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Wouter S Lamme, Jovana Zečević, Krijn P de Jong
The effects of the metal deposition and activation methods on metal particle size and distribution were investigated for carbon nanotube supported Pd catalysts. The Pd precursor was loaded by incipient wetness impregnation, ion adsorption, and deposition precipitation and was activated by thermal treatment under a nitrogen atmosphere or in the liquid phase by reduction by formaldehyde or sodium borohydride. Regardless of the metal precursor loading method, activation under a N2 atmosphere at 500 °C led to homogeneously distributed 4 nm Pd particles...
April 9, 2018: ChemCatChem
Weifeng Li, Wenbing Zhi, Jinmeng Zhao, Qing Yao, Fang Liu, Xiaofeng Niu
Cinnamaldehyde (Cin), as a traditional flavor constituent isolated from the bark of Cinnamonum cassia Presl, has been commonly used for - digestive, cardiovascular and immune system diseases. The pathology of vascular smooth muscle cells (VSMCs) accelerated the progression of atherosclerosis. In our study, we found that cinnamaldehyde significantly suppressed ox-LDL-induced VSMCs proliferation, migration and inflammatory cytokine overproduction, as well as foam cell formation in VSMCs and macrophages. Moreover, cinnamaldehyde inhibited the phosphorylation of p38, JNK and p65 NF-κB and increased heme oxygenase-1 (HO-1) activity...
May 16, 2018: Vascular Pharmacology
Mami Horie, Kazuki Takahashi, Hidetaka Nanao, Masayuki Shirai
Platinum nanosheets between graphite layers were prepared by a thermal treatment of the mixture of platinum chloride (IV) and graphite powder under 0.3 MPa of chlorine at 723 K for 7 days, followed by the reduction under 40 kPa of hydrogen at 573 K for 1 h. Two-dimensional platinum metal nanosheets of 1-3 nm thickness and of 100-200 nm width were intercalated between graphite layers (Pt-GIC). The platinum nanosheets had a number of hexagonal holes and edges with angle of 120°. Liquid phase hydrogenation of cinnamaldehyde (CAL) was studied over Pt-GIC which was compared with that over platinum metal particles supported on graphite layers (Pt/Gmix)...
January 1, 2018: Journal of Nanoscience and Nanotechnology
Hongfei Zhang, Weizheng Li, Jingjing An, Gaoping Wang, Xianru Guo, Pu Hu, Guohui Yuan
The cigarette beetle, Lasioderma serricorne (F.) (Coleoptera: Anobiidae) is a destructive pest species of tobacco. Olfactory repellents derived from permitted tobacco flavorants have the advantage of not adversely effecting tobacco flavor. Among 12 test compounds, neral exhibited the strongest repellent effect. Among six binary blends prepared, three blends (neral + ethyl cinnamate, neral + cinnamaldehyde, and neral + methyl cinnamate) evoked the strongest repellent response. The interactions between neral and any one of the cinnamic acid derivatives were additive, and the interactions between neral and the cinnamic acid derivatives were antagonistic...
May 12, 2018: Journal of Economic Entomology
Yésica P Zaio, Gerardo Gatti, Andrés A Ponce, Natalia A Saavedra Larralde, María J Martinez, María P Zunino, Julio A Zygadlo
BACKGROUND: Insecticidal activity and repellent effects on adults of Sitophilus zeamais of 12 cinnamaldehyde-related compounds was evaluated by contact toxicity bioassays and a two-choice olfactometer, respectively. To determine non-toxicity in mammals, additionally, body weight, serum biochemical profiles, liver weight, physiological parameters, sperm motility and histopathological data were obtained as complementary information in C57BL/6 mice, treated with the best natural compound...
May 13, 2018: Journal of the Science of Food and Agriculture
J Oh, M Harper, C H Lang, E H Wall, A N Hristov
This experiment was conducted to investigate the effects of phytonutrients, compared with monensin as a positive control, on productivity, milk fatty acids, fat mobilization, and blood cells in lactating dairy cows. Thirty-six Holstein cows were used in a 9-wk randomized complete block design study. Following a 2-wk covariate period, cows were blocked by days in milk, parity, and milk yield and randomly assigned to 1 of 3 treatments (12 cows/treatment): 450 mg/cow per day of monensin (MO), 250 mg/cow per day of capsicum plus 450 mg/cow per day of MO (MOCAP), and 1,000 mg/cow per day of a mixture of cinnamaldehyde, eugenol, and capsicum (CEC)...
May 9, 2018: Journal of Dairy Science
Hasan Hüseyin İpçak, Ahmet Alçiçek
Background: In recent years, with the prohibition of antibiotics used as growth stimulants in the nutrition of farm animals, researchers have searched for alternative natural and reliable products in order to be able to sustain the developments experienced during the use of antibiotics and to overcome the possible inconveniences. In this context, studies on evaluation of essential oils in poultry nutrition have been reported to improve the utilization of feed, stimulate the release of digestive enzymes, increase absorption in the stomach and intestines, antimicrobial and anti-parasitic effects and thus, can be an alternative to antibiotics and improve meat quality as well...
