(IB23-G1-S7) Etnofarmacología - Dra. Elva Lorena Vázquez Montoya - S1

Introduction to Etnofarmacología

Overview of the Session

• The session begins with a welcome from Valorena Vázquez Montoya, who introduces herself and her background in Biomedical Sciences at Universidad Autónoma de Occidente.

• Participants introduce themselves, revealing a diverse group primarily from the Mochis area, with discussions about their locations and backgrounds.

• Information regarding course content is shared, emphasizing that it will be available on the platform for students to access assignments.

Addressing Student Concerns

• A student raises an issue regarding payment receipts needed for assignment submissions; the instructor offers solutions including sending work via WhatsApp if necessary.

• The instructor reassures students that they will review tasks during the presentation and encourages them to take screenshots for reference.

Importance of Etnofarmacología

Interdisciplinary Nature

• The instructor highlights how etnofarmacología intersects with various sciences like biology and chemistry, crucial for understanding its applications in health.

• Emphasis is placed on preserving ancestral knowledge related to medicinal plants while utilizing modern scientific methods for societal benefit.

Health Implications

• Discussion on the necessity of ensuring health preservation through accessible remedies, especially for vulnerable populations lacking access to expensive pharmaceuticals.

• The potential of biotechnological tools is mentioned as a means to improve quality of life by optimizing resource use in healthcare.

Practical Activity: Identifying Medicinal Plants

Student Engagement

• Students are prompted to share common plants used in traditional medicine for ailments such as stomach pain or infections.

• Examples include poleo (used for colics), manzanilla (for colics), and sábila (for skin issues), showcasing local knowledge of herbal remedies.

Methodology Discussion

• Students discuss preparation methods like teas or infusions, highlighting empirical knowledge versus scientific approaches in plant usage.

Assignments and Research Tasks

First Assignment Details

• Students are tasked with researching metabolites from three identified plants, focusing on active compounds associated with specific ailments.

Documentation Requirements

• Instructions include capturing research findings digitally and submitting them as PDFs on the platform by specified deadlines.

Validating Ancestral Knowledge

Scientific Validation Process

• Etnofarmacología aims to validate traditional knowledge through rigorous scientific methodologies ensuring safety and efficacy in herbal products.

Related Fields

• Introduction of related fields such as ethnobotany which studies human relationships with plants beyond medicinal uses into cultural practices.

Historical Context of Etnofarmacología

Evolution Over Time

• Historical roots trace back before Christ across cultures where early humans utilized plants based on trial-and-error methods leading to empirical knowledge passed down generations.

Biotechnological Applications

Modern Techniques

• Discussion emphasizes using biotechnology tools like genetic engineering to enhance metabolite production efficiently compared to traditional cultivation methods.

Stress Responses in Plants

• Explanation provided about how environmental stressors trigger metabolite production in plants which can be harnessed for therapeutic purposes.

Clinical Applications

Validated Herbal Remedies

• Mentioned examples include St. John's Wort (Ipericum perforatum), known for treating mild depression, showcasing successful integration of traditional remedies into modern medicine.

Techniques for Utilizing Medicinal Plants in Vulnerable Communities

Importance of Proper Plant Preparation

• Many vulnerable communities have medicinal plants at home but lack access to medical services; validating preparation methods can enhance their effectiveness.

• Overcooking plants can deactivate beneficial metabolites, especially volatile compounds like essential oils that are lost during boiling.

• Sun-drying plants may also inactivate many compounds; proper drying techniques are crucial for maintaining efficacy.

Evaluating Safety and Quality Control

• Assessing the toxicity of plant products is essential, as some may accumulate heavy metals from the soil, necessitating quality control measures.

• Unlike Europe, where regulations exist (e.g., European Medicines Agency), Mexico lacks standardized practices for herbal product safety.

Community Engagement and Education

• Educating local producers about proper drying methods can improve product quality; sun-drying reduces the value of oregano due to loss of essential oils.

• Supporting local farmers in cultivating oregano year-round can help maintain sustainable practices and improve economic stability.

Research on Lipia Alba and Its Therapeutic Properties

Study Findings on Antimicrobial Effects

• A doctoral study evaluated various extraction methods of Lipia Alba against antibiotic-resistant bacteria, finding essential oils most effective against pathogens like E. coli and Salmonella.

Community Awareness Initiatives

• A manual was created to educate the public about Lipia Alba's uses beyond ornamental purposes, highlighting its therapeutic benefits for digestive issues and stress relief.

Health Benefits of Poleo (Lipia Alba)

Therapeutic Applications

• Poleo exhibits numerous health benefits: antioxidant, antimicrobial, anti-inflammatory properties; it aids digestion and alleviates muscle tension.

Practical Uses

• The plant is used for treating stomach pain, colds, headaches, and has applications in culinary preparations such as teas or compresses.

Standardization and Regulation Challenges

Need for Rigorous Testing

• Identifying around 40 metabolites in essential oils requires rigorous testing against bacteria before human application to ensure safety and efficacy.

Importance of Controlled Production Methods

• Proper production controls are necessary; exposure to light can degrade oil quality. Standardizing techniques ensures consistent chemical composition across batches.

Regulatory Framework Development

Establishing Legal Standards

• There is a need for regulatory frameworks similar to those in Europe to ensure safe use of herbal products based on traditional knowledge validