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Comparative Analysis of Essential Oil Quality and Composition from Tissue Culture Seedlings ofThymus vulgarisL. Using Different Extraction Methods 麝香组培苗精油品质及成分比较分析。使用不同的提取方法
Plant Science Journal Pub Date : 2013-01-01 DOI: 10.3724/SP.J.1142.2013.60609
Shi-Qian Xu, Xiao-Dong Li, Jian-guo Zhang
{"title":"Comparative Analysis of Essential Oil Quality and Composition from Tissue Culture Seedlings ofThymus vulgarisL. Using Different Extraction Methods","authors":"Shi-Qian Xu, Xiao-Dong Li, Jian-guo Zhang","doi":"10.3724/SP.J.1142.2013.60609","DOIUrl":"https://doi.org/10.3724/SP.J.1142.2013.60609","url":null,"abstract":"The essential oils of Thymus vulgaris were extracted by steam distillationꎬ organic solvent extraction and supercritical CO2 extraction. The amountsꎬ compositions and relative contents of the essential oils extracted from the three methods were compared. The results showed that the amount of essential oils extracted by steam distillation was 0􀆰 21%ꎬ the main chemical components were thymol(36􀆰 53%)ꎬ benzeneꎬ 1 ̄methyl ̄3 ̄(1 ̄methylethyl) ̄(14􀆰 13%)ꎬ 1ꎬ4 ̄cyclohexadieneꎬ 1 ̄methyl ̄4 ̄(1 ̄methylethyl) (8􀆰 09%)ꎬ and caryophyllene (4􀆰 14%)ꎻ the amount of essential oils extracted by organic solvent extraction was 0􀆰 19%ꎬ the main components were 1ꎬ2 ̄benzenedicarboxylic acidꎬ mono(2 ̄ethylhexyl)ester(55􀆰 23%)ꎬ thymol (8􀆰 73%)ꎬ and 1ꎬ4 ̄cyclohexadieneꎬ 1 ̄methyl ̄4 ̄(1 ̄methylethyl)(5􀆰 23%)ꎻ and the amount of essential oils extracted by supercritical CO2 extraction was 0􀆰 27%ꎬ the main components were thymol(26􀆰 68%)ꎬ 2 ̄propenoic acidꎬ 3 ̄phenyl ̄ꎬ methyl ester(21􀆰 55%)ꎬ and benzeneꎬ 1 ̄ methyl ̄3 ̄(1 ̄methylethyl) (9􀆰 69%) . Based on the qualityꎬ major chemical compositions and extraction amount of essential oilsꎬ the steam distillation was the best method to extract essential oils from Thymus vulgaris.","PeriodicalId":20134,"journal":{"name":"Plant Science Journal","volume":"31 1","pages":"609"},"PeriodicalIF":0.0,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69789809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Histochemical Observation of Polysaccharides and Lipids on Developing Anthers of Oenanthe javanica D.C 爪哇花发育花药中多糖和脂质的组织化学观察
Plant Science Journal Pub Date : 2013-01-01 DOI: 10.3724/SP.J.1142.2013.10080
S. Fu, Hanbin Bao, W. Ke, Yuan Ye, You-hao Guo
{"title":"Histochemical Observation of Polysaccharides and Lipids on Developing Anthers of Oenanthe javanica D.C","authors":"S. Fu, Hanbin Bao, W. Ke, Yuan Ye, You-hao Guo","doi":"10.3724/SP.J.1142.2013.10080","DOIUrl":"https://doi.org/10.3724/SP.J.1142.2013.10080","url":null,"abstract":"","PeriodicalId":20134,"journal":{"name":"Plant Science Journal","volume":"31 1","pages":"80"},"PeriodicalIF":0.0,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69787787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ultrastructural Study on Minor Veins in Watermelon Leaf Blades 西瓜叶片小脉的超微结构研究
Plant Science Journal Pub Date : 2013-01-01 DOI: 10.3724/SP.J.1142.2013.20186
Qing-Hui Guo, Lin Liu
{"title":"Ultrastructural Study on Minor Veins in Watermelon Leaf Blades","authors":"Qing-Hui Guo, Lin Liu","doi":"10.3724/SP.J.1142.2013.20186","DOIUrl":"https://doi.org/10.3724/SP.J.1142.2013.20186","url":null,"abstract":"Minor veins in watermelon leaf blades were studied by transmission electron microscopy.The minor vein was a vascular bundle surrounded by large bundle sheath cells.Xylem parenchyma cells and vessel elements were arranged in a linear form,whereas phloem parenchyma cells,companion cells,and sieve elements aggregated to form the head.Two types of companion cells can be distinguished based on their ultrastructural features.One type(2a type) was smaller,contains larger vacuoles,and possessed few plasmodesmata,which did not branch.The other type was located on both sides of the phloem and contacted the vascular bundle sheath with a large area.This type was typically characterized by the presence of abundant vesicles in cytoplasm and numerous branched plasmodesmata across its walls.These features define the cells as intermediary cells.Therefore,it was proposed that watermelon belongs to plants that possess two types of companion cells in the same minor veins.","PeriodicalId":20134,"journal":{"name":"Plant Science Journal","volume":"31 1","pages":"186"},"PeriodicalIF":0.0,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69788411","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Morphological Description and Taxonomy ofCompsopogonsp. (Compsopogonaceae,Rhodophyta) from Guangdong Province 龙葵的形态描述与分类。产自广东省的一种紫红藤科植物
