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https://www.readbyqxmd.com/read/29314152/optimization-of-pressurized-liquid-extraction-by-response-surface-methodology-of-goji-berry-lycium-barbarum-l-phenolic-bioactive-compounds
#1
Giusy Tripodo, Elena Ibáñez, Alejandro Cifuentes, Bienvenida Gilbert-Lopez, Chiara Fanali
Pressurized liquid extraction (PLE) has been used for the first time in this work to extract phenolic compounds from Goji berries according to a multilevel factorial design using response surface methodology. The global yield (% w/dw, weight/dry-weight), total phenolic content (TPC), total flavonoid (TF) and antioxidant activity (determined via ABTS assay, expressed as TEAC value) were used as response variables to study the effects of temperature (50-180°C) and green solvent composition (mixtures of ethanol/water)...
January 3, 2018: Electrophoresis
https://www.readbyqxmd.com/read/29314034/effect-of-drying-methods-microwave-vacuum-freeze-hot-air-and-sun-drying-on-physical-chemical-and-nutritional-attributes-of-five-pepper-capsicum-annuum-var-annuum-cultivars
#2
Vaibhav Kumar Maurya, Kodiveri Muthukaliannan Gothandam, Vijay Ranjan, Amita Shakya, Sunil Pareek
BACKGROUND: A randomized block design experiment was performed to investigate the influence of drying on the physical, chemical and nutritional quality attributes of five prominent cultivars of India under sun drying (SD) (mean temperature 35.5 o C, average daily radiation 5.26kWh/m-2 and mean relative humidity 73.66% RH), hot air drying (HD) at 65 °C, microwave-vacuum drying (MVD) (800W- 5KPa) and freeze drying (FD) (-50 °C, 5KPa). Water activity, pH, total phenolic content (TPC), ascorbic acid (AA), capsaicin, β-carotene, color, and Scoville heat unit were studied...
January 4, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29312559/overexpression-of-mir-101-promotes-trail-induced-mitochondrial-apoptosis-in-papillary-thyroid-carcinoma-by-targeting-c-met-and-mcl-1
#3
Jie Zhu, Zhenjie Li
Tumor necrosis factor-related apoptosis inducing ligand (TRAIL) induces apoptosis in malignant cells, but not in normal cells. As papillary thyroid carcinoma cells broadly expressed TRAIL receptors (death receptor 4 and death receptor 5) on their surface, TRAIL is considered as a promising drug for treatment of papillary thyroid carcinoma. However, resistance to TRAIL still be a big obstacle to achieve a satisfactory effect for cancer therapy. Here, we found that overexpression of miR-101 was able to sensitize papillary thyroid carcinoma cells to TRAIL treatment in vitro and in vivo...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29290013/physicochemical-characterization-of-sterilized-muds-for-pharmaceutics-cosmetics-applications
#4
Maria D Kamitsou, Varvara Sygouni, Dimitra G Kanellopoulou, Konstantinos Gardikis, Petros G Koutsoukos
Clays and muds have been used for centuries as cosmetics or pharmaceutical products for various therapies. The suitability of muds and clays for health- and beauty-related applications depends on their physicochemical properties, mineralogical composition, particle characteristics and toxicity. In this work, the physicochemical characterization of 12 mud specimens from different natural spa resorts in Greece and one from Israel (Dead Sea) is presented. All specimens were sterilized at 121 °C for 20 min, because of their intended use...
December 30, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/29287442/thermosonication-process-for-optimal-functional-properties-in-carrot-juice-containing-orange-peel-and-pulp-extracts
#5
Oladipupo Q Adiamo, Kashif Ghafoor, Fahad Al-Juhaimi, Elfadil E Babiker, Isam A Mohamed Ahmed
Aqueous extracts of orange peel and pulp with high total phenolic contents (TPC) (25.94 and 11.38 mg GAE/g extracts, respectively) were employed in the formulation of functional carrot juice and functional juices were treated using thermosonication process. In accordance with Box-Behnken design, 17 runs with 3 variables and 3 levels was applied for the optimization of the carrot juice with peel (CJPL) and pulp (CJPP) extracts. Overlaid contour plots prediction showed that the optimal conditions for CJPL were 125 mL juice volume, 6...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29285650/synergistic-cytotoxicity-of-the-dipeptidyl-peptidase-iv-inhibitor-gemigliptin-with-metformin-in-thyroid-carcinoma-cells
#6
Si Hyoung Kim, Jun Goo Kang, Chul Sik Kim, Sung-Hee Ihm, Moon Gi Choi, Hyung Joon Yoo, Seong Jin Lee
PURPOSE: The influence of the dipeptidyl peptidase-IV inhibitor, gemigliptin alone or in combination with metformin on survival, proliferation, and migration of thyroid carcinoma cells was investigated. METHODS: SW1736 and TPC-1 human thyroid carcinoma cells were used. RESULTS: Gemigliptin and metformin caused cell death in a dose-dependent manner. In cells treated with both gemigliptin and metformin, compared with metformin alone, all of the combination index values were lower than 1...
