A5103105637- Food Drying and Modeling
- Microencapsulation and Drying Processes
- Seed and Plant Biochemistry
- Microbial Inactivation Methods
- Phytochemistry and biological activity of medicinal plants
- Agriculture Sustainability and Environmental Impact
- Postharvest Quality and Shelf Life Management
- Freezing and Crystallization Processes
- Phytochemicals and Antioxidant Activities
- Microbial Metabolites in Food Biotechnology
- Polysaccharides Composition and Applications
- Food composition and properties
- Proteins in Food Systems
- Magnetic and Electromagnetic Effects
- Nanocomposite Films for Food Packaging
- Breastfeeding Practices and Influences
- Environmental and Cultural Studies in Latin America and Beyond
- Fatty Acid Research and Health
- Hibiscus Plant Research Studies
- Polysaccharides and Plant Cell Walls
- Sensory Analysis and Statistical Methods
- Transition Metal Oxide Nanomaterials
- Conducting polymers and applications
- Infant Nutrition and Health
- Meat and Animal Product Quality
University of La Serena
2007-2017
Universidad de Santiago de Chile
2015-2017
This study explored the diversity of quinoa crop in Chile from a nutritional perspective.Nutritional properties, minerals, vitamins, and saponin content were assessed seeds six Chilean (Chenopodium Willd.)ecotypes grown three main production areas with distinctive climatic edaphic conditions: Ancovinto Cancosa North-Altiplano or High Plateau, Cáhuil Faro central coastal area, Regalona Villarrica south country.There significant differences (P < 0.05) all properties areas.Quinoa ecotype showed...
The present study investigated the influence of air temperature on drying kinetics, color, rehydration, total volatile basic nitrogen (TVBN), antioxidant capacity and texture osmosed jumbo squid fillets during convective dehydration at 50, 60, 70, 80 90 °C. Logarithmic Two-term models could be used to describe experimental curves. Discoloration product was more noticeable high temperatures where combined effects non-enzymatic browning as well protein denaturation modified original color...
Quinoa (Chenopodium quinoa Willd.) in Chile represents a source of germplasm with high nutritional value.However, there is little information available related to seed quality grown under contrasting environments.In this study we evaluated the changes on composition seeds two lowland/coastal genotypes arid (Vicuña) and cold-temperate (Temuco) conditions Chile.Results showed that case 'Regalona Baer' 'Villarrica' location (with irrigation) led significant increase (P < 0.05) grain yield (4.2...
Summary Quality assessment of pepino fruit preserved through convective dehydration was investigated in this work. The effect process temperature (50, 60, 70, 80 and 90 °C) on physicochemical properties, colour, non‐enzymatic browning, vitamin C, total phenolic content, antioxidant activity firmness the were considered. When comparing fresh with corresponding dehydrated samples, it shown that drying conditions resulted important reductions proteins crude fibres. Discoloration noticeable for...
The present study was focused on the analysis of agronomical, nutritional, physicochemical, and antioxidant properties six genetically different quinoa (Chenopodium Willd) genotypes cultivated in three distinctive geographical zones Chile. Ancovinto Cancosa from northern Altiplano (19 ºS), Cáhuil Faro central region (34 Regalona Villarica southern (39 ºS) are representative high genetic differentiation among pooled samples, particular between central-southern groups. A Common-Garden Assay at...
The effect of osmotic pretreatment on the mass transfer kinetics and quality dried rehydrated Chilean papaya was researched. Osmotic treatments were sucrose solutions 40, 50, 60% w/w at 60°C; non-pretreated samples different temperatures (40, 60, 80°C). Quality parameters analyzed: proximal composition, rehydration ratio, water-holding capacity, color, vitamin C content, firmness, microstructure. Non-pretreated showed a clear turgor loss, color loss. low ascorbic acid retention when...
Drying kinetics of Cape gooseberry was studied and modeled during processing at four temperatures (60, 70, 80 90C). Desorption isotherm obtained 40C giving a monolayer moisture content 0.086 g water/g d.m. Experimental drying curves showed that process took place only in the falling rate period. Several thin-layer models available literature were evaluated based on statistical tests as sum squared error (SSE), chi-square (χ2) determination coefficient (R2). Effective diffusivity range...
Quinoa has gained an increasing interest in recent years due to its nutritional value as well antioxidant capacity and phytochemical content. The objective of this work was determine the physico-chemical properties, vitamins (B1, B2, B3 E) activity six ecotypes quinoa (Chenopodium Willd) cultivated three production zones Chile (North Highlands, Center Southern Chile). samples are called Ancovinto Cancosa from North, Cáhuil Faro Center, Regalona Villarica South. To evaluate differences among...
Antimicrobial potential of quinoa seeds from six diverse seeds, grown in three distinctive geo-graphical zones Chile, was correlated with their total phenolic content (TPC), flavonoid (TFC) and saponin (TSC). The were Ancovinto, Cancosa, Cahuil, Faro, Regalona Villarrica. A significant influence source on chemical composition observed. Extracts all samples showed antimicrobial activity the range 8.3 - 14.8 mm inhibition zone for E. coli 8.5 15.0 S. aureus. Cancosa had highest action. TPC TFC...