265 resultados para Fenóis voláteis
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Pós-graduação em Agronomia - FEIS
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Pós-graduação em Microbiologia Agropecuária - FCAV
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Halitosis is the unpleasant odor of exhaust air through the mouth and lungs. There are over 50 causes, and approximately 90% of cases, is of oral origin. May have physiological origin (stress, breath of morning, fasting, and inappropriate diets), local reasons (bad oral hygiene, bacterial plaque retained on the tongue and/or tonsils, lower production of saliva, gum disease) or systemic reasons (diabetes, kidney or liver problems, constipation, etc.). In the Third Age, this problem tends to increase significantly. Thus, the aim of this study was to detect the presence of halitosis in the geriatric group attended in the dental clinic of UNIRP, identifying their incidence and principal causes. The sample consisted of 48 volunteer patients aged 60 years or older and included more than 90% of patients treated in this age group. It was performed a anamnesis and physical examination. The intra-oral halitosis was detected using a breath meter (halimeter). In the group studied, approximately 54.16% had halitosis, 84.61% of these were users of the prosthesis. The tongue coating was present in 80.76% of individuals with halitosis. After brushing the tongue, 88.46% of patients with halitosis have had the initial index oral malodor decreased. Based on the results of this study it was concluded that factors as dental prostheses and tongue coating are critical factors in causing halitosis.
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The aim of this study is to evaluate the effi ciency of oregano, sage, moringa and rosemary as natural antioxidants and propyl gallate as artifi cial antioxidant used in “stuffed food” made with CMS of tilapia (minced fi sh) and stored frozen for 120 days. Protein, fat, moisture and ashes determination, microbiological analysis and sensory evaluations were conducted in the beginning and the end of storage period. TBARS, BNVT, pH and psychrotrophic microorganism count were determined periodically. The antioxidants interfered in pH (6.17 and 6.55) and TBARS values during 120 days under freezing (-18o C). The lowest TBA values were found for oregano (0.158 mg de MDA. kg-1) and sage (0.186 mg de MDA.kg-1). The stuffed food made with CMS of tilapia, without antioxidant, had the most oxidation, and sage and moringa were not good source of antioxidant. BNVT values (11.41 – 12.35 mgN.100g-1) were not altered. The lowest pH value was found for the product with sage (6.20), but similar to the moringa and propyl gallate, while oregano and rosemary showed the highest values (6.63 and 6.29), at 5 days of storage. Microbiological analyses were in accordance with Brazilian legislation. Sensory evaluation indicated that the panelists preferred the formulations made with oregano and propyl gallate. The results showed that it is feasible to elaborate stuffed food made with CMS of tilapia as an alternative for the fi shery´s consumption, and sage was the most effi cient natural antioxidant among those tested in this study.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Engenharia Civil - FEIS
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Medicina Veterinária - FCAV
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The objective of this study was toevaluatethe effect of the co-digestion of triturated sugarcane with beef cattlerfeddlotmanure in continuous digestorsin the amount and quality of biogas and biofertilizer. To do so, the work was divided in three steps. The first and the second part lasted30 days each and evaluated the effect of the additionof 7% of triturated sugarcane in agreement with the followingtreatments:treatment, the digestors were supplied with a mixture of 0,250 kg of manure and 1,750 kg of water ;treatment 2, the digestors were supplied with a mixture of 0,250 kg of manure, 1,610 kg of water, and 0,140 kg of triturated sugarcane. To The third period lasted 30 days and evaluated the effect of adding 3.5% of sugarcane crushed. The data analyses was performed with randomized designusing SAS®program with level of significance of 5%. The digesters with sugarcane produced in the first period respectively 0.79, 0.0127, and 0.102 m3of total production, of biogas production per kilogram of substrate, and of total production per kilogram of manure versus 0.5, 0.0081, and 0.065 m3from the control treatment, respectively..In the thirdperiod,each variable had a total production of 0.76, 0.123, and 0.98 m3and the control treatment yielded 0.51, 0.065, and 0.0082 m3.In the second period,the total production per kilogram of solidand of volatile solids added were higher in the digesters without sugarcane (0.0093 and 0.438 m3) when compared to the digesters that had additionof 7% of cane(0.271 and 0.336 m3).