December 28, 2017: Endocrine
https://www.readbyqxmd.com/read/29280970/background-registration-based-adaptive-noise-filtering-of-lwir-mwir-imaging-sensors-for-uav-applications
#7
Byeong Hak Kim, Min Young Kim, You Seong Chae
Unmanned aerial vehicles (UAVs) are equipped with optical systems including an infrared (IR) camera such as electro-optical IR (EO/IR), target acquisition and designation sights (TADS), or forward looking IR (FLIR). However, images obtained from IR cameras are subject to noise such as dead pixels, lines, and fixed pattern noise. Nonuniformity correction (NUC) is a widely employed method to reduce noise in IR images, but it has limitations in removing noise that occurs during operation. Methods have been proposed to overcome the limitations of the NUC method, such as two-point correction (TPC) and scene-based NUC (SBNUC)...
December 27, 2017: Sensors
https://www.readbyqxmd.com/read/29273292/reduction-of-particles-in-the-operating-room-using-ultraviolet-air-disinfection-and-recirculation-units
#8
Gannon L Curtis, Mhamad Faour, Michael Jawad, Alison K Klika, Wael K Barsoum, Carlos A Higuera
BACKGROUND: Airborne bacteria are a major source for wound contamination during total joint arthroplasty. Crystalline ultraviolet C (C-UVC) filter units were designed to disinfect and recirculate air in the operating room (OR). This preliminary study assessed the particle reducing capacity of C-UVC units in a highly controlled OR setting. METHODS: A particle counter was deployed in a positive-pressure OR to measure total and viable particle counts (TPC/VPC). Thirty 23-minute experiments were performed...
December 5, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29250166/reactivity-of-thyroid-papillary-carcinoma-cells-to-thyroid-stimulating-hormone-dominated-endocrine-therapy
#9
Yuqin Ma, Xia Zhang, Yutao Wang
This study investigated the effect of thyroid stimulating hormone (TSH) on the proliferation of papillary thyroid carcinoma (PTC) cells and the therapeutic effect of levothyroxine sodium (TH). PTC cells (TPC-1) were cultured using 0.1, 1.0 and 10 U/l TSH and 10-2, 10-4 and 10-6 mol/l TH. After the appropriate concentration was screened, TPC-1 cells were further divided into control group, TSH group, TH group and TSH+TH group. The cell proliferation was detected via methyl thiazolyl tetrazolium (MTT) method, TPC-1 cell cycle was detected via flow cytometer, and the mRNA and protein expression of cyclin D1 were detected via real-time polymerase chain reaction (PCR) and enzyme-linked immunosorbent assay (ELISA)...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29241765/oliveria-decumbens-essential-oil-chemical-compositions-and-antimicrobial-activity-against-the-growth-of-some-clinical-and-standard-strains-causing-infection
#10
Behrooz Alizadeh Behbahani, Farideh Tabatabaei Yazdi, Alireza Vasiee, Seyed Ali Mortazavi
Oliveria decumbens as a valuable medicinal plant is extensively used in traditional medicine. clinical and standard strains causing infection resistance to antimicrobial agents, is one of the important problems in medicine. The aim of this study was to investigate the antibacterial activities and phytochemical analysis of Oliveria decumbens essential oil on the growth of some clinical and standard strains causing infection (Pseudomonas aerogenes, Escherichia coli, Streptococcus pyogenes and Staphylococcus epidermidis)...
