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https://www.readbyqxmd.com/read/28925143/-exploration-of-rapidly-determining-quality-of-traditional-chinese-medicines-by-nir-spectroscopy-based-on-internet-sharing-mode
#1
Li-Jun Ni, Shao-Rong Luan, Li-Guo Zhang
Because of the numerous varieties of herbal species and active ingredients in the traditional Chinese medicine(TCM),the traditional methods employed could hardly satisfy the current determination requirements of TCM.The present work proposed an idea to realize rapid determination of the quality of TCM based on near infrared(NIR)spectroscopy and internet sharing mode. Low cost and portable multi-source composite spectrometer was invented by our group for in-site fast measurement of spectra of TCM samples. The database could be set up by sharing spectra and quality detection data of TCM samples among TCM enterprises based on the internet platform...
October 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28918573/anti-inflammatory-effects-of-ginkgo-biloba-extract-against-trimethyltin-induced-hippocampal-neuronal-injury
#2
Sukhwinder Kaur, Neha Sharma, Bimla Nehru
BACKGROUND: Despite the immense neuromodulatory potentials of Ginkgo biloba extract as a memory enhancer, its underlying mechanism seems inadequate particularly with regard to its anti-inflammatory properties. AIM: The objective of the present study is to investigate the protective potentials of Ginkgo biloba extract (GBE) against hippocampal neuronal injury induced by trimethyltin (TMT), a potent neurotoxicant. METHODS: Male SD rats were administered trimethyltin (8...
September 16, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28915536/protective-effect-of-the-standardized-extract-of-ginkgo-biloba-egb761-against-hypertension-with-hypercholesterolemia-induced-renal-injury-in-rats-insights-in-the-underlying-mechanisms
#3
Ahmed O Abdel-Zaher, Hanan S M Farghaly, Abeer E M El-Refaiy, Ahmed M Abd-Eldayem
The potential protective role of the standardized leaf extract of ginkgo biloba (EGb761) on hypertension with hypercholesterolemia-induced renal injury was investigated in rats. Hypertension was induced by L-N(G)-nitroarginine methyl ester (L-NAME) and hypercholesterolemia was induced by feeding rats with a diet containing 1% cholesterol. In these animals repeated treatment with EGb761 produced a progressive reduction in the systolic, diastolic and mean arterial blood pressure (BP). EGb761 increased the progressive reduction in the systolic, diastolic and mean arterial BP induced by repeated administration of losartan with simvastatin...
September 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28900166/development-of-novel-meju-starter-culture-using-plant-extracts-with-reduced-bacillus-cereus-counts-and-enhanced-functional-properties
#4
Shruti Shukla, Juyeon Park, Jung Hyun Park, Jong Suk Lee, Myunghee Kim
We developed a novel type of Meju starter culture using single and combined extracts of Allium sativum (garlic clove), Nelumbo nucifera (lotus leaves), and Ginkgo biloba (ginkgo leaves) to improve the quality and functionality of Meju-based fermented products. Meju samples fermented with plant extracts (10 mg/ml) showed phenolic contents of 11.4-31.6 mg/g (gallic acid equivalents). Samples of extracts (garlic clove, lotus leaves, ginkgo leaves and their combination) fermented with Meju strongly inhibited tyrosinase, α-glucosidase, and elastase activities by 36...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28886111/evidence-for-an-ancient-whole-genome-duplication-in-the-cycad-lineage
#5
Danielle Roodt, Rolf Lohaus, Lieven Sterck, Riaan L Swanepoel, Yves Van de Peer, Eshchar Mizrachi
Contrary to the many whole genome duplication events recorded for angiosperms (flowering plants), whole genome duplications in gymnosperms (non-flowering seed plants) seem to be much rarer. Although ancient whole genome duplications have been reported for most gymnosperm lineages as well, some are still contested and need to be confirmed. For instance, data for ginkgo, but particularly cycads have remained inconclusive so far, likely due to the quality of the data available and flaws in the analysis. We extracted and sequenced RNA from both the cycad Encephalartos natalensis and Ginkgo biloba...
