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Chinese Journal of Natural Medicines

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https://www.readbyqxmd.com/read/28527517/holistic-evaluation-of-san-huang-tablets-using-a-combination-of-multi-wavelength-quantitative-fingerprinting-and-radical-scavenging-assays
#1
Yan Wang, Guo-Xiang Sun, Yang Jin, Xiu-Man Xie, Ying-Chun Liu, Di-Di Ma, Jing Zhang, Jia-Yue Gao, Yan-Fei Li
The present study was designed to establish a multi-wavelength quantitative fingerprinting method for San-Huang Tablets (SHT), a widely used and commercially available herbal preparation, where high performance liquid chromatography (HPLC) with a diode array detector (DAD) was employed to obtain the fingerprint profiles. A simple linear quantitative fingerprint method (SLQFM) coupled with multi-ingredient simultaneous determination was developed to evaluate the quality consistency of the tested samples qualitatively and quantitatively...
April 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28527516/a-feasible-economical-and-accurate-analytical-method-for-simultaneous-determination-of-six-alkaloid-markers-in-aconiti-lateralis-radix-praeparata-from-different-manufacturing-sources-and-processing-ways
#2
Yi-Bei Zhang, Juan DA, Jing-Xian Zhang, Shang-Rong Li, Xin Chen, Hua-Li Long, Qiu-Rong Wang, Lu-Ying Cai, Shuai Yao, Jin-Jun Hou, Wan-Ying Wu, De-An Guo
Aconiti Lateralis Radix Praeparata (Fuzi) is a commonly used traditional Chinese medicine in clinic for its potency in restoring yang and rescuing from collapse. Aconiti alkaloids, mainly including monoester-diterpenoidaconitines (MDAs) and diester-diterpenoidaconitines (DDAs), are considered to act as both bioactive and toxic constituents. In the present study, a feasible, economical, and accurate HPLC method for simultaneous determination of six alkaloid markers using the Single Standard for Determination of Multi-Components (SSDMC) method was developed and fully validated...
April 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28527515/optimization-of-critical-medium-components-for-enhancing-antibacterial-thiopeptide-nocathiacin-i-production-with-significantly-improved-quality
#3
Mao-Yu Yang, Jia-Wei Zhang, Xu-Ri Wu, Yi-Jun Chen
Nocathiacin I, a glycosylated thiopeptide antibiotic, displays excellent antibacterial activities against multidrug resistant bacterial pathogens. Previously, a novel nocathiacin I formulation for intravenous administration has been successfully developed and its aqueous solubility is greatly enhanced for clinical application. The purpose of the present study was to increase the fermentation titer of nocathiacin I and reduce or eliminate analogous impurities by screening the medium ingredients using response surface methodology...
April 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28527514/megastigmane-glucosides-isolated-from-dichrocephala-benthamii
#4
Bo Song, Jin-Guang Si, Meng Yu, Xiao-Hui Tian, Gang Ding, Zhong-Mei Zou
The present study was designed to investigate the chemical constituents of the whole herb of Dichrocephala benthamii. A new megastigmane glucoside (compound 1), together with its four known analogues (compounds 2-5), was obtained. Their structures were elucidated on the basis of spectroscopic analyses (UV, IR, MS, and 1D and 2D NMR). The absolute configuration of compound 1 was assigned on the basis of CD method and chemical evidence. In addition, their cytotoxicity against human hepatoma cells (HepG-2) was evaluated by the MTT method...
April 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28527513/enzymatic-biosynthesis-of-novel-neobavaisoflavone-glucosides-via-bacillus-udp-glycosyltransferase
#5
Tao Ma, Yi-Qun Dai, Nan Li, Qiang Huo, Hong-Mei Li, Yu-Xin Zhang, Zheng-Hao Piao, Cheng-Zhu Wu
The present study was designed to perform structural modifications of of neobavaisoflavone (NBIF), using an in vitro enzymatic glycosylation reaction, in order to improve its water-solubility. Two novel glucosides of NBIF were obtained from an enzymatic glycosylation by UDP-glycosyltransferase. The glycosylated products were elucidated by LC-MS, HR-ESI-MS, and NMR analysis. The HPLC peaks were integrated and the concentrations in sample solutions were calculated. The MTT assay was used to detect the cytotoxic activity of compounds in cancer cell lines...