December 11, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29238032/influence-of-fruit-ripening-on-color-organic-acid-contents-capsaicinoids-aroma-compounds-and-antioxidant-capacity-of-shimatogarashi-capsicum-frutescens
#11
Manikharda Manikharda, Makoto Takahashi, Mika Arakaki, Kaoru Yonamine, Fumio Hashimoto, Kensaku Takara, Koji Wada
Shimatogarashi (Capsicum frutescens) is a typical chili pepper domesticated in southern Japan. Important traits of Shimatogarashi peppers, such as color; proportion of organic acids, capsaicinoids, and aromatic compounds; and antioxidant activity in three stages of maturity (green (immature), orange (turning), and red (mature) stages) were characterized. The results indicated that the concentration of organic acids, including ascorbic, citric, and malic acid, increased during ripening. In addition, the amount of capsaicinoids, which are responsible for the pungent taste of chili peppers, increased as the fruit matured to the orange and red stages...
December 14, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/29236165/polyphenol-rich-curry-made-with-mixed-spices-and-vegetables-benefits-glucose-homeostasis-in-chinese-males-polyspice-study-a-dose-response-randomized-controlled-crossover-trial
#12
Sumanto Haldar, Siok Ching Chia, Sze Han Lee, Joseph Lim, Melvin Khee-Shing Leow, Eric Chun Yong Chan, Christiani Jeyakumar Henry
PURPOSE: To investigate acute effects of two doses of a polyphenol-rich curry made with seven different spices and four base vegetables, eaten with white rice, on 24 h glucose response, postprandial insulinemia, triglyceridemia and 24 h urinary total polyphenol excretion (TPE). METHODS: Randomized, controlled, dose-response crossover trial in healthy, Chinese men [n = 20, mean ± standard deviation (SD) age 23.7 ± 2.30 years, BMI 23.0 ± 2.31 kg/m2] who consumed test meals matched for calories, macronutrients and total vegetables content, consisting either Dose 0 Control (D0C) or Dose 1 Curry (D1C) or Dose 2 Curry (D2C) meal...
December 13, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/29230268/an-alginate-cyclodextrin-spray-drying-matrix-to-improve-shelf-life-and-antioxidant-efficiency-of-a-blood-orange-by-product-extract-rich-in-polyphenols-mmps-inhibition-and-antiglycation-activity-in-dysmetabolic-diseases
#13
Maria Rosaria Lauro, Lucia Crascì, Virgilio Giannone, Gabriele Ballistreri, Simona Fabroni, Francesca Sansone, Paolo Rapisarda, Anna Maria Panico, Giovanni Puglisi
Alginate and β-cyclodextrin were used to produce easily dosable and spray-dried microsystems of a dried blood orange extract with antidysmetabolic properties, obtained from a by-product fluid extract. The spray-dried applied conditions were able to obtain a concentrate dried extract without the loss of AOA and with TPC and TMA values of 35-40% higher than that of the starting material. They were also effective in producing microparticles with 80-100% of encapsulation efficiency. The 2% sodium alginate was capable of improving the extract shelf life, while the beta-cyclodextrin (1 : 1 molar ratio with dried extract) prolonged the extract antioxidant efficiency by 6 hours...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29222401/genetics-of-floral-development-by-christine-fleet
#14
(no author information available yet)
Summaryplantcell;29/11/tpc.117.tt1117/FIG1F1fig1A basic model for floral organ identity has been developed using model systems such as Arabidopsis thaliana, snapdragon (Antirrhinum majus), and petunia (Petunia hybrida). In this model, different combinations of proteins known as ABCDE proteins, mostly MADS-domain transcription factors, activate the transcription of target genes to specify the identity of each whorl of floral organs. Changes in the regulation or activation of these target genes contribute to the wide variety of floral forms that we see within and across species...
November 2017: Plant Cell
https://www.readbyqxmd.com/read/29221192/tumor-suppressive-function-of-unc5d-in-papillary-thyroid-cancer
#15
Man-Man Zhang, Feng Sun, Bing Cui, Le-Le Zhang, Ya Fang, Yan Li, Rui-Jia Zhang, Xiao-Ping Ye, Yu-Ru Ma, Bing Han, Huai-Dong Song
Background: Studies have shown an association of the UNC5D gene with kidney and bladder cancer and neuroblastoma. We investigated whether UNC5D acts as a tumor suppressor in papillary thyroid carcinoma (PTC). Methods: Primary PTC tumors and matched normal thyroid tissues were obtained from 112 patients to detect UNC5D mRNA by real-time PCR. Genomic DNA sequencing was performed to detect BRAF mutation in PTC tumors. The association between UNC5D expression and clinicopathological data from PTC patients was reviewed retrospectively...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29210572/cobalt-and-rhodium-corrole-triphenylphosphine-complexes-revisited-the-question-of-a-noninnocent-corrole
#16
Sumit Ganguly, Diemo Renz, Logan J Giles, Kevin J Gagnon, Laura J McCormick, Jeanet Conradie, Ritimukta Sarangi, Abhik Ghosh
A reinvestigation of cobalt-corrole-triphenylphosphine complexes has yielded an unexpectedly subtle picture of their electronic structures. UV-vis absorption spectroscopy, skeletal bond length alternations observed in X-ray structures, and broken-symmetry DFT (B3LYP) calculations suggest partial CoII-corrole•2- character for these complexes. The same probes applied to the analogous rhodium corroles evince no evidence of a noninnocent corrole. X-ray absorption spectroscopic studies showed that the Co K rising edge of Co[TPC](PPh3) (TPC = triphenylcorrole) is red-shifted by ∼1...