Plant Science Journal Pub Date : 2013-01-01 DOI: 10.3724/SP.J.1142.2013.60540
Hong Pan, Yang Yang, Yu Tang
{"title":"Morphological Description and Taxonomy ofCompsopogonsp. (Compsopogonaceae,Rhodophyta) from Guangdong Province","authors":"Hong Pan, Yang Yang, Yu Tang","doi":"10.3724/SP.J.1142.2013.60540","DOIUrl":"https://doi.org/10.3724/SP.J.1142.2013.60540","url":null,"abstract":"Compsopogon specimens were collected in Dingnanshui River from Longchuan Countyꎬ Guangdong Province in August 2009. The morphological characters of the specimen were similar to Compsopogon caeruleus and C􀆰 sparsus. Plants were 10 -18 cm high and 180-270 μm in diameterꎬ main axes were slight constricted. Axial cells were nearly spherical and spheroidicꎬ 100-110 μm high and 150-200 μm in diameter. Cross wall was constricted apparently. Cortical cells were one layered while 2 3 layered at constricted axial cellsꎬ polygonal or ovoid shapedꎬ 25-35 μm longꎬ 20-25 μm in diameter. Branching horizontal and lateralꎬ some basal cells specialized as rhizoid on the plants. Apex of branches acuminateꎬ acute or binary. Monosporangia sphericalꎬ 10-14 μm in diameter. The specimen may be a transitive type of C􀆰 caeruleus and C􀆰 sparsus in evolution.","PeriodicalId":20134,"journal":{"name":"Plant Science Journal","volume":"31 1","pages":"540"},"PeriodicalIF":0.0,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69789288","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phenolic Chemical Analyses in Leaves and Latex of Triadica sebifera 黄三里草叶片和胶乳中酚类化学成分分析
Plant Science Journal Pub Date : 2013-01-01 DOI: 10.3724/SP.J.1142.2013.60590
X. Gu, Yi Wang, M. Ren, S. Gao, Lin Zhu, Jianqing Ding
{"title":"Phenolic Chemical Analyses in Leaves and Latex of Triadica sebifera","authors":"X. Gu, Yi Wang, M. Ren, S. Gao, Lin Zhu, Jianqing Ding","doi":"10.3724/SP.J.1142.2013.60590","DOIUrl":"https://doi.org/10.3724/SP.J.1142.2013.60590","url":null,"abstract":"Triadica sebifera( Euphorbiaceae) is an important economic and ornamental tree species in South China. Here,we analyzed and compared tannins and flavonoids content in both tallow leaves and latex. We found that the content of two tannins and two flavonoids in latex were lower than those in leaves. This indicated that most tannins and flavonoids existed in tallow leaves. We also found that tannins and flavonoids content differed among seven populations,which may be associated with different habitats and herbivores.","PeriodicalId":20134,"journal":{"name":"Plant Science Journal","volume":"473 1","pages":"590"},"PeriodicalIF":0.0,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69790103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Morphological Variation inCymbidium tortisepalum 形态变异:蝴蝶兰
Plant Science Journal Pub Date : 2013-01-01 DOI: 10.3724/SP.J.1142.2013.10093
Linbo Jia, Yun-dong Shi, Hong Yu, Shu-Ying Li
{"title":"Morphological Variation inCymbidium tortisepalum","authors":"Linbo Jia, Yun-dong Shi, Hong Yu, Shu-Ying Li","doi":"10.3724/SP.J.1142.2013.10093","DOIUrl":"https://doi.org/10.3724/SP.J.1142.2013.10093","url":null,"abstract":"","PeriodicalId":20134,"journal":{"name":"Plant Science Journal","volume":"31 1","pages":"93"},"PeriodicalIF":0.0,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69787855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Response ofPinus massonianaLeaf Area Index (LAI) to Climate Indicators in Fujian Province 福建省马尾松植被面积指数对气候指标的响应
Plant Science Journal Pub Date : 2013-01-01 DOI: 10.3724/SP.J.1142.2013.20114
Zhang-hua Xu, Jian Liu, Kunyong Yu, C. Gong, Meng-ya Tang, Wan-Jun Xie, Ri-Wen Lai, Zeng-lu Li
{"title":"Response ofPinus massonianaLeaf Area Index (LAI) to Climate Indicators in Fujian Province","authors":"Zhang-hua Xu, Jian Liu, Kunyong Yu, C. Gong, Meng-ya Tang, Wan-Jun Xie, Ri-Wen Lai, Zeng-lu Li","doi":"10.3724/SP.J.1142.2013.20114","DOIUrl":"https://doi.org/10.3724/SP.J.1142.2013.20114","url":null,"abstract":"","PeriodicalId":20134,"journal":{"name":"Plant Science Journal","volume":"64 1","pages":"114"},"PeriodicalIF":0.0,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69788009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Functional Divergence of Two Glutathione Peroxidase Genes in Oryza sativa 两个谷胱甘肽过氧化物酶基因在水稻中的功能分化
