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Articles published by: Cristina Peralta

Cristina Peralta / 05 September 2025

In vitro or In vivo. What is the difference?

In the field of scientific research, whether in biotechnology, health, food or cosmetics, it is essential to understand the different experimental approaches available to study the behaviour of compounds, ingredients, or products. Among these, in vitro or in vivo tests are two key methodologies, each with specific characteristics, applications, and advantages. In vivo experiments: Definition…

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Cristina Peralta / 04 September 2025

Endocrine Disruptors in Cosmetic Products and Their Legislation

The cosmetic products legislation (Regulation 1223/2009) of the European Union works to identify and properly manage substances with potential as endocrine disruptors, as established in its Article 15.4:“4. When Community or international criteria for identifying substances as endocrine disruptors are available, or at the latest by 11 January 2015, the Commission shall review the Regulation…

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Cristina Peralta / 28 July 2025

Function of the salivary glands in the digestive system: The Importance of the oral cavity

Although often overlooked, the role of the oral cavity in the digestive system is fundamental. It is not only the first point of contact between the body and food, but also the site where the initial physical, chemical, and sensory mechanisms are activated. From chewing to saliva secretion and oral microbiome activity, the mouth initiates…

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Cristina Peralta / 18 July 2025

How to prove that an ingredient improves animals’ digestive system? Scientific evidence through in vitro gastrointestinal tract simulation

Animal digestive health and animal nutrition are essential to ensure health and productivity in any production system, as they help prevent disease and improve product quality. For this reason, it is crucial to scientifically validate the effect of an ingredient on animals’ digestive system. It’s not enough to include novel ingredients,  it’s necessary to understand…

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Cristina Peralta / 17 July 2025

What Role Does the Intestinal Microbiota Play in the Development of Obesity?

The sharp rise in obesity rates over the past few decades has led researchers to explore explanations beyond diet and physical inactivity. Among the most significant emerging factors is the intestinal microbiota, the diverse community of microorganisms that inhabit the digestive tract and actively participate in metabolic, immune, and digestive functions. Its composition, diversity, and…

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Cristina Peralta / 05 September 2025

Benefits of genetically modified corn

Genetically modified corn is a variety of corn whose genetic material has been altered in a laboratory using genetic engineering techniques. Unlike traditional methods, this technology allows the incorporation of specific genes from other plants or organisms to give the crop particular characteristics, such as resistance to pests or tolerance to herbicides. Understanding the benefits…

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