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- 저자 : Taˆnia (검색결과 4 건)
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Jocelem Mastrodi Salgado,Taˆnia Rachel Baroni Ferreira,Carlos M. Donado-Pestana,Omer Cavalcanti de Almeida,Aline Mouro Ribeiro das Neves,De´bora Niero Mansi,Carlos Tadeu dos Santos Dias 한국식품영양과학회 2012 Journal of medicinal food Vol.15 No.4
Several biological and clinical studies have suggested that conjugated linoleic acid (CLA) prevents body fat accumulation and increases lean body mass. CLA is available as a concentrated dietary supplement and is purported to provide the aforementioned benefits for people who perform physical activity. This study was conducted to evaluate the effect of a CLA-supplemented diet combined with physical activity on the body composition of Wistar rats. Two groups of Wistar rats of both sexes, between 45 and 60 days old, were fed a diet containing 5.5% soybean oil (control group) or a CLA-supplemented diet (0.5% CLA and 5.0% soybean oil) (test group). Half the rats in both groups were assigned to exercise by running on a treadmill. The biochemical and anatomical body compositions were analyzed. In both groups, CLA had no effect on the dietary consumption or the weight of the liver, heart, and lungs. However, it did influence the overall weight gain of exercised male rats and the chemical and anatomical body composition in exercised and sedentary rats of both sexes. The results confirm that a CLA-supplemented diet with and without physical activity reduced body fat accumulation in rats of both sexes. However, there is no evidence of an increase in the lean body mass of the exercised rats.
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Yacon-Based Product in the Modulation of Intestinal Constipation
Moˆnica de Souza Lima Sant’Anna,Vivian Carolina Rodrigues,Tatiane Ferreira Arau´jo,Taˆnia Toledo de Oliveira,Maria do Carmo Gouveia Peluzio,Ce´lia Lu´cia de Luces Fortes Ferreira 한국식품영양과학회 2015 Journal of medicinal food Vol.18 No.9
This study aimed to assess the effects of a yacon-based product (YBP) on constipation in adults, including the elderly. Forty-eight individuals were recruited and divided into equal intervention groups named the test and control groups. The YBP (test) and the control (maltodextrin) were dissolved in commercial orange juice. The volunteers for the YBP/test group consumed, on a daily basis, orange juice containing 10 g fructooligosaccharide (FOS)/inulin per day. The control group consumed, on a daily basis, orange juice containing 25 g of maltodextrin. The study had a span of 30 days. We evaluated the participants’ frequency of evacuation, consistency of the feces, constipation score, abdominal symptoms (flatulence, pain, and abdominal strain), and effects upon the microbiota, pH, lactate, and short-chain fatty acids (SCFAs) of the feces. The study showed an increased number of evacuations after the consumption of the YBP as well as an improvement in the consistency of the feces and a reduction in the constipation score. After 30 days of intervention, the group that consumed the YBP showed higher counts of Bifidobacterium, lower Clostridium and enterobacteria counts, and lower fecal pH. In relation to SCFAs, no significant change was found after the intervention. However, the lactate concentration was higher in the test group when compared to the post-treatment control group. The YBP was effective in improving constipation symptoms; not only was its functional characteristic in reducing constipation symptoms evident but it also demonstrated usefulness as a potential therapy.
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Yacon Flour and Bifidobacterium longum Modulate Bone Health in Rats
Fabiana Carvalho Rodrigues,Adriano Simo˜es Barbosa Castro,Vı´vian Carolina Rodrigues,Se´rgio Antoˆnio Fernandes,Edimar Aparecida Filomeno Fontes,Taˆnia Toledo de Oliveira,He´rcia Stampini Duarte Marti 한국식품영양과학회 2012 Journal of medicinal food Vol.15 No.7
Yacon flour has been considered a food with prebiotic potential because of the high levels of fructooligosaccharides, which allows for its use in formulating synbiotic foods. The purpose of this study was to evaluate the effect of yacon flour and probiotic (Bifidobacterium longum) on the modulation of variables related to bone health. Thirty-two Wistar rats were divided into 4 groups: control, yacon flour, diet + B. longum, and yacon flour + B. longum. After euthanasia, the bones were removed for analysis of biomechanical properties (thickness, length, and strength of fracture) and mineral content (Ca, Mg, and P); the cecum was removed for analysis of the microbiota and short-chain fatty acids. Tibia Ca, P, and Mg content was significantly (P < .05) higher in groups fed diet + B. longum, yacon flour + B. longum than in the control group. An increase in fracture strength was observed in the yacon flour (8.1%), diet + B. longum (8.6%), and yacon flour + B. longum (14.6%) in comparison to the control group. Total anaerobe and weight of the cecum were higher (P < .05) in rats consuming the yacon flour diet compared with the other groups. Cecal concentration of propionate was higher in all experimental groups compared with the control (P < .05). Yacon flour in combination with B. longum helped increase the concentration of minerals in bones, an important factor in the prevention of diseases such as osteoporosis.
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Natiele Carla da Silva Ferreira,Roˆmulo Jose´ Soares-Bezerra,Rebeca Ferreira Couto da Silveira,Clayton Menezes da Silva,Carla Santos de Oliveira,Andrea Surrage Calheiros,Taˆnia Maria Alves,Carlos Leom 한국식품영양과학회 2019 Journal of medicinal food Vol.22 No.2
P2Y2 and P2Y4 receptors are physiologically activated by uridine 5′-triphosphate (UTP) and are widely expressed in many cell types in humans. P2Y2 plays an important role in inflammation and proliferation of tumor cells, which could be attenuated with the use of antagonists. However, little is known about the physiological functions related to P2Y4, due to the lack of selective ligands for these receptors. This can be solved through the search for novel compounds with antagonistic activity. The aim of this study was to discover new potential antagonist candidates for P2Y2 and P2Y4 receptors from natural products. We applied a calcium measurement methodology to identify new antagonist candidates for these receptors. First, we established optimal conditions for the calcium assay using J774.G8, a murine macrophage cell line, which expresses functional P2Y2 and P2Y4 receptors and then, we performed the screening of plant extracts at a cutoff concentration of 50 μg/mL. ATP and ionomycin, known intracellular calcium inductors, were used to stimulate cells. The calculated EC50 were 11 μM and 103 nM, respectively. These cells also responded to the UTP stimulation with an EC50 of 1.021 μM. Screening assays were performed and a total of 100 extracts from Brazilian plants were tested. Joannesia princeps Vell. (stem) and Peixotoa A. Juss (flower and leaf) extracts stood out due to their ability to inhibit UTP-induced responses without causing cytotoxicity, and presented an IC50 of 32.32, 14.99, and 12.98 μg/mL, respectively. Collectively, our results point to the discovery of potential antagonist candidates from Brazilian flora for UTP-activated receptors.
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