2018: Journal of Animal Science and Technology
Chi-Ya Huang, Ting-Feng Yeh, Fu-Lan Hsu, Chun-Ya Lin, Shang-Tzen Chang, Hui-Ting Chang
The xanthine oxidase inhibitory activity and thermostability of Cinnamomum osmophloeum leaf oil microencapsulated with β-cyclodextrin were evaluated in this study. The yield of leaf oil microcapsules was 86.3% using the optimal reaction conditions at the leaf oil to β-cyclodextrin ratio of 15:85 and ethanol to water ratio ranging from 1:3 to 1:5. Based on the FTIR analysis, the characteristic absorption bands of major constituent, trans -cinnamaldehyde, were confirmed in the spectra of leaf oil microcapsules...
May 7, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Rong-Hua Zhang, Chao-Ran Li, Hua Yang, Meng-Ning Li, Karl W K Tsim, Ping Li, Wen Gao
Guizhi Fuling capsule (GFC), a traditional Chinese medicine (TCM) with effects of promoting blood circulation and dissipating blood stasis, has been widely used in the clinic. Because of the complex matrix and various chemical structure types, quality control of GFC remains great challenge. In the present study, an ultra performance liquid chromatography hybrid triple-quadrupole mass spectrometry (UPLC-QQQ MS) method with ultrafast positive/negative ionization switching was developed for simultaneous determination of 18 bioactive components in GFC, including methyl gallate, ethyl gallate, oxypaeoniflorin, benzoic acid, albiflorin, paeonolide, paeoniflorin, 1, 2, 3, 4, 6-pentagalloylglucose, mudanpioside C, benzoyloxypaeoniflorin, benzoylpaeoniflorin, pachymic acid, amygdalin, cinnamaldehyde, paeonol, cinnamic acid, 4-hydroxybenzoic acid, and gallic acid...
April 2018: Chinese Journal of Natural Medicines
N G Vasconcelos, J Croda, S Simionatto
BACKGROUND: In the current healthcare environment, an alarming rise in multi-drug resistant bacterial infections has led to a global health threat. The lack of new antibiotics has created a need for developing alternative strategies. OBJECTIVE: Understanding the antibacterial mechanisms of Cinnamon and its constituents is crucial to enhance it as a potential new source of antibiotic. The objective of this review is to provide a compilation of all described mechanisms of antibacterial action of Cinnamon and its constituents and synergism with commercial antibiotics in order to better understand how Cinnamon and its constituents can collaborate as alternative treatment to multi-drug resistant bacterial infections...
April 24, 2018: Microbial Pathogenesis
Zhe Deng, Meng-Jiao Jiao, Jun Zhang, Li Shen, Shu-Hui Wang, Guo-Yuan Zhang, Qing Zhang, An Liu, Yue-Sheng Wang
To build the quality standard of processed Cinnamomi Cortex standard decoction and provide quality reference for Cinnamomi Cortex formula granules. Fourteen batches of Cinnamomi Cortex standard decoction pieces were prepared according to the preparation requirements for standard decoction of Chinese herbal medicine containing volatile oil. With cinnamaldehyde as the quantitative index, the transfer rate and extraction rate were calculated; pH value was determined and HPLC fingerprint analysis method was established...
March 2018: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
Nan Zhang, Qi Shao, Pengtang Wang, Xing Zhu, Xiaoqing Huang
Although chemoselective hydrogenation of unsaturated aldehydes is the major route to highly valuable industrially demanded unsaturated alcohols, it is still challenging, as the production of saturated aldehydes is more favorable over unsaturated alcohols from the view of thermodynamics. By combining the structural features of porous nanowires (NWs) and metal-organic frameworks (MOFs), a unique class of porous Pt-Ni NWs in situ encapsuled by MOFs (Pt-Ni NWs@Ni/Fex-MOFs) is designed to enhance the unsaturated alcohols selectivity in the cinnamaldehyde (CAL) hydrogenation...
April 15, 2018: Small
Alyne Mara Rodrigues de Carvalho, Leonardo Freire Vasconcelos, Nayrton Flávio Moura Rocha, Emiliano Ricardo Vasconcelos Rios, Marília Leite Dias, Marta Maria de França Fonteles, Danielle Macêdo Gaspar, José Maria Barbosa Filho, Stanley Juan Chavez Gutierrez, Francisca Cléa Florenço de Sousa
Riparin II (RipII) has an anti-inflammatory activity potentially due its ability to decrease TNF-α and IL-1β production and its histamine antagonism. The objective of this study was to evaluate the role of RipII in the pain process and the possible antinociceptive mechanisms involved, using classic models of nociception. Male Swiss mice were used in the assays. Determinate the acute toxicity according to the OECD 425 test guideline. The models used were the acetic acid-, formalin-, hot plate and glutamate-induced nociception...