April 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28527512/protective-effect-of-capsaicin-against-methyl-methanesulphonate-induced-toxicity-in-the-third-instar-larvae-of-transgenic-drosophila-melanogaster-hsp70-lacz-bg-9
#6
Saba Khanam, Ambreen Fatima, Rahul Smita Jyoti, Fahad Ali, Falaq Naz, Barkha Shakya, Yasir Hasan Siddique
Capsaicin (trans-8-methyl-N-vanillyl-6-nonenamide) is the main component in hot peppers, including red chili peppers, jalapenos, and habanero, belonging to the genus Capsicum. Capsaicin is a potent antioxidant that interferes with free radical activities. In the present study, the possible protective effect of capsaicin was studied against methyl methanesulphonate (MMS) induced toxicity in third instar larvae of transgenic Drosophila melanogaster (hsp70-lacZ)Bg(9). The third instar was allowed to feed on the diet having different doses of capsaicin and MMS separately and in combination...
April 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28527511/accumulation-of-biomass-and-four-triterpenoids-in-two-stage-cultured-poria-cocos-mycelia-and-diuretic-activity-in-rats
#7
Gao-Sheng Hu, Chong-Gui Huang, Yang Zhang, Wei Xiao, Jing-Ming Jia
Poria cocos (Schw.) Wolf, an important medicinal and food fungus, is well known in East Asia. Due to growing market demand, long cultivation period, and consumption of pine trunk during cultivation, developing alternative methods for producing P. cocos and/or its active components is of interest. In the present study, the effects of different culture methods on biomass and accumulation of four triterpenoids were investigated. The ethanol extract of fermented mycelium (EFM) was orally administered to rats. Urine output and concentrations of electrolytes (Na(+), K(+), and Cl(-)) were measured...
April 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28527510/saposhnikoviae-divaricata-a-phytochemical-pharmacological-and-pharmacokinetic-review
#8
REVIEW
Jenny Kreiner, Edwin Pang, George Binh Lenon, Angela Wei Hong Yang
Saposhnikoviae divaricata (Turcz.) Schischk (SD) is a traditional Chinese herb commonly used to treat clinical conditions such as rheumatism and allergic rhinitis. This review article evaluates a collection of works on in vitro and biochemical studies of SD. The discourse on the diverse class of chromones and coumarins in SD offers an insight to the pharmacological effects of these bioactive constituents as anti-inflammatory, analgesic, immunoregulatory, antioxidative, and anti-proliferative agents. It is highlighted that there is a structural relationship between the constituents and bioactive activities, which in effect provides a valid reasoning and reaffirm the use of SD in the treatment of the pathologies in Chinese medicine...
April 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28527509/impact-of-qi-invigorating-traditional-chinese-medicines-on-intestinal-flora-a-basis-for-rational-choice-of-prebiotics
#9
REVIEW
Xiao-Meng Wang, Xiao-Bo Li, Ying Peng
According to the theory of traditional Chinese medicine (TCM), Qi (vital energy) is regarded as a driving force of biological activities in human body, including both nutrient substances and organ functions. Qi-invigorating TCMs are widely used to treat various symptoms and disorders, such as fatigue, obesity, immunosuppression, intestinal flora imbalance, and gastrointestinal diseases, in which Qi is considered to be reduced or depleted. Interestingly, abundant clinical evidences suggest that these disorders are associated with the alternation of intestinal flora, which directly affects disease status...
April 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28411692/quantitation-of-camellianin-a-in-hepg2-cells-using-a-high-performance-liquid-chromatography-electrospray-ionization-tandem-mass-spectrometric-method
#10
Qian-Qian Chen, Hai-Ling Xi, Cai-Yun Wang, Feng-Guo Xu, Wei Zhang
The present study was designed to develop a sensitive and selective high performance liquid chromatography-tandem mass spectrometric method for the determination of Camellianin A in HepG2 cells. The extraction of Camellianin A was achieved using 15% trichloroacetic acid and then separated on a C18 column interfaced with a triple quadrupole tandem mass spectrometer in multiple reaction monitoring mode. The mobile phase was consisted of methanol-water (0.1% formic acid) (55 : 45, V/V). The total run time was 5...
