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Dendrobium officinale

Huiying Ma, Keke Zhang, Qing Jiang, Diya Dai, Hongli Li, Wentao Bi, David Da Yong Chen
Plant polysaccharides have numerous medicinal functions. Due to the differences in their origins, regions of production, and cultivation conditions, the quality and the functions of polysaccharides can vary significantly. They are macromolecules with large molecular weight (MW) and complex structure, and pose great challenge for the analytical technology used. Taking Dendrobium officinale (DO) from various origins and locations as model samples. In this investigation, mechanochemical extraction method was used to successfully extract polysaccharides from DO using water as solvent, the process is simple, fast (40 s) and with high yield...
March 13, 2018: Journal of Chromatography. A
Kai-Lun Liang, Ping Fang, Qiu-Qiu Shi, Jie Su, Bo Li, Su-Hong Chen, Gui-Yuan Lv
This study aimed to investigate the antihypertensive effect and possible mechanism of Dendrobium officinale flos on hypertensive rats induced by high glucose and high fat compound alcohol. The hypertensive models were successfully made by high-glucose and high-fat diet, with gradient drinking for 4 weeks, and then divided into model control group, valsartan (5.7 mg·kg⁻¹) positive control group and D. officinale flos groups (3,1 g·kg⁻¹). After 6 weeks of treatment, the blood pressure of rats was measured regularly...
January 2018: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
Chunyan Jiao, Cheng Song, Siyan Zheng, Yingpeng Zhu, Qing Jin, Yongping Cai, Yi Lin
Alkaloids are the main active ingredients in the medicinal plant Dendrobium officinale . Based on the published genomic and transcriptomic data, a proposed terpenoid indole alkaloid (TIA) biosynthesis pathway may be present in D. officinale . In this study, protocorm-like bodies (PLBs) with a high-yielding production of alkaloids were obtained by the optimization of tryptophan, secologanin and methyl jasmonate (MeJA) treatment. The results showed that the total alkaloid content was 2.05 times greater than that of the control group when the PLBs were fed with 9 µM tryptophan, 6 µM secologanin and 100 µM MeJA after 36 days...
March 3, 2018: International Journal of Molecular Sciences
Jian Liang, Shuxian Chen, Jianhui Chen, Jizong Lin, Qingping Xiong, Yiqi Yang, Jun Yuan, Lian Zhou, Lian He, Shaozhen Hou, Shijie Li, Song Huang, Xiaoping Lai
Polysaccharide, as a promising candidate to meet the medication requirement of ulcerative colitis (UC), is increasingly attracting extensive interest. Dendrobium officinale has been widely used to treat gastrointestinal sickness in the clinical treatment of Traditional Chinese Medicine. However, it remains largely unknown whether polysaccharides (DOPS) from Dendrobium officinale can treat UC. The purpose of this paper is to confirm therapeutic action of DOPS to UC and explored its underlying mechanisms. We noted that DOPS could dramatically improve clinical signs and symptoms, decrease mortality, alleviate colonic pathological damage, and reestablish the balance of pro- and anti-inflammatory cytokines in DSS-induced acute UC mice...
April 1, 2018: Carbohydrate Polymers
Si-Jie Zhang, Zheng Qian, Jing-Jing Liu, Xin-Feng Zhang, Jin-Ping Si
In order to provide new information on polysaccharide in Dendrobium officinale flowers,the monosaccharide composition and relative molecular mass distribution of 11 families of flowers were investigated and analyzed by high performance gel filtration chromatography (HPGFC) and pre-column derivatization ultra performance liquid chromatography (UPLC) in this study. Then cluster analysis was carried out for the monosaccharide peak areas by utilizing SPSS 19.0 software. The results showed that the polysaccharides of all the above 11 hybrid families of D...
October 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
Wen-Chieh Tsai, Anne Dievart, Chia-Chi Hsu, Yu-Yun Hsiao, Shang-Yi Chiou, Hsin Huang, Hong-Hwa Chen
Among 300,000 species in angiosperms, Orchidaceae containing 30,000 species is one of the largest families. Almost every habitats on earth have orchid plants successfully colonized, and it indicates that orchids are among the plants with significant ecological and evolutionary importance. So far, four orchid genomes have been sequenced, including Phalaenopsis equestris, Dendrobium catenatum, Dendrobium officinale, and Apostaceae shengen. Here, we review the current progress and the direction of orchid research in the post genomics era...
December 12, 2017: Botanical Studies (Taipei, Taiwan)
Jin-Ping Si, Yuan Zhang, Yi-Bo Luo, Jing-Jing Liu, Zhong-Jian Liu
Dendrobium species on the ancient Chinese herbal texts were investigated in this paper, including their dscriptions of original species, producing areas and quality. Our results indicated that the major producing areas were Lu'an, Anhui province and Wenzhou, Taizhou, Zhejiang province. In addition, the sweet flavor, short, thin and solid stems were standing for good quality. Based on the stable producing areas and quality descriptions, D. catenatum (D. officinale) ("Tiepi Shihu") and D. houshanense were high quality medicinal Dendrobium species ("Shihu" ) in ancient China...