Plant Science Journal Pub Date : 2013-01-01 DOI: 10.3724/SP.J.1142.2013.10064
Jingxin Wei, Hai-Ling Yang
{"title":"Functional Divergence of Two Glutathione Peroxidase Genes in Oryza sativa","authors":"Jingxin Wei, Hai-Ling Yang","doi":"10.3724/SP.J.1142.2013.10064","DOIUrl":"https://doi.org/10.3724/SP.J.1142.2013.10064","url":null,"abstract":"Plant glutathione peroxidases(GPX) are a group of enzymes that regulate levels of reactive oxygen species in cells and tissues,and protect them against oxidative damage.In this study,two GPX genes(OsGPX3 and OsGPX4) were cloned from Oryza sativa.The OsGPX3 and OsGPX4 genes encoded two proteins of 238 and 234 amino acid residues,with calculated molecular masses of 25.84 kDa and 25.07 kDa,respectively.Genomic sequence analysis showed OsGPX3 and OsGPX4 contained five introns.Reverse transcription PCR revealed that OsGPX3 and OsGPX4 were constitutive expression genes in O.sativa.The OsGPX3 and OsGPX4 proteins were overexpressed in E.coli,and were purified by Ni-affinity chromatography.The OsGPX3 and OsGPX4 proteins showed enzymatic activities towards substrates H2O2,tBOOH and COOH.However,OsGPX3 showed higher enzymatic activities to the three substrates than did OsGPX4,suggesting functional divergence between the OsGPX3 and OsGPX4 genes.","PeriodicalId":20134,"journal":{"name":"Plant Science Journal","volume":"31 1","pages":"64"},"PeriodicalIF":0.0,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69788022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pollen Morphology ofMelodorum fruticosumLour. 紫苏的花粉形态。
Plant Science Journal Pub Date : 2013-01-01 DOI: 10.3724/SP.J.1142.2013.50439
Gui-Fang Yang, Yong Liu, Fengxia Xu
{"title":"Pollen Morphology ofMelodorum fruticosumLour.","authors":"Gui-Fang Yang, Yong Liu, Fengxia Xu","doi":"10.3724/SP.J.1142.2013.50439","DOIUrl":"https://doi.org/10.3724/SP.J.1142.2013.50439","url":null,"abstract":"","PeriodicalId":20134,"journal":{"name":"Plant Science Journal","volume":"33 1","pages":"439"},"PeriodicalIF":0.0,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69789140","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Flora Study of Riparian Plants on the Mountain River Banks of the Jiulongjiang River Headstream 九龙江源区山间河岸植物区系研究
Plant Science Journal Pub Date : 2013-01-01 DOI: 10.3724/SP.J.1142.2013.50467
Wei Deng, R. Sun, Xiu-Ming Li, D. Lu, Quan Yang, Kewei Lu
{"title":"Flora Study of Riparian Plants on the Mountain River Banks of the Jiulongjiang River Headstream","authors":"Wei Deng, R. Sun, Xiu-Ming Li, D. Lu, Quan Yang, Kewei Lu","doi":"10.3724/SP.J.1142.2013.50467","DOIUrl":"https://doi.org/10.3724/SP.J.1142.2013.50467","url":null,"abstract":"Based on field investigation,sample collection,and comprehensive analysis of the riparian vegetation in mountain rivers,the riparian flora characteristics were investigated.The results showed that 574vascular plants belonging to 390genera and 145families in the mountain rivers of the Jiulongjiang River headstream were identified,among which pteridophyte had 29families,54genera and 80species;gymnosperm had 6families,8genera and 10species;and,angiosperm had110families,328 genera and 484 species.Through comprehensive analysis several typical characteristics of the mountain river riparian vegetation(taking reaches of the Jiulongjiang River headstream as an example)were found as follows:(1)a rich floral composition,with the dominant families and genera highly prominent;monotypic,oligotypic and oligotaxic genera,and oligotypic and oligotaxic families formed a large proportion;(2)flora of ancient origin;rare and relict plants were abundant;and,(3)complicated geographical elements and flora connected extensively with most parts of the world fully reflected natural and human disturbance such as regional climate,topography and human activities.Results indicated that the riparian zone had an extremely important function in conserving regional biodiversity.","PeriodicalId":20134,"journal":{"name":"Plant Science Journal","volume":"31 1","pages":"467"},"PeriodicalIF":0.0,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69789428","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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