March 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28411691/flavonoids-isolated-from-sinopodophylli-fructus-and-their-bioactivities-against-human-breast-cancer-cells
#11
Qing-Hui Wang, Shuai Guo, Xue-Yan Yang, Yi-Fan Zhang, Ming-Ying Shang, Ying-Hui Shang, Jun-Jun Xiao, Shao-Qing Cai
Four prenylated flavonoids compounds 1-4, named sinopodophyllines A-D, and a flavonoid glycoside (compound 13), sinopodophylliside A, together with 19 known compounds (compounds 5-12 and 14-24) were isolated from the fruits of Sinopodophyllum hexandrum. The structures of new compounds were elucidated by extensive spectroscopic analysis, including HRESIMS, 1D and 2D NMR. Compounds 1-6, 9-11, and 14-17 were tested for their cytotoxicity against human breast-cancer T47D, MCF-7 and MDA-MB-231 cells in vitro, and compounds 2, 5, 6, 10 and 11 showed significant cytotoxicity (IC50 values < 10 μmol·L(-1)) against T47D cells...
March 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28411690/two-new-steroidal-saponins-isolated-from-anemarrhena-asphodeloides
#12
Xing-Huan Sun, Fu-Tao Zhu, Yu-Wei Zhang, Fang-Fang Chen, Yun Yu, Ning-Ning Song, Xue-Feng Huang
Two new steroidal saponins, named timosaponin P (1) and timosaponin Q (2), were isolated from the rhizome parts of Anemarrhena asphodeloides Bunge using various chromatographic methods. Their structures and absolute configurations were elucidated by a combination of spectroscopic and spectrometric data, including 1D, 2D NMR, HR-ESI-MS and ECD calculations, and this is the first time the absolute configuration of C-23 of steroidal saponin was confirmed by ECD calculations.
March 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28411689/moutan-cortex-and-paeoniae-radix-rubra-reverse-high-fat-diet-induced-metabolic-disorder-and-restore-gut-microbiota-homeostasis
#13
Ling-Jun Zhong, Zhi-Sheng Xie, Hua Yang, Ping Li, Xiao-Jun Xu
The present study was designed to investigate the therapeutic effcts of Moutan Cortex (CM, root bark of Paeonia suffruticosa Andr) and Paeoniae Radix Rubra (PR, root of Paeonia veitchii Lynch) on metabolic disorders, focusing on the infuence of CM and PR on the obesity-related gut microbiota homeostasis. The diet-induced obese (DIO) mouse model was used to test the therapeutic effects of CM and PR. The mice were orally administered with CM and PR for 6 weeks, and oral glucose tolerance test (OGTT) and insulin tolerance test (ITT) were performed to evaluate the insulin sensitivity of the mice...
March 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28411688/anti-inflammatory-and-membrane-stabilizing-properties-of-methyl-jasmonate-in-rats
#14
Solomon Umukoro, Akinyinka Oladipo Alabi, Anthony Taghogho Eduviere, Abayomi Mayowa Ajayi, Oluwafemi Gabriel Oluwole
The present investigation was carried out to evaluate anti-inflammatory and membrane stabilizing properties of methyl jasmonate (MJ) in experimental rat models of acute and chronic inflammation. The effects of MJ on acute inflammation were assessed using carrageenan-induced rat's paw edema model. The granuloma air pouch model was employed to evaluate the effects of MJ on chronic inflammation produced by carrageenan in rats. The number of white blood cells (WBC) in pouch exudates was estimated using light microscopy...
March 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28411687/oral-administration-of-red-ginseng-powder-fermented-with-probiotic-alleviates-the-severity-of-dextran-sulfate-sodium-induced-colitis-in-a-mouse-model
#15
Sun-Hee Jang, Jisang Park, Sae-Hae Kim, Kyung-Min Choi, Eun-Sil Ko, Jeong-Dan Cha, Young-Ran Lee, Hyonseok Jang, Yong-Suk Jang
Red ginseng is a well-known alternative medicine with anti-inflammatory activity. It exerts pharmacological effects through the transformation of saponin into metabolites by intestinal microbiota. Given that intestinal microflora vary among individuals, the pharmacological effects of red ginseng likely vary among individuals. In order to produce homogeneously effective red ginseng, we prepared probiotic-fermented red ginseng and evaluated its activity using a dextran sulfate sodium (DSS)-induced colitis model in mice...
