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Método de detección de ftalatos en la leche

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TORO20180524001
Publicado:
08/06/2018
Caducidad:
09/06/2019
Resumen:
Un instituto rumano especializado en investigación y desarrollo de nuevos métodos de química analítica ha desarrollado un método para la detección de ftalatos en la leche que encuentra aplicación en el campo de calidad y seguridad alimentaria. Estudios científicos han demostrado que importantes cantidades de ftalatos están presentes en el medio vital, y en concreto en envases alimentarios (papel, plástico, celofán, papel de aluminio y tapas de frascos), que, por migración, contaminan alimentos y bebidas. Los ftalatos son solubles en grasa y pueden encontrarse en productos lácteos, huevos, pollo, cerdo, pescado y aceites. El método desarrollado, que se encuentra en fase de desarrollo y experimental, se basa en extracción por ultrasonidos sin disolventes para la obtención de analitos orgánicos de matrices complejas. El instituto busca socios (laboratorios de calidad y seguridad alimentaria) con el fin de establecer acuerdos comerciales con asistencia técnica.


Details

Tittle:
Method for phthalates determination in milk.
Summary:
A Romanian research institute, active in the research and development of new methods in analytical chemistry, has developed a method for phthalates determination in milk, with useful applications in the food quality and safety field. Currently, the method is under development/laboratory testing. The institute is looking for partners such as food quality and safety laboratories to conclude commercial agreements with technical assistance (engineering and technical assistance).
Description:
The Romanian research institute is specialized in the application of analytical chemistry in three main directions: Environment and Health, Instrumental Analytical Chemistry, Bioenergy and Biofuels. The institute has a remarkable endowment that allows approaching projects from research to stage prototype realization and technology transfer.

Phthalates are organic substances and endocrine disruptors used as plasticizers in plastics. Scientific studies show that significant quantities of phthalates are present in the living environment, in food packaging (paper, plastics, cellophane, aluminum foil and jar lids) wherefrom, by migration, they may contaminate food and drink. Phthalates are fat soluble, so they can also be found in foods such as dairy products, eggs, chicken and pork, fish and oils. Therefore, through food ingestion, the human body may be exposed on:
· long-term exposure to low levels of phthalates (chronic) causing male infertility, kidney and liver disorders, endocrine or potentially carcinogenic diseases;
· short-term exposure to high levels of phthalates (acute) causing effects on the gastrointestinal system, dizziness or nausea.
Based on these findings, a careful analysis of these endocrine disrupters is mandatory, in order to respect the food safety legislation. In this context, the Romanian institute has developed a method for phthalates determination in milk.

As compared to other existing conventional methods on the phthalates determination such as Soxhlet extraction, the method developed by the Romanian institute uses "solvent-free" ultrasound extraction (USE) for extracting organic analytes from complex matrices and a low extraction time (approx. 90%).
In order to determine the quantity and types of phthalates in milk, the method comprises the following steps: sample weighting, ultrasonic extraction with a solvent mixture, extract concentration, lipids removal, extraction in water, headspace solid-phase microextraction as well as identification and quantification of analytes by gas chromatography coupled with mass spectrometry (GC-MS).
The method allows the determination of the following six phthalates in milk, at trace and ultra-trace level:
· dimethyl phthalate (DMP),
· diethyl phthalate (DEP),
· di-n-butyl phthalate (DBP),
· butyl benzyl phthalate (BBP),
· di-(2-ethylhexyl) phthalate (DEHP) and
· di-n-octyl phthalate (DOP).

The method can be successfully used for monitoring the phthalates contamination of raw and commercialized pasteurized milk.

The Romanian research institute is looking for partners abroad such as food quality and safety laboratories. The considered partnership refer to commercial agreements with technical assistance (engineering and technical assistance) in the method transfer and implementation on the partner´s equipment, as well as, staff training.
Advantages and Innovations:
Regarding the innovative character, the method developed by the Romanian institute:
- uses "solvent-free" ultrasound extraction (USE) for leaching organic analytes from complex matrices,
- requires a reduced extraction time (approx. 90%) as compared to conventional methods (e.g. Soxhlet extraction),
- identifies and determines six phthalates by using gas chromatography-mass spectrometry (GC/MS).
The elaborated method offers several advantages by using:
- ultrasonic extraction,
- the headspace solid-phase microextraction procedure - a rapid and simple extraction method requiring low time and quantities of organic solvents compared to conventional methods (Soxhlet extraction),
- low detection limits.
Stage of Development:
Under development/lab tested
IPs:
Patents granted
CommeR Statunts Regarding IPR Status:
Patent granted by the Romanian State Office for Inventions and Trademarks. The method is the result of a national research project and its IP rights belong to the project partners.

Partner sought

Type and Role of Partner Sought:
Type of partner sought: Agriculture and food analysis laboratories, active in the food quality and safety field. Under the commercial agreement with technical assistance, the sought partners should implement the method for monitoring of raw and commercialized pasteurized milk contamination, using appropriate equipment and qualified personnel. The Romanian research institute will support its partners with technical consulting and staff training.

Client

Type and Size of Client:
R&D Institution
Already Engaged in Trans-National Cooperation:
Si
Languages Spoken:
English
Romanian

Keywords

Technology Keywords:
05004002 Extracción
08002001 Métodos de análisis y detección
05001001 Química analítica