ERGOST-5-EN-3-OL, (3.BETA.)- (2.31%), etc. The results of function analyses showed that the 300°C-based pyrolyzate of acetone extractives of oil-tea cake contain rich components of rare natural medicinal materials, and also contain value-added materials of high-grade spice, food, cosmetic and bioenergy.

Abstract: The oil-tea cake, as the major byproduct of tea oil production, was used with phenol-formaldehyde (PF) resin to prepare a mixed interior plywood panel adhesive (TC-PF adhesive). The optimum formulation of this adhesive and the optimum hot-press conditions for making plywood panels were investigated in this work. The results showed that wet shear strength value of TC-PF adhesives increased when the addition level of PF resin increased. TC-PF adhesive with 50% PF resin addition had a relatively low cost, and moreover pass the bonding strength requirement of China Industry Standard for interior plywood panels. Hot-press temperature and hot-press time had obvious influence on bonding performances of plywood panels. When the hot-press temperature was in the range of 140°C-160°C, the wet shear strength value of panels bonded with the adhesives passed the China Industry Standard requirement. At 3-5min of hot-press time, the plywood panels had satisfactory wet shear strength.