May 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
Kai Wang, Dan-Juan Sui, Chang-Suo Wang, Li Yang, Zhen Ouyang, Nai-Fu Chen, Bang-Xing Han, Yuan Wei
This study aims to investigate the protective effect of Dendrobium huoshanense, D.officinale(Huoshan), D.officinale(Yunnan), D.moniliforme and D. henanense on CCl4-induced hepatic damage in mice. C57BL/6 mice were randomly divided into control group, model group, high-dose(7.5 g•kg⁻¹) and low-dose (1.25 g•kg⁻¹) groups of the five Dendrobium. Each group was intragastrically administered with drugs for 2 weeks. The control group was intraperitoneally injected with Olive oil solution, while the other groups were intraperitoneally given 0...
May 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
Jian Liang, Shuxian Chen, Youdong Hu, Yiqi Yang, Jun Yuan, Yanfang Wu, Shijie Li, Jizhong Lin, Lian He, Shaozhen Hou, Lian Zhou, Song Huang
The purpose of this study was to investigate the protective roles and mechanisms of Dendrobium officinale polysaccharides (DOPS) on secondary liver injury in acute colitis. Firstly, the mice model of secondary liver injury in acute colitis was induced by 4% Dextran sodium sulfate (DSS). Inflammatory cell model was established by LPS-stimulated RAW264.7 cells. Then, the protective roles of DOPS were evaluated by both in vivo and in vitro experiment. The results showed that DOPS attenuated DSS-induced hepatic pathological damage, liver parameters, infiltration of macrophages, cytokines levels, MDA level and increased the antioxidant enzymes activities...
October 23, 2017: International Journal of Biological Macromolecules
Gui-Yun Zhao, Bo-Wen Deng, Chong-Yu Zhang, Yi-Da Cui, Jia-Yi Bi, Guo-Gang Zhang
Two new phenanthrene and 9, 10-dihydrophenanthrene derivatives (1-2) with six known congeners (3-8) were isolated from the extraction of stems of Dendrobium officinale. Compounds 1 and 2 were based on carbon skeleton in which phenanthrene and 9, 10-dihydrophenanthrene moiety were linked with a phenylpropane unit through a dioxane bridge, respectively. Their structures were determined by comprehensive NMR spectroscopic data, the absolute configuration of new compounds were determined by comparing their experimental and calculated ECD for the first time...
October 23, 2017: Journal of Natural Medicines
Xiao-Man Dong, Chao Jiang, Yuan Yuan, Liang-Ping Zha, Dai-Yin Peng, Yu-Yang Zhao
Based on rDNA ITS sequences of Dendrobium officinale and the other 69 species of Dendrobium, a pair of dismatched allele-specific diagnostic primers, TPSH-AS1F and TPSH-AS1R were designed to authenticate D. officinale from the other species. Thebidirectional PCR amplification were performed using the diagnostic primers with the total DNAs of the original plants or processing products as a template. When the annealing temperature was raised to 60 ℃, only the template DNA of D. officinale could be amplified whereas the diagnostic PCRs of the other Dendrobium species were all negative...
March 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
Liu He, Shuhua Fu, Zhichao Xu, Jun Yan, Jiang Xu, Hong Zhou, Jianguo Zhou, Xinlian Chen, Ying Li, Kin Fai Au, Hui Yao
Dendrobium officinale is an extremely valuable orchid used in traditional Chinese medicine, so sought after that it has a higher market value than gold. Although the expression profiles of some genes involved in the polysaccharide synthesis have previously been investigated, little research has been carried out on their alternatively spliced isoforms in D. officinale. In addition, information regarding the translocation of sugars from leaves to stems in D. officinale also remains limited. We analyzed the polysaccharide content of D...
October 5, 2017: Genes
Yue Chen, Qi Shen, Renan Lin, Zhuangliu Zhao, Chenjia Shen, Chongbo Sun
Artificial control of flowering time is pivotal for the ornamental value of orchids including the genus Dendrobium. Although various flowering pathways have been revealed in model plants, little information is available on the genetic regualtion of flowering in Dendrobium. To identify the critical genes associated with flowering, transcriptomes from four organs (leaf, root, stem and flower) of D. officinale were analyzed in our study. In total, 2645 flower-specific transcripts were identified. Functional annotation and classification suggested that several metabolic pathways, including four sugar-related pathways and two fatty acid-related pathways, were enriched...