April 12, 2018: Chemico-biological Interactions
Ali Sedaghat Doost, Koen Dewettinck, Frank Devlieghere, Paul Van der Meeren
Cinnamaldehyde nanoemulsions were formulated to enable its application in an aqueous environment. The pure cinnamaldehyde nanoemulsions, stabilized by polysorbate 80 (at concentrations >0.5%), had both a higher stability and smaller droplet size, whereas the emulsions containing hydrophobically modified inulin (HMI) formed a colloidal dispersion with larger particle size. Incorporation of sunflower oil (SO) allowed postponement of Ostwald ripening for a sufficiently long period of time (at least 60 days)...
August 30, 2018: Food Chemistry
Uma Kant Sharma, Ramesh Kumar, Ashutosh Gupta, Risha Ganguly, Abhay K Pandey
Present study reports the effects of metanil yellow, a non-permitted food colouring dye, on the biomarkers of oxidative stress and kidney function in blood and renal tissue of albino Wistar rats and its mitigation by cinnamaldehyde, a major phytoconstituents of cinnamon. Oral administration of metanil yellow in rats caused about 70% reduction in ferric reducing ability (FRAP 5.1 μM/L) and 50% decline in reduced glutathione (GSH 59.27 nM/mg protein) content in plasma with simultaneous increase in serum creatinine level...
April 2018: 3 Biotech
Yuan Wang, Kewei Feng, Haihua Yang, Zhiwei Zhang, Yahong Yuan, Tianli Yue
Penicillium expansum , as a main postharvest pathogen of fruits, can secrete patulin (PAT), causing fruit decay and health problems. In this study, the antifungal test, SEM (scanning electron microscope) observation, transcriptional profile, PAT biosynthesis, and physiological characters of P. expansum exposed to cinnamaldehyde and citral combination (Cin/Cit) were evaluated. Cin/Cit could inhibit the mycelial growth and spore germination of P. expansum in a dose-dependent manner. Besides, Cin/Cit caused spores and mycelia wrinkled and depressed by SEM observation...
2018: Frontiers in Microbiology
D Ye, S K R Karnati, B Wagner, J L Firkins, M L Eastridge, J M Aldrich
The interaction of monensin and essential oil was hypothesized to suppress protozoa and methane production while maintaining normal rumen function. The objective of this study was to determine the effects of feeding monensin (MON) and CinnaGar (CIN, a commercial blend of cinnamaldehyde and garlic oil) on ruminal fermentation characteristics. Continuous culture fermentors (n = 4) were maintained in 4 experimental periods in a 4 × 4 Latin square design. Four dietary treatments were arranged in a 2 × 2 factorial: (1) control diet, 37 g/d of dry matter (40 g/d at ∼92...
March 28, 2018: Journal of Dairy Science
Li Yan, Fan Song, Hua Li, Yao Li, Jie Li, Qiao-Yan He, Di Zhang, Fang Wang, Meng Zhang, Hang Zhao, Tian Feng, Ying-Yong Zhao, Si-Wang Wang
AIMS: Idiopathic pulmonary fibrosis (IPF) is the most frequent and severe form of idiopathic interstitial pneumonias. The pathogenesis is associated with inflammation and oxidative stress and epithelial-mesenchymal transition (EMT). Cinnamaldehyde exhibits antiinflammatory and antioxidant properties, but its effect on IPF is unknown. The present study is to investigate the anti-fibrotic effect and action mechanism of cinnamaldehyde on IPF. MATERIALS AND METHODS: IPF was induced by intratracheal bleomycin in mice...
March 28, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
M Flori Sassano, Eric S Davis, James E Keating, Bryan T Zorn, Tavleen K Kochar, Matthew C Wolfgang, Gary L Glish, Robert Tarran
The e-liquids used in electronic cigarettes (E-cigs) consist of propylene glycol (PG), vegetable glycerin (VG), nicotine, and chemical additives for flavoring. There are currently over 7,700 e-liquid flavors available, and while some have been tested for toxicity in the laboratory, most have not. Here, we developed a 3-phase, 384-well, plate-based, high-throughput screening (HTS) assay to rapidly triage and validate the toxicity of multiple e-liquids. Our data demonstrated that the PG/VG vehicle adversely affected cell viability and that a large number of e-liquids were more toxic than PG/VG...
March 2018: PLoS Biology
Ah Young Song, Ha Young Choi, Eun Song Lee, Jaejoon Han, Sea C Min
Films containing microencapsulated cinnamon oil (CO) were developed using a large-scale production system to protect against the Indian meal moth (Plodia interpunctella). CO at concentrations of 0%, 0.8%, or 1.7% (w/w ink mixture) was microencapsulated with polyvinyl alcohol. The microencapsulated CO emulsion was mixed with ink (47% or 59%, w/w) and thinner (20% or 25%, w/w) and coated on polypropylene (PP) films. The PP film was then laminated with a low-density polyethylene (LDPE) film on the coated side...
March 25, 2018: Journal of Food Science
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