2017: PloS One
https://www.readbyqxmd.com/read/28878490/identification-and-expression-analysis-under-abiotic-stress-of-the-r2r3-myb-genes-in-ginkgo-biloba-l
#6
Xinliang Liu, Wanwen Yu, Xuhui Zhang, Guibin Wang, Fuliang Cao, Hua Cheng
The R2R3-MYB gene family is the largest MYB subfamily in plants and is involved in the regulation of plant secondary metabolism and specific morphogenesis, as well as the response to biotic and abiotic stress. However, a systematic identification and characterization of this gene family has not been carried out in Ginkgo biloba. In this study, we performed a transcriptome-wide survey from four tissues of G. biloba to determine the genetic variation and expression pattern of the R2R3-MYB genes. We analyzed 45 GbMYBs and identified 42 with a complete coding sequence via conserved motif searches...
July 2017: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/28858737/ginkgo-biloba-l-leaf-extract-offers-multiple-mechanisms-in-bridling-n-methylnitrosourea-mediated-experimental-colorectal-cancer
#7
Hanaa H Ahmed, Hanan S El-Abhar, Elsayed Abdul Khalik Hassanin, Noha F Abdelkader, Mohamed B Shalaby
In Egypt, colorectal cancer (CRC) is the 6th cancer in both gender and CRC rates are high in subjects under 40 years of age. This study goaled to determine the development of CRC using relevant biochemical markers and to elucidate the potent mechanism of Ginkgo biloba L. leaf extract in retrogression of experimental CRC. Adult male Sprague-Dawley rats were administered N-methylnitrosourea (N-MNU; 2mg in 0.5ml water/rat) intrarectally thrice a week for five weeks to induce CRC, followed by treatment with either 5-fluorouracil (5-FU; 12...
August 28, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28854404/separation-and-characterization-of-chemical-constituents-in-ginkgo-biloba-extract-by-off-line-hydrophilic-interaction%C3%A3-reversed-phase-two-dimensional-liquid-chromatography-coupled-with-quadrupole-time-of-flight-mass-spectrometry
#8
Shuai Ji, Dan-Dan He, Tian-Yun Wang, Jie Han, Zheng Li, Yan Du, Jia-Hui Zou, Meng-Zhe Guo, Dao-Quan Tang
Ginkgo biloba extract (GBE), derived from the leaves of Ginkgo biloba L., is one of the most widely used traditional Chinese medicines worldwide. Due to high structural diversity and low abundance of chemical constituents in GBE, conventional reversed-phase liquid chromatography has limited power to meet the needs of its quality control. In this study, an off-line hydrophilic interaction×reversed-phase two-dimensional liquid chromatography (HILIC×RP 2D-LC) system coupled with diode array detection (DAD) and quadrupole time-of-flight mass spectrometry (qTOF-MS) was established to comprehensively analyze the chemical constituents of GBE...
August 8, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28852469/ginkgetin-aglycone-ameliorates-lps-induced-acute-kidney-injury-by-activating-sirt1-via-inhibiting-the-nf-%C3%AE%C2%BAb-signaling-pathway
#9
Junwei Zhang, Suxia Yang, Fang Chen, Huicong Li, Baoping Chen
BACKGROUND: Ginkgetin aglycone (GA), a novel Ginkgo biloba extract (GBE) by acid hydrolysis and recrystallization, is characterized by higher liposolubility and antioxidation than classical GBEs. There is no study depicting the functional role of GA in acute kidney injury (AKI). Here, we firstly reported the protective effect of GA on lipopolysaccharide (LPS)-induced AKI and its underlying mechanism. METHODS: ELISA analysis was applied to measure plasma level of TNF-α and IL-6, and NF-κB activity in kidney homogenate...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28840687/-optimize-dropping-process-of-ginkgo-biloba-dropping-pills-by-using-design-space-approach
#10
Ji-Chen Shen, Qing-Qing Wang, An Chen, Fang-Lai Pan, Xing-Chu Gong, Hai-Bin Qu
In this paper, a design space approach was applied to optimize the dropping process of Ginkgo biloba dropping pills. Firstly, potential critical process parameters and potential process critical quality attributes were determined through literature research and pre-experiments. Secondly, experiments were carried out according to Box-Behnken design. Then the critical process parameters and critical quality attributes were determined based on the experimental results. Thirdly, second-order polynomial models were used to describe the quantitative relationships between critical process parameters and critical quality attributes...
