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https://www.readbyqxmd.com/read/29772109/effects-of-growing-location-on-the-production-of-main-active-components-and-antioxidant-activity-of-dasiphora-fruticosa-l-rydb-by-chemometric-methods
#1
Wei Liu, Dongmei Wang, Xiaogai Hou, Yueqin Yang, Xian Xue, Qishi Jia, Lixia Zhang, Wei Zhao, Dongxue Yin
Traditional Chinese medicine (TCM) plays a very important role in the health system of China. The content and activity of active component are main indexes that evaluate the quality of TCM, however they may vary with environmental factors in their growing locations. In this study, effects of environmental factors on the contents of active components and antioxidant activity of Dasiphora fruticosa from the five main production areas of China were investigated. The contents of tannin, total flavonoid and rutin were determined and varied within the range of 7...
May 17, 2018: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/29770658/-a-case-control-study-on-risk-factors-of-cystic-echinococcosis-in-humans-in-tibetan-areas
#2
Wu Wen-Ting, Wu Wei-Ping, Guan Ya-Yi, Han Shuai, Xue Chui-Zhao, Wang Xu, Liu Bai-Xue
OBJECTIVE: To understand the risk factors of cystic echinococcosis in Tibetan population, so as to provide the reference for development of prevention and control strategies. METHODS: Four cystic echinococcosis highly-prevalent townships were selected from Naqu County of Tibet and Shiqu County of Sichuan Province, which had similar environmental and altitude conditions, from August to September, 2017. Applying the 1∶1 case-control study, a household survey was conducted to investigate the risk factors of echinococcosis in humans...
April 16, 2018: Zhongguo Xue Xi Chong Bing Fang Zhi za Zhi, Chinese Journal of Schistosomiasis Control
https://www.readbyqxmd.com/read/29750069/-carpinus-tibetana-betulaceae-a-new-species-from-southeast-tibet-china
#3
Zhiqiang Lu, Ying Li, Xiaoyue Yang, Jianquan Liu
A new species Carpinus tibetana Z. Qiang Lu & J. Quan Liu from southeast Tibet is described and illustrated. The specimens of this new species were previously identified and placed under C. monbeigiana Hand.-Mazz. or C. mollicoma Hu. However, the specimens from southeast Tibet differ from those of C. monbeigiana from other regions with more lateral veins (19-24 vs 14-18) on each side of the midvein and dense pubescence on the abaxial leaf surface, while from those of C. mollicoma from other regions differ by nutlet with dense resinous glands and glabrous or sparsely villous at apex...
2018: PhytoKeys
https://www.readbyqxmd.com/read/29747615/prevalence-of-refractive-errors-in-tibetan-adolescents
#4
Xuehan Qian, Beihong Liu, Jing Wang, Nan Wei, Xiaoli Qi, Xue Li, Jing Li, Ying Zhang, Ning Hua, Yuxian Ning, Gang Ding, Xu Ma, Binbin Wang
BACKGROUND: The prevalence of adolescent eye disease in remote areas of the Qinghai-Tibet Plateau has rarely been reported. To understand the prevalence of common eye diseases in Tibet, we performed ocular-disease screening on students from primary and secondary schools in Tibet, and compared the prevalence to that in the Central China Plain (referred to here as the "plains area"). METHODS: The refractive status of students was evaluated with a Spot™ vision screener...
May 11, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29745192/-%C3%AE-glucan-content-spatial-distribution-characteristics-and-its-influencing-factors-of-cultivated-barley-in-qinghai-tibet-plateau-china
#5
Jian Lin Wang, Zhi Ming Zhong, Xi Bo Feng, Gang Fu, Cheng Qun Yu, Wei Hai Hou, Gai Hua Wang, Zhuoga Daci
β-glucan content spatial distribution characteristics of cultivated barley in Qinghai-Tibet Plateau were investigated based on the data measured from 83 sampling sites. The results showed that β-glucan content exhibited a macrocosm pattern of spatial distribution along the horizontal direction in Qinghai-Tibet Plateau, with staggered patches of different values. Two regions of higher β-glucan content were observed with centers of Guide and Tongde in Qinghai Province and Xiahe and Hezuo in Gansu Province (northeast), and Jiangzi, Bailang, Xietongmen, Shigatse, Lazi, Kangma, Gongga and Qushui in Tibet (southwest)...