March 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28411686/mechanism-underlying-berberine-s-effects-on-hsp70-tnf%C3%AE-under-heat-stress-correlation-with-the-tata-boxes
#16
Jing-Fei Jiang, Fan Lei, Zhi-Yi Yuan, Yu-Gang Wang, Xin-Pei Wang, Xiao-Jin Yan, Xuan Yu, Dong-Ming Xing, Li-Jun DU
Heat stress can stimulate an increase in body temperature, which is correlated with increased expression of heat shock protein 70 (HSP70) and tumor necrosis factor α (TNFα). The exact mechanism underlying the HSP70 and TNFα induction is unclear. Berberine (BBR) can significantly inhibit the temperature rise caused by heat stress, but the mechanism responsible for the BBR effect on HSP70 and TNFα signaling has not been investigated. The aim of the present study was to explore the relationship between the expression of HSP70 and TNFα and the effects of BBR under heat conditions, using in vivo and in vitro models...
March 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28411685/antihyperglycemic-antihyperlipidemic-and-antioxidant-effects-of-standard-ethanol-extract-of-bombax-ceiba-leaves-in-high-fat-diet-and-streptozotocin-induced-type-2-diabetic-rats
#17
Guang-Kai Xu, Xiao-Ying Qin, Guo-Kai Wang, Guo-Yong Xie, Xu-Sen Li, Chen-Yu Sun, Bao-Lin Liu, Min-Jian Qin
The present study aimed at exploring the therapeutic potential of standard extract of Bombax ceiba L. leaves (BCE) in type 2 diabetic mellitus (T2DM). Oral administration of BCE at doses of 70, 140, and 280 mg·kg(-1), to the normal rats and the high-fat-diet- and streptozotocin-induced T2DM rats were carried out. Effects of BCE on blood glucose, body weight, and a range of serum biochemical parameters were tested, and histopathological observation of pancreatic tissues was also performed. HPLC-ESI-Q/TOF-MS/MS analysis indicated that the chemical composition of BCE mainly contained mangiferin, isoorientin, vitexin, isomangiferin, isovitexin, quercetin hexoside, 2'-trans-O-cumaroyl mangiferin, and nigricanside...
March 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28411684/in-vivo-antimalarial-activity-of-synthetic-hepcidin-against-plasmodium-berghei-in-mice
#18
Ya-Qun Fang, Chuan-Bin Shen, Ning Luan, Hui-Min Yao, Chen-Bo Long, Ren Lai, Xiu-Wen Yan
The present study was designed to investigate the antimalarial activity of synthetic hepcidin and its effect on cytokine secretion in mice infected with Plasmodium berghei. The mice were infected with P. berghei intravenously and treated with hepcidin according to 4-day suppression test and Rane's test. The serum levels of interleukins (IL-1β, IL-2, IL-6, IL-10, IL-12p70, and IL-17A), tumor necrosis factor-α (TNF-α), and interferon-γ (IFN-γ) in the experimental mice were determined using a cytometric bead array (CBA) kit...
March 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28284430/antioxidant-and-cardioprotective-effects-of-ilex-cornuta-on-myocardial-ischemia-injury
#19
Yan Yuan, Shu Pan, Shi-Lin Yang, Yan-Li Liu, Qiong-Ming Xu
Previous studies have indicated that the Ilex genus exhibits antioxidant, neuroprotective, hepatoprotective, and anti-inflammatory activities. However, the pharmacologic action and mechanisms of Ilex cornuta against cardiac diseases have not yet been explored. The present study was designed to investigate the antioxidant and cardioprotective effects of Ilex cornuta root with in vitro and in vivo models. The anti-oxidative effects of the extract of Ilex cornuta root (ICR) were measured by 2, 2-diphenyl-1-picrylhydrazyl (DPPH) free-radical scavenging and MTT assays as well as immunoassay...
February 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28284429/pharmacology-of-mangostins-and-their-derivatives-a-comprehensive-review
#20
REVIEW
Ming-Hui Wang, Kuo-Jun Zhang, Qin-Lan Gu, Xiao-Ling Bi, Jin-Xin Wang
Mangosteen (Garcinia mangostana Linn.) is a well-known tropical tree indigenous to Southeast Asia. Its fruit's pericarp abounds with a class of isoprenylated xanthones which are referred as mangostins. Numerous in vitro and in vivo studies have shown that mangostins and their derivatives possess diverse pharmacological activities, such as antibacterial, antifungal, antimalarial, anticarcinogenic, antiatherogenic activities as well as neuroprotective properties in Alzheimer's disease (AD). This review article provides a comprehensive review of the pharmacological activities of mangostins and their derivatives to reveal their promising utilities in the treatment of certain important diseases, mainly focusing on the discussions of the underlying molecular targets/pathways, modes of action, and relevant structure-activity relationships (SARs)...
February 2017: Chinese Journal of Natural Medicines
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