July 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28809433/pharmacokinetic-and-ocular-microdialysis-study-of-oral-ginkgo-biloba-extract-in-rabbits-by-uplc-ms-ms-determination
#11
Shuya Wang, Ding Li, Jiaxin Pi, Wen Li, Bing Zhang, Dongli Qi, Nan Li, Pan Guo, Zhidong Liu
OBJECTIVES: The purpose of this work was to determine and investigate the absorption of ginkgo terpenoids (GT) in plasma and aqueous humour after oral administration of ginkgo biloba extract (GBE) by UPLC-MS/MS method. METHODS: The UPLC-MS/MS determination of GT employed the multiple reaction monitoring mode using an electrospray negative ionization. The rabbits were orally administered the suspension of GBE at a dose of 500 mg/kg. Serial plasma and dialysate samples were collected at the corresponding time and then analysed by UPLC-MS/MS...
August 15, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28807163/effect-of-chinese-herbal-medicine-on-alzheimer-s-disease
#12
Melanie-Jayne R Howes, Rui Fang, Peter J Houghton
Alzheimer's disease (AD) is reaching epidemic proportions yet treatment strategies are limited and are restricted to providing symptomatic relief for the cognitive and behavioral and psychological symptoms of dementia (BPSD). Chinese herbal medicine (CHM) has been a valuable source of medicines for centuries and research has burgeoned in recent years to understand the scientific basis for their use. Some plants have been used in CHM for AD symptoms (e.g., Polygala tenuifolia), while others are CHMs for different conditions, but they show mechanistic effects relevant to AD (e...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28804233/effects-of-physical-activity-and-ginkgo-biloba-on-cognitive-function-and-oxidative-stress-modulation-in-ischemic-rats
#13
Ladan Vaghef, Hassan Bafandeh Gharamaleki
Either exercise or Ginkgo biloba is reported to improve cognitive functioning. The aim of this study is to compare the protective effects of forced exercise and Ginkgo biloba on oxidative stress as well as memory impairments induced by transient cerebral ischemia. Adult male Wistar rats were treated with treadmill running or Ginkgo biloba extract for 2 weeks before cerebral ischemia. Memory was assessed using a Morris water maze (MWM) task. At the end of the behavioral testing, oxidative stress biomarkers were evaluated in the hippocampus tissue...
September 2017: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28800704/qualitative-and-quantitative-analysis-of-carbohydrate-modification-on-glycoproteins-from-seeds-of-ginkgo-biloba
#14
Ting Wang, Xiao-Chun Hu, Zhi-Peng Cai, Josef Voglmeir, Li Liu
Recent progress in the relationship between carbohydrate cross-reactive determinants (CCDs) and allergic response highlights the importance of carbohydrate moieties in the innate immune system. Previous research pointed out that the protein allergen in Ginkgo biloba seeds is glycosylated, and the oligosaccharides conjugated to these proteins might also contribute to the allergy. The aim of this study was to analyze carbohydrate moieties, especially N-linked glycans, of glycoproteins from Ginkgo seeds originating from different places for detailed structures, to enable further research on the role played by N-glycans in Ginkgo-caused allergy...
September 6, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28797065/a-systematic-review-of-the-pharmacokinetic-and-pharmacodynamic-interactions-of-herbal-medicine-with-warfarin
#15
Songie Choi, Dal-Seok Oh, Ui Min Jerng
OBJECTIVES: The aim of this study was to systematically review data regarding pharmacokinetic (PK)-pharmacodynamic (PD) parameters from randomized controlled trials relating to interactions between herbal medicines and warfarin. METHODS: Three electronic databases were searched to identify relevant trials. Two reviewers independently performed the study selection and data extraction. The risk of bias and reporting quality were also assessed independently by two reviewers using the Cochrane risk of bias tool and the consolidated standards of reporting trials (CONSORT)...
