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Desenvolvimento de método para a determinação simultânea de resíduos de agrotóxicos e medicamentos veterinários em solo por UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2013-08-30)
Typically, soil is the final destination of pesticides applied in agriculture and of veterinary drugs employed in animal production. The global concern about the possible consequences of the increased use of these compounds ...
Agrotóxicos em vinho: avaliação do método QuEChERS e da microextração líquido-líquido dispersiva na determinação multirresíduo por UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2017-03-10)
The widespread use of pesticides in agriculture has brought many benefits such as, increasing quantity and quality of crops grown. However, there is a concern regarding to the presence of pesticide residues in the consumed ...
Resíduos de agrotóxicos em ameixa, maçã, pera e pêssego: desenvolvimento de métodos de análise e monitoramento
(Universidade Federal de Santa Maria, 2017-02-06)
In recent years, the indiscriminate use of pesticides and a lack of adoption of good
agricultural practices have been evidenced by the results of analyzes of residues of
pesticides in food. Thus, the goal of this work ...
Determinação de resíduos de agrotóxicos em azeite de oliva e azeitonas empregando método QuEChERS e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2019-08-03)
Commonly used in the Mediterranean diet, olive oils and table olives have become more frequent in the everyday meals of the Brazilian consumer. Despite the small consumption per capita, the country is already the second ...
Determinação de resíduos de agrotóxicos em leite em pó empregando dispersão da matriz em fase sólida, GC-MS/MS e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2019-07-31)
The milk powder is a food of complex composition (protein, fat, carbohydrate, vitamins,
etc.). It plays a fundamental role in child nutrition due to nutritional factors related to
cognitive ability. In recent years, ...
Determinação multirresíduo de agrotóxicos em bebidas à base de soja empregando método QuEChERS e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2016-02-26)
Soy beverages are aqueous extracts of soybeans which are a source of high quality protein and no contains cholesterol or lactose, can be considered functional foods. These beverages have a large acceptance among consumers ...
Determinação de resíduos de agrotóxicos em fisalis (Physalis peruaviana L.) empregando QuEChERS modificado e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2016-02-29)
In this study a fast and effective multiresidue method for the determination of 42
pesticides in goldenberry was developed and validated. A modified QuEChERS
method was established for sample preparation followed by ...
Determinação multirresíduo de agrotóxicos em água empregando SPE e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2020-03-02)
The presence of organic pollutants in water resources is a major concern. The most commonly reported of these pollutants are generated by domestic, agricultural and industrial activities. Organic pollutants produce a wide ...
Determinação de resíduos de agrotóxicos em café verde empregando QuEChERS e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2020-03-02)
Coffee is one of the most consumed beverages in the world and due to climatic diversity, reliefs, altitudes and latitudes Brazil is able to produce good quality coffee beans. Brazil is currently the largest producer and ...
Determinação multirresíduo de agrotóxicos em banana empregando método QuEChERS modificado e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2022-04-29)
In recent years, it has been possible to observe that the use of pesticides in various cultures has increased alarmingly and, in most cases, is added to an inappropriate practice of use, as well as impr oper disposal. ...