September 14, 2017: Plant Physiology and Biochemistry: PPB
Hong Zheng, Linlin Pan, Pengtao Xu, Jianjun Zhu, Ruohan Wang, Wenzong Zhu, Yongsheng Hu, Hongchang Gao
Dendrobium officinale Kimura & Migo (D. officinale) is a precious herbal medicine. In this study, we investigated metabolic mechanism underlying the effect of D. officinale water extract (DOWE) on diabetes prevention in mice after streptozotocin (STZ) exposure using NMR-based metabolomics. Interestingly, we found a decrease in blood glucose and an increase in liver glycogen in mice pretreated with DOWE after STZ exposure. The DOWE pretreatment significantly increased citrate and glutamine in the serum as well as creatine, alanine, leucine, isoleucine, valine, glutamine, glutathione and taurine in the liver of STZ-treated mice...
September 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Nai-Dong Chen, Tao You, Jun Li, Li-Tao Bai, Jing-Wen Hao, Xiao-Yuan Xu
Plant tissue culture technique is widely used in the conservation and utilization of rare and endangered medicinal plants and it is crucial for tissue culture stocks to obtain the ability to produce similar bioactive components as their wild correspondences. In this paper, a headspace gas chromatography-mass spectrometry method combined with chemometric methods was applied to analyze and evaluate the volatile compounds in tissue-cultured and wild Dendrobium huoshanense Cheng and Tang, Dendrobium officinale Kimura et Migo and Dendrobium moniliforme (Linn...
October 2016: Journal of Food and Drug Analysis
Qingran Meng, Haoran Fan, Feng Chen, Tiancun Xiao, Lianfu Zhang
BACKGROUND: Dendrobium officinale has been used in China for several thousand years as a health food, it has become one of the most expensive tea materials worldwide due to extremely scarce wild resources and increasing demand. Hence, it is very important to improve the depth and width of its application. In present work, the physico-chemical, surface chemistry, and thermal properties of micron range particles and coarse particles prepared by superfine grinding and shear pulverization were investigated...
September 13, 2017: Journal of the Science of Food and Agriculture
Chunmei He, Jaime A Teixeira da Silva, Jianwen Tan, Jianxia Zhang, Xiaoping Pan, Mingzhi Li, Jianping Luo, Jun Duan
The WRKY family, one of the largest families of transcription factors, plays important roles in the regulation of various biological processes, including growth, development and stress responses in plants. In the present study, 63 DoWRKY genes were identified from the Dendrobium officinale genome. These were classified into groups I, II, III and a non-group, each with 14, 28, 10 and 11 members, respectively. ABA-responsive, sulfur-responsive and low temperature-responsive elements were identified in the 1-k upstream regulatory region of DoWRKY genes...
August 23, 2017: Scientific Reports
Ji-Ping Si, Qi Wang, Zhong-Jian Liu, Jing-Jing Liu, Yi-Bo Luo
In view of the significant difficulties of propagation, planting and simple product in Dendrobium catenatum(D. officinale)industry development, a series of research were carried out. Genome study showed that D. catenatum is a specie of diploid with 38 chromosomes and 28 910 protein-coding genes. It was identified that specific genes accumulated in different organs at the transcriptome level. We got an insight into the gene regulation mechanism of the loss of the endospermous seed, the wide ecological adaptability and the synthesis of polysaccharides, which provided a theoretical basis for genetic engineering breeding and development and utilization of active pharmaceutical ingredients...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
Shangguo Feng, Kaili Jiao, Hong Guo, Mengyi Jiang, Juan Hao, Huizhong Wang, Chenjia Shen
BACKGROUND: Lysine succinylation is a ubiquitous and important protein post-translational modification in various eukaryotic and prokaryotic cells. However, its functions in Dendrobium officinale, an important traditional Chinese orchid herb with high polysaccharide contents, are largely unknown. RESULTS: In our study, LC-MS/MS was used to identify the peptides that were enriched by immune-purification with a high-efficiency succinyl-lysine antibody. In total, 314 lysine succinylation sites in 207 proteins were identified...
August 10, 2017: BMC Genomics
Zi Ye, Jia-Rong Dai, Cheng-Gang Zhang, Ye Lu, Lei-Lei Wu, Amy G W Gong, Hong Xu, Karl W K Tsim, Zheng-Tao Wang
The stems of Dendrobium officinale Kimura et Migo (Dendrobii Officinalis Caulis) have a high medicinal value as a traditional Chinese medicine (TCM). Because of the limited supply, D. officinale is a high priced TCM, and therefore adulterants are commonly found in the herbal market. The dried stems of a closely related Dendrobium species, Dendrobium devonianum Paxt., are commonly used as the substitute; however, there is no effective method to distinguish the two Dendrobium species. Here, a high performance liquid chromatography (HPLC) method was successfully developed and applied to differentiate D...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
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