2017: PloS One
https://www.readbyqxmd.com/read/28791261/rationale-of-combination-therapy-with-antioxidants-in-medical-management-of-peyronie-s-disease-results-of-clinical-application
#16
Gianni Paulis, Andrea Paulis, Gennaro Romano, Davide Barletta, Andrea Fabiani
Peyronie's disease (PD) is a connective tissue disorder involving the tunica albuginea of the corpora cavernosa of the penis. We have published several studies describing a "combined therapy" for PD patients, but the present study aims to clearly demonstrate how the association between various antioxidants in PD treatment can significantly increase the likelihood of therapeutic success. We used the following substances: silymarin, ginkgo biloba, vitamin E, bilberry, topical diclofenac sodium, and pentoxifylline (PTX)...
2017: Research and Reports in Urology
https://www.readbyqxmd.com/read/28780415/ginkgo-biloba-extracts-loaded-starch-nano-spheres-preparation-characterization-and-in-vitro-release-kinetics
#17
Tao Wang, Caie Wu, Gongjian Fan, Tingting Li, Hao Gong, Fuliang Cao
Ginkgo as a promising edible material and herbal medicine has received much attention due to its abundant starch contents and functional ingredient ginkgo biloba extracts (GBEs). Many foreign scholars suggest that GBEs can effectively ameliorate the symptoms of mild memory impairment and Alzheimer's dementia. However, an insurmountable problem with application of the GBEs is its low bioavailability, which restricts its application in vivo. Considering the biocompatibility between GBEs and starch, we have prepared ginkgo and corn starch-based nano-carriers, and thereby loaded GBEs onto starch nano-spheres (SNPs) by nanoprecipitation...
August 2, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28772005/the-effects-of-antioxidants-on-ocular-blood-flow-in-patients-with-glaucoma
#18
Alon Harris, Josh Gross, Nicholas Moore, Thai Do, Amelia Huang, Willy Gama, Brent Siesky
PURPOSE: To investigate the effects of an antioxidant dietary supplement that includes Ginkgo biloba, on retinal and retrobulbar blood flow in patients with open-angle glaucoma (OAG). METHODS: Forty-five patients with confirmed OAG were enroled in a randomized, double blinded, placebo-controlled cross-over study. Baseline and postadministration measurements of intraocular pressure (IOP), ocular perfusion pressure (OPP), retrobulbar blood flow, and retinal capillary blood flow were non-invasively measured (ultrasound and laser Doppler modalities, respectively) before and one month after antioxidant nutraceuticals and placebo administration...
August 3, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28762712/common-herbal-dietary-supplement-drug-interactions
#19
REVIEW
Gary N Asher, Amanda H Corbett, Roy L Hawke
Nearly 25% of U.S. adults report concurrently taking a prescription medication with a dietary supplement. Some supplements, such as St. John's wort and goldenseal, are known to cause clinically important drug interactions and should be avoided by most patients receiving any pharmacologic therapy. However, many other supplements are predicted to cause interactions based only on in vitro studies that have not been confirmed or have been refuted in human clinical trials. Some supplements may cause interactions with a few medications but are likely to be safe with other medications (e...
July 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/28738521/ginkgo-biloba-exocarp-extracts-induces-autophagy-in-lewis-lung-cancer-cells-involving-ampk-mtor-p70s6k-signaling-pathway
#20
Chenjie Cao, Dongdong Han, Ya Su, Yu Ge, Huasheng Chen, Aihua Xu
OBJECTIVES: Ginkgo biloba L. is called a living fossil plant, and could be used for the treatment of cancer thousands of years ago in China. The extracts prepared from the Ginkgo biloba exocarp (Ginkgo biloba exocarp extracts, GBEE) has a significant anti-cancer effect. Autophagy plays an important role in the occurrence and development of cancer as programmed cell death (PCD) type II. Thus it would be interesting to study the effects and mechanisms of GBEE inducing autophagy in Lewis lung cancer (LLC) cells...
September 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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