May 18, 2017: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29745186/-soil-fertility-evaluation-of-artificial-afforestation-areas-in-tibet-china
#6
Hong Luo, Dun Zhu Pubu, Xue Lin Zhu, Jian Pu Wu
To master the soil fertility situation of afforestation areas, where trees would be planted, the soil samples of 524 afforestation areas were taken to test its nutrients in six prefectures of Tibet, and the soil fertility was analyzed by the method of modified Nemerow synthesis index. The results showed that the synthetic fertility index of afforestation areas was between 0.425 and 1.972 in Tibet. The numbers of afforestation areas with general level, barren level, and fecund level occupied 65.9%, 34.9% and 0...
May 18, 2017: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29745184/-quantitative-apportionment-of-slope-aspect-and-altitude-to-soil-moisture-and-temperature-and-plant-distribution-on-alpine-meadow
#7
Yu Jie Niu, Jian Wei Zhou, Si Wei Yang, Gui Zhen Wang, Li Liu, Li Min Hua
For understanding the effect of aspect and altitude of hill on soil moisture and temperature as well as the vegetation community, we selected an alpine meadow located on a hill in north-eastern Tibet Plateau as our study area. Data on soil moisture and temperature, as well as plant distribution pattern in this mountain ecosystem were collected. We used regression analysis, CCA ordination and variance decomposition, to determine the impacts of the key factors (aspect, altitude, soil temperature and moisture) on plant diversity distribution in 189 sample sites of the hill...
May 18, 2017: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29745144/-evaluation-and-selection-of-species-diversity-index-under-grazing-disturbance-in-alpine-mea-dow
#8
Yu Jie Niu, Si Wei Yang, Gui Zhen Wang, Li Liu, Li Min Hua
The research selected the plots of six grazing intensities in an alpine meadow in north-eastern Tibet Plateau in four years (2012-2015) and studied the relation between ten species diversity indexes, including two measured indexes (Richness and Abundance) in field and two indexes of each dominance, evenness, richness, integrated indexes, and grazing intensity as well as grazing time aiming at scientific selection of biodiversity index under grazing disturbance. The results indicated that the abundance was a better index than importance value to calculate biodiversity level because it was more sensitive to grazing disturbance...
June 18, 2017: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29745138/-effects-of-naphthalene-on-soil-respiration-nutrients-and-enzyme-activities-in-the-subalpine-forest-of-western-sichuan-china
#9
Fan Yang, Wan Qin Yang, Fu Zhong Wu, Hui Wang, Li Ying Lan, Yu Wei Liu, Cai Hong Guo, Bo Tan
As a biocide to reduce soil and litter faunal populations in field experiments, naphthalene has been widely used in the study of ecological functions of soil fauna, but the non-target effects of naphthalene bring about enormous uncertainty to its application. In order to understand whether there were non-target effects of naphthalene in subalpine forest soil, soil in the subalpine forests of west Qinghai-Tibet Plateau was taken as study object. The short-term responses of soil respiration rate, nutrient content and enzyme activity to naphthalene were studied in microcosms...
June 18, 2017: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29740224/study-on-the-pauropoda-from-tibet-china-part-i-the-genera-decapauropus-and-hemipauropus-myriapoda
#10
Chang-Yuan Qian, Yun Bu, Yan Dong, Yun-Xia Luan
Three new species of family Pauropodidae: Decapauropus biconjugarus Qian & Bu, sp. n. , D. tibeticus Qian & Bu, sp. n. and Hemipauropus quadrangulus Qian & Bu, sp. n. are described and illustrated from southeastern Tibet, China. The genus Hemipauropus is recorded for the first time from China. This is the second report of pauropods from Tibet.