December 18, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/29209613/evaluation-of-phenolic-phytochemical-enriched-commercial-plant-extracts-on-the-in-vitro-inhibition-of-%C3%AE-glucosidase
#17
Allie Brown, Danielle Anderson, Kenneth Racicot, Sarah J Pilkenton, Emmanouil Apostolidis
Green tea (GT), cranberry (CR), and tart cherry extracts were evaluated for their ability to inhibit yeast α-glucosidase, relevant to glucose uptake. The total phenolic content (TPC), antioxidant activity, and in vitro inhibitory activity of yeast α-glucosidase were examined for the extracts in the present study. GT had higher TPC and antioxidant activity, but CR demonstrated a greater α-glucosidase inhibitory activity, on phenolic basis. CR was fractionated using LH-20 column chromatography into two fractions: 30% methanol (CME) and 70% acetone (CAE)...
2017: Frontiers in Nutrition
https://www.readbyqxmd.com/read/29207484/tunisian-milk-thistle-an-investigation-of-the-chemical-composition-and-the-characterization-of-its-cold-pressed-seed-oils
#18
Wiem Meddeb, Leila Rezig, Manef Abderrabba, Gérard Lizard, Mondher Mejri
In this study, milk thistle seeds growing in different areas in Tunisia were cold pressed and the extracted oils were examined for their chemical and antioxidant properties. The major fatty acids were linoleic acid (C18:2) (57.0%, 60.0%, and 60.3% for the milk thistle seed oils native to Bizerte, Zaghouan and Sousse, respectively) and oleic acid (C18:1) (15.5%, 21.5%, and 22.4% for the milk thistle seed oils originating from Bizerte, Zaghouan and Sousse, respectively). High performance liquid chromatography (HPLC) analysis showed the richness of the milk thistle seed oils (MTSO) in α-tocopherol...
December 2, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29207478/phenolic-content-and-antioxidant-activity-in-raw-and-denatured-aqueous-extracts-from-sprouts-and-wheatgrass-of-einkorn-and-emmer-obtained-under-salinity
#19
Beatrice Falcinelli, Paolo Benincasa, Isabella Calzuola, Lilia Gigliarelli, Stanley Lutts, Valeria Marsili
Total phenolic content (TPC), reducing power (RP), superoxide radical scavenging (RS), and thiobarbituric acid reactive substances (TBARS) production inhibition were measured in raw and denatured aqueous extracts from sprouts and wheatgrass of einkorn and emmer obtained at increasing salinity. Grains were incubated and kept at 0, 25, 50, and 100 mM NaCl until either sprout or wheatgrass stage. Additionally, a recovery treatment was included, in which sprouts obtained at 100 mM NaCl were then transferred at 0 mM NaCl until wheatgrass stage...
December 2, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29207181/function-of-mir-212-as-a-tumor-suppressor-in-thyroid-cancer-by-targeting-sirt1
#20
Dandan Li, Lin Bai, Tongtong Wang, Qian Xie, Minglong Chen, Yantao Fu, Qiang Wen
miR-212 as a tumor suppressor has been reported to be downregulated in multiple cancer cells lines and tumor tissues. However, its role in thyroid cancer has nor been investigated. Therefore, the present study aimed to investigate the role of miR-212 in human thyroid cancer and the underlying mechanisms. In the present study, we demonstrated that miR-212 expression was significantly decreased in thyroid cancer specimens and cell lines compared with adjacent normal tissues and normal thyroid cell lines. In addition, we demonstrated that miR-212 downrwegulation in thyroid cancer tissues was negatively associated with lymph node metastasis and advanced clinical stage...
February 2018: Oncology Reports
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