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Deise Jaqueline Stroher,Micaela Federizzi de Oliveira,Patrıcia Martinez-Oliveira,Bruna Cocco Pilar,Marcia Denise Pavanelo Cattelan,Eliseu Rodrigues,Kalyne Bertolin,Paulo Bayard Dias Gonc¸alves,Jacquel 한국식품영양과학회 2020 Journal of medicinal food Vol.23 No.7
Obesity reaches an epidemic level worldwide, and this condition is associated with chronic low-grade inflammation and secondary comorbidities, largely driven by global changes in lifestyle and diet. Various dietary approaches are proposed for the obesity treatment and its associated metabolic disorders. Good taste, antioxidant functions, and vitamins have been attributed to virgin coconut oil (VCO). However, VCO contains a large amount of saturated fatty acids, and the consumption of this fat is associated with a number of secondary diseases. We evaluate the effects of VCO supplementation on biochemical, inflammatory, and oxidative stress parameters in rats fed with high-fat diet (HFD). After feeding with HFD for 12 weeks, the animals were supplemented with VCO for 30 days. HFD+VCO group increased in diet intake, weight gain, low-density lipoprotein cholesterol level, and aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels. These findings were accompanied by increased in hepatic lipid profile and fat deposition in the liver. Adipocyte hypertrophy was observed in the HFD+VCO group, which was associated with elevated expression of tumor necrosis factor alpha (TNF-α) in adipose tissue. These results revealed that VCO associated with HFD induced important metabolic alterations, adipose inflammation, and hepatic lipid accumulation in rats.
Carolina de Santana Souza,Thamara Figueiredo Procopio,Bernardo do Rego Belmonte,Patrıcia Maria Guedes Paiva,Lidiane Pereira de Albuquerque,Emmanuel Viana Pontual,Thiago Henrique Napoleao 한국응용생명화학회 2018 Applied Biological Chemistry (Appl Biol Chem) Vol.61 No.3
In this study, the effects of Opuntia ficus-indica lectin (OfiL) on the survival and nutritional parameters of Sitophilus zeamais (maize weevil) adults were evaluated. OfiL was incorporated into the artificial diets at concentrations of 15, 60, and 95 mg/g (mg of lectin per g of wheat flour). Mortality was evaluated after 7 and 15 days, and the amount of food ingested and the weight of the insects were determined on the 7th day. In addition, the in vitro effects of OfiL on the gut enzymes of the insect were investigated. The ingestion of OfiL did not show any significant difference in the mortality rates compared to control. The relative consumption rate was also similar to that of the control, and no deterrent effect was detected. However, the values of the relative biomass variation and the efficiency of ingested food conversion were negative in the treatments at 60 and 95 mg/g, showing that lectin ingestion resulted in weight loss. OfiL exhibited a stimulatory effect on the protease activity from S. zeamais gut extract, which may cause uncontrolled hydrolysis of proteins in the digestive tract. This lectin did not promote significant alteration in the amylase activity. In conclusion, OfiL was able to exert anti-nutritional effects without causing a deterrent effect.
Magalli C.B. Lima e Silva,Danielle Bogo,Caroline A.F. Alexandrino,Renata T. Perdomo,Patrıcia de O. Figueiredo,Pamela R. do Prado,Fernanda R. Garcez,Monica C.T. Kadri,Thalita V.N. Ximenes,Rita de Cassi 한국식품영양과학회 2018 Journal of medicinal food Vol.21 No.10
Campomanesia adamantium, a native species of the Brazilian Cerrado, is characterized as a natural source of phenolic compounds and has known potential anticancer activities. This study aimed to evaluate the chemical profile of dichloromethane extracts of pulp (DEGPU) and peel (DEGPE) from the fruits of C. adamantium and to identify compounds with antiproliferative effects in vitro against melanoma cells by sulforhodamine B (SRB) assay, apoptosis induction assay, caspase-3 activation assay, nitric oxide (NO) release in coculture of B16-F10 cells and murine peritoneal macrophages. The chemical profiles of DEGPU and DEGPE were analyzed by high performance liquid chromatography coupled to diode array detector and mass spectrometer using the electrospray ionization interface (HPLC-DAD-ESI-MS/MS). Thirteen compounds were identified in both extracts and the chromatographic study of the most active extract in SRB assay DEGPU (GI50 of 16.17 μg/mL) resulted in the isolation of seven compounds. The isolated compound dimethylchalcone (DMC) had the highest antiproliferative activity against B16-F10 with a GI50 of 7.11 μg/mL. DEGPU extract activated caspase-3 in 29% of cells at 25 μg/mL and caused a 50% decrease in NO release in coculture. DEGPU can be characterized as a source of bioactive compounds such as DMC, as seen from its antiproliferative effect in vitro by inducing B16-F10 cells to undergo apoptosis, essential feature in the search for new anticancer drugs.
Henrique Bosso,Giovanna Emanuella Piffer Soares Arantes,Sandra Maria Barbalho,Elen Landgraf Guiguer,Maricelma da Silva Soares de Souza,Patrıcia Cincotto dos Santos Bueno,Agnaldo Bruno Chies,Priscilla 한국식품영양과학회 2019 Journal of medicinal food Vol.22 No.4
Many studies have shown that plants can be therapeutic alternatives in the prevention or treatment of various diseases. Among these, green coffee may present different pharmacological effects related to the regulation of glycemia and lipid metabolism and is related to the prevention of cardiovascular diseases. The objective of our study was to evaluate the effects of using green and ripe coffee on the metabolic profile and muscular enzymes after the practice of physical exercises in Wistar rats. We included six groups: G1 (control group), G2 (group submitted to swimming), G3 (group that consumed green coffee), G4 (group that consumed green coffee and was submitted to swimming), G5 (group that consumed ripe coffee), and G6 (group that consumed ripe coffee and was submitted to swimming). Our results showed that there was a significant reduction in the percentage of visceral fat in G3, G5, and G6. We did not observe significant modifications in glycemia, lipids, lactate dehydrogenase, ferric reducing ability of plasma, and ferric-xylenol orange. The levels of creatine phosphokinase showed a reduction in the groups G2 and G4. No significant differences were found in the atherogenic indices. There is a global demand for natural compounds that can be safe, cheap, related to minimum side effects, and provide health benefits. Our results show that the use of green or ripe coffee may contribute to reduce the percentage of visceral fat and consequently may protect against further complications once this tissue produces proatherogenic hormones. Furthermore, green coffee may play a role in protecting muscle injury after the practice of physical exercises.