Research Explorer

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Researcher

Silvia Johana Ortiz Ulloa

Awards & Distinctions

10 Results

2025

Bioaccessibility of β-carotene during in vitro co-digestion of encapsulated mango peel carotenoids with milk

Katty Elizabeth Cabezas TeránCharlotte GrootaertJohn Van CampSilvia Johana Ortiz UlloaJenny RualesSilvana DonosoTom Van de Wiele

A1 Journal Article in FOOD RESEARCH INTERNATIONAL

2017

Risk of exposure to multiple mycotoxins from maize-based complementary foods in Tanzania

Analice KamalaMartin KimanyaCarl LachatLiesbeth JacxsensGeert HaesaertPatrick KolsterenSilvia Johana Ortiz UlloaBendantuguka TiisekwaBruno De Meulenaer

A1 Journal Article in JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY

2016

Impact of local pre-harvest management practices in maize on the occurrence of Fusarium species and associated mycotoxins in two agro-ecosystems in Tanzania

Szanne DegraeveRichard MadegeKris AudenaertAnalice KamalaSilvia Johana Ortiz UlloaMartin KimanyaBen TiisekwaBruno De MeulenaerGeert Haesaert

A1 Journal Article in FOOD CONTROL

Two years of school-based intervention program could improve the physical fitness among Ecuadorian adolescents at health risk : subgroups analysis from a cluster-randomized trial

Dolores Susana Andrade TenesacaCarl LachatGreet CardonAngélica María Ochoa AvilésRoosmarijn VerstraetenJohn Van CampSilvia Johana Ortiz UlloaPatricia RamirezSilvana DonosoPatrick Kolsteren

A1 Journal Article in BMC PEDIATRICS

2015

Multiple mycotoxin co-occurence in maize grown in three agro-ecological zones of Tanzania

Analice KamalaSilvia Johana Ortiz UlloaMartin KimanyaGeert HaesaertSilvana DonosoBendantuguka TiisekwaBruno De Meulenaer

A1 Journal Article in FOOD CONTROL

2014

Determinants of child malnutrition in rural and urban Ecuadorian highlands

Silvia Johana Ortiz UlloaJohn Van CampSylviana Marcella WijayaSilvana DonosoLieven Huybregts

A1 Journal Article in PUBLIC HEALTH NUTRITION

Infant feeding, nutritional status and mycotoxin exposure of children in the Ecuadorian highlands

Silvia Johana Ortiz UlloaBruno De MeulenaerLieven Huybregts

Rsultados de la investigación del programa 'Alimentación Nutrición y Salud' efectuado en Nabón en los años 2008-2009

Angélica María Ochoa AvilésDolores Susana Andrade TenesacaSilvia Johana Ortiz UlloaSilvana Donoso

A2 Journal Article in REVISTA DE LA FACULTAD DE CIENCIAS QUÍMICAS

2013

Mycotoxin co-occurrence in rice, oat flakes and wheat noodles used as staple foods in Ecuador

Silvia Johana Ortiz UlloaJohn Van CampFrédéric MestdaghSilvana DonosoBruno De Meulenaer

A1 Journal Article in FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT

2011

Asociación entre el sobrepeso y obesidad con la aptitud física (EUROFIT) y el nivel socioeconómico en alumnos de 8º a 10° grado de educación básica: Cuenca, Ecuador (2008-2009)

Dolores Susana Andrade TenesacaAngélica María Ochoa AvilésSilvia Johana Ortiz UlloaRosendo Iván Rojas ReyesJorge Luis García ÁlvarezSilvana Patricia Donoso Moscoso

Bookchapter in Algunas consideraciones sobre actividad física en personas con sobrepeso y obesidad