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Production of Lipase Using Cassava Peel and Sunflower Oil in Solid-State Fermentation： Preliminary Study

Journal of Agricultural Science and Technology(A) 2013年第12期3卷 948-954页

作者： caroline branco gerber Francieli Kaufmann Gabrieli Nicoletti Marilia Dalla Costa Aniela PintoKempka Volunteer Scholarship Holder of the Scientific Initiation Food Engineering Department State University of Santa CatarinaPinhalzinho 89870-000 Santa Catarina Brazil Food Engineering Department State University of Santa Catarina Pinhalzinho 89870-000 Santa Catarina Brazil

Full use of residues from industrial processes is a fundamental necessity of contemporary society, since it avoids impacts to the environment by using residues as inputs for other products of high economic and social importance. In this study, lipase production of the crude enzymatic extracts obtained by Aspergillus niger using cassava peel as substrate and sunflower oil as an inductor was investigated. The optimized cultivation temperature and concentration of inductor were determined using the response surface methodology. The two variables studied exercised influence in the production of lipase in the 95% level of confidence. The response surface obtained indicated that the conditions that maximize lipase activity production were 30.5 ~C and initial concentration of sunflower oil was 2.5% （w/w）. Through this analysis, it is evident that extremes in temperature and concentration of inductor tend to decrease lipase production, since low temperatures decrease metabolism and high temperatures may inactivate the lipase. Optimum lipase yield was 59.8 U/g of dry peel which was fermented for 60 h. Lipase production presents a peak of 61.3 U/g, at 72 h of fermentation. However, this value is statistically equal （p 〉 0.05） of the value of lipase activity obtained for 60 h and 84 h of fermentation.

关键词： Cassava peel lipase production solid-state fermentation sunflower oil.

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Food and Nutritional Security in the Refugee Women’s Life Narratives

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Food and Nutrition Sciences 2023年第11期14卷 1031-1042页

作者： Juliana Vidal Vieira Guerra Valdecyr Herdy Alves Brenda caroline Martins da Silva Tatiana do Socorro dos Santos Calandrini Giovanna Rosario Soanno Marchiori Ediane de Andrade Ferreira Maria Bertilla Lutterbach Riker branco Diego Pereira Rodrigues Departamento de Nutriç &#227o Aplicada Instituto de Nutri&#231&#227o Universidade do Estado do Rio de Janeiro Rio de Janeiro Brasil Programa Acadêmico em Ciências do Cuidado em Saúde Escola de Enfermagem Aurora de Afonso Costa Universidade Federal Fluminense Niterói Brasil Instituto de Ciências da Saúde Universidade Federal do Pará Belém Brasil Centro de Ciências da Saúde Universidade Federal de Roraima Boa Vista Brasil

Objective: To understand, based on the life narratives of refugee women, food and nutritional security. Method: Qualitative, descriptive, exploratory study, Narratives of life method, by Daniel Bertaux. Conducted with 11 participants, refugee women residing in the state of Rio de Janeiro, Brazil. Results: The meanings and feelings evidenced in the life narratives of refugee women expressed the insecurities and weaknesses with food in the resettlement. Final Considerations: Given the meanings and feelings regarding food in the refuge, it is expected that the present study will contribute to the elaboration of new action plans and intersectoral public policies of agile action to meet the demands of the refugee population, in the attempt to mitigate starvation, poverty, social differences and the compromised health status of the refugee population.

关键词： Food Security Feeding Behavior Refugees Human Migration Human Right to Adequate Food

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Bronchial Fibroepithelial Polyp: A Rare and Challenging Diagnosis

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Open Journal of Medical Imaging 2017年第4期7卷 163-168页

作者： Francisco Barbosa De Araújo Neto Ana Flávia Pina Ferreira Ellen caroline Toledo Do Nascimento Ricardo Francisco Cintra Zagatti Mark Wanderley Thiana Pozzatto Rogrigues Tiago Castello branco Lyra Vinícius Martins Valois Márcio Valente Yamada Sawamura Department of Radiology The Medical School The University of S&atilde o Paulo S&atilde o Paulo Brazil Department of Pathology The Medical School The University of S&atilde o Paulo S&atilde o Paulo Brazil Department of Radiology Hospital Heliópolis S&atilde o Paulo Brazil

Context: Bronchial fibroepithelial polyp is a very rare benign endobronchial tumor. Typically, it is a slow growing lesion, and the differential diagnosis includes other benign and malignant endobronchial tumors. Case Report: We report a case of a 75-year-old female who complained of intermittent productive cough. Computed tomography of the thorax showed a solid nodule with lobulated contours in the right main bronchus and subtotal atelectasis of the right lower lobe. Bronchoscopy with biopsy confirmed the diagnosis of a bronchial fibroepithelial polyp. Conclusion: This case is illustrative and demonstrates the importance of imaging methods and of histopathological correlation for the accurate diagnosis of this benign treatable lesion.

关键词： Tomography Bronchoscopy Bronchial Diseases Polyps

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