2018: ZooKeys
https://www.readbyqxmd.com/read/29736134/practical-answers-are-needed-to-respond-to-the-myth-of-mental-health-services-in-tibet
#11
Bin Xie
No abstract text is available yet for this article.
April 25, 2018: Shanghai Archives of Psychiatry
https://www.readbyqxmd.com/read/29736133/psychiatric-epidemiology-and-mental-health-service-in-the-tibet-autonomous-region-of-the-people-s-republic-of-china
#12
Liang Xie, Geng Wei, Yan Xu, Yueqin Huang, Xiehe Liu, Tao Li, Wan-Jun Guo
Little is known internationally about the psychiatric epidemiology and mental health services in Tibet. This article reviews the relevant research of psychiatric epidemiology and mental health services in the Tibet Autonomous Region (TAR), P. R. China. There is a substantive number of people suffering from mental disorders and psychological problems in an area with a general lack of modern mental health institutions and professionals.
April 25, 2018: Shanghai Archives of Psychiatry
https://www.readbyqxmd.com/read/29728970/distribution-and-health-risks-of-aerosol-black-carbon-in-a-representative-city-of-the-qinghai-tibet-plateau
#13
Jun Wu, Jian Lu, Xiuyun Min, Zhenhua Zhang
Although aerosol black carbon (BC) exerts strong influences on human health, research on potential health risks of aerosol BC around the Qinghai-Tibet Plateau is very limited. This is the very first study to investigate the distribution of aerosol BC in a typical city of the Qinghai-Tibet Plateau and the resulting health risks. The results showed that the maximal real-time (5-min monitoring interval) concentration of aerosol BC was 22.34 μg/m3 , much higher than day- and week-averaged concentrations which were in the range of 1...
May 4, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29727930/estimation-and-emissions-from-crop-straw-and-animal-dung-in-tibet
#14
Guanyi Chen, Ke Gao, Beibei Yan, Zeng Dan, Wenwu Zhou, Zhanjun Cheng
Based on the statistics data, this paper estimated the quantity of biomass resource, and then the distribution of emissions from its combu3stion and gasification was analyzed in Tibet in 2015. The main conclusions are as follows: (1) biomass energy is rich in Tibet and its geographical distribution and quantity mainly depends on the relationship between ecological zones and the climate conditions. Crop straw is mainly distributed in Xigazê, Lasha, Qamdo and Shannan with the total quantity of 3.29×106 t/year; while animal dung is mainly distributed in Nagqu, Qamdo and Xigazê with the total quantity of 1...
August 1, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29725102/the-early-history-of-wheat-in-china-from-14-c-dating-and-bayesian-chronological-modelling
#15
Tengwen Long, Christian Leipe, Guiyun Jin, Mayke Wagner, Rongzhen Guo, Oskar Schröder, Pavel E Tarasov
Wheat is regarded as one of the most important West Asian domesticates that were introduced into Late Neolithic/Early Bronze Age China. Despite a growing body of archaeological data, the timing and routes of its dispersal remain controversial. New radiocarbon (14 C) dating evidence from six archaeological sites in the Shandong and Liaoning Peninsulas and Bayesian modelling of available 14 C data from China suggest that wheat appeared in the lower Yellow River around 2600 Before Common Era (BCE), followed by Gansu and Xinjiang around 1900 BCE and finally occurred in the middle Yellow River and Tibet regions by 1600 BCE...
May 2018: Nature Plants
https://www.readbyqxmd.com/read/29717973/isolation-and-characterization-of-streptococcus-respiraculi-sp-nov-from-marmota-himalayana-himalayan-marmot-respiratory-tract
#16
Lina Niu, Shoukui Hu, Shan Lu, Xin-He Lai, Jing Yang, Dong Jin, Langyu Rao, Gang Lu, Jianguo Xu
Two bacterial strains were individually isolated from Marmota himalayana respiratory tracts; the animals were from the Tibet-Qinghai Plateau, PR China. The isolates were Gram-stain-positive, catalase-negative, coccus-shaped, chain-forming organisms. Analysis of 16S rRNA gene sequences indicated that the type strain HTS25T shared 98.0, 97.4, 97.2 and 97.1 % similarity with Streptococcus cuniculi, Streptococcus acidominimus, Streptococcus marmotae and Streptococcus himalayensis respectively. Sequence analysis of the sodA and rpoB genes indicated that HTS25T was closely related to S...
May 2, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29706776/-hessebius-luculentus-a-new-species-of-the-genus-hessebius-verhoeff-1941-from-china-lithobiomorpha-lithobiidae
#17
Huiqin Ma, Yanmin Lu, Haipeng Liu, Xiaojie Hou, Sujian Pei
Hessebius luculentus sp. n. (Lithobiomorpha: Lithobiidae), recently discovered from Shandan County, Zhangye City, Province Gansu, Qinghai-Tibet Plateau, China, is described. Morphologically it resembles H. jangtseanus (Verhoeff, 1942), but can be easily distinguished from the latter by size of Tömösváry's organ's, the morphological characters of a protuberance on the dorsal end of the second article of the female gonopods; and obvious differences in the dorsal plectrotaxy of both the 14th and 15th legs. The main morphological characters and a key to the known Chinese species of genus Hessebius based on adult specimens are presented...
2018: ZooKeys
https://www.readbyqxmd.com/read/29705517/crossing-the-roof-of-the-world-trade-in-medicinal-plants-from-nepal-to-china
#18
Jun He, Bin Yang, Min Dong, Yunshang Wang
ETHNOPHARMACOLOGICAL RELEVANCE: Trade in medicinal and aromatic plants (MAPs) between Nepal and China has taken place for centuries along the Tibetan border. While there is anecdotal evidence that economic development in China over the past decades, coupled with regional infrastructure development and increasing market integration, has substantially changed this trade, there are no current published studies investigating this, e.g. in terms of species and market structure. This knowledge gap impedes the development of public interventions, e...
April 26, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29705426/potential-probiotic-characterization-of-lactobacillus-reuteri-from-traditional-chinese-highland-barley-wine-and-application-for-room-temperature-storage-drinkable-yogurt
#19
Su Chen, Lin Chen, Lie Chen, Xueliang Ren, Hongjuan Ge, Baolei Li, Guanghui Ma, Xueqin Ke, Jun Zhu, Li Li, Yuhong Feng, Yanjun Li
The aim of this study was to select probiotic strains that could be used in drinkable yogurt to yield viable cells following storage at room temperature (RT). The uniquely high altitude conditions in Tibet and the alcoholic environment of certain products, such as the highland barley wine homemade in Tibet, may induce unusual characteristics of microbial strains. A total of 27 lactic acid bacteria were isolated from homemade highland barley wines. One strain, Lactobacillus reuteri WHH1689, demonstrated no ability for lactose utilization, exhibited a high survival rate during storage at RT in drinkable yogurts, and produced very weak post-acidification...
April 25, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29703325/constituent-and-effects-of-polysaccharides-isolated-from-sophora-moorcroftiana-seeds-on-lifespan-reproduction-stress-resistance-and-antimicrobial-capacity-in-caenorhabditis-elegans
#20
Yuan Zhang, Dan-Yang Mi, Jin Wang, Yan-Ping Luo, Xu Yang, Shi Dong, Xing-Ming Ma, Kai-Zhong Dong
Sophora moorcroftiana (S. moorcroftiana) is an endemic leguminous dwarf shrub in Tibet, China. Decoctions of the seeds have been used in Chinese folk medicine for dephlogistication, detoxication, and infectious diseases. The present study aimed to investigate the constituent and biological effects of polysaccharides from S. moorcroftiana seeds in Caenorhabditis elegans (C. elegans). Polysaccharides from S. moorcroftiana seeds (SMpol) were extracted with 60% ethanol and constituent was analyzed by GC-MS. SMpol was composed of glucose, galactose and inositol in the molar ratio of 35...
April 2018: Chinese Journal of Natural Medicines
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