Wild trees have a good potential to use as raw materials for flavor production, which can be used as food additives or cosmetic ingredients. It has not been researched sufficiently for the commercial application of domestic plants as flavor resources. Therefore, this study was focused on optimizing ...
Wild trees have a good potential to use as raw materials for flavor production, which can be used as food additives or cosmetic ingredients. It has not been researched sufficiently for the commercial application of domestic plants as flavor resources. Therefore, this study was focused on optimizing the extract method in order to increase extraction yield of the aromatic compounds. Leaves of some domestic plants, Lindera obtusiloba Blume, Juniperus rigida Siebold et Zucc., Abies nephrolepis Maxim., Pinus densiflora Sieb. and Phellodendron amurense Ruprecht were collected directly from trees. Simultaneous distillation extraction (SDE), steam distillation extraction and solvent extraction were applied to extract flavor compounds with n-hexane and diethyl-ether. Extraction yields were evaluated after evaporation, and volatile compounds in extract were analyzed by GC and GC/MS. Solvent extraction with diethyl-ether showed highest yield and the yields of five plants were 5.31, 4.61, 2.67, 3.60 and 3.65%, respectively. Solvent extraction was the most effective way and SDE was more effective than steam distillation. Representative aromatic compounds of Lindera obtusiloba Blume were α-pinene, camphene, β-myrcene and β-phellandrene. (E)-2-hexenal, α-pinene, β-myrcene and α-phellandrene were the ones from Juniperus rigida Siebold et Zucc. In Abies nephrolepis Maxim. tricyclene, α-pinene, β-myrcene and α-phellandrene were detected as major flavors. Flavors from Pinus densiflora Sieb. were tricyclene, α-pinene, β-myrcene, γ-terpinene and 3-cyclohexen-1-ol while (E)-2-hexenal, α -pinene, β-myrcene, β-phellandrene, α-terpinolene and 2-hexen 1-ol from Phellodendron amurense Ruprecht. The results of flavor analysis with GC and GC/MS showed that the extraction of these compounds such as monoterpene, sesquiterpene was influenced by extraction methods and solvents. Although there were some differences among extraction methods, it was proved that solvent extraction was the most efficient methods.
Wild trees have a good potential to use as raw materials for flavor production, which can be used as food additives or cosmetic ingredients. It has not been researched sufficiently for the commercial application of domestic plants as flavor resources. Therefore, this study was focused on optimizing the extract method in order to increase extraction yield of the aromatic compounds. Leaves of some domestic plants, Lindera obtusiloba Blume, Juniperus rigida Siebold et Zucc., Abies nephrolepis Maxim., Pinus densiflora Sieb. and Phellodendron amurense Ruprecht were collected directly from trees. Simultaneous distillation extraction (SDE), steam distillation extraction and solvent extraction were applied to extract flavor compounds with n-hexane and diethyl-ether. Extraction yields were evaluated after evaporation, and volatile compounds in extract were analyzed by GC and GC/MS. Solvent extraction with diethyl-ether showed highest yield and the yields of five plants were 5.31, 4.61, 2.67, 3.60 and 3.65%, respectively. Solvent extraction was the most effective way and SDE was more effective than steam distillation. Representative aromatic compounds of Lindera obtusiloba Blume were α-pinene, camphene, β-myrcene and β-phellandrene. (E)-2-hexenal, α-pinene, β-myrcene and α-phellandrene were the ones from Juniperus rigida Siebold et Zucc. In Abies nephrolepis Maxim. tricyclene, α-pinene, β-myrcene and α-phellandrene were detected as major flavors. Flavors from Pinus densiflora Sieb. were tricyclene, α-pinene, β-myrcene, γ-terpinene and 3-cyclohexen-1-ol while (E)-2-hexenal, α -pinene, β-myrcene, β-phellandrene, α-terpinolene and 2-hexen 1-ol from Phellodendron amurense Ruprecht. The results of flavor analysis with GC and GC/MS showed that the extraction of these compounds such as monoterpene, sesquiterpene was influenced by extraction methods and solvents. Although there were some differences among extraction methods, it was proved that solvent extraction was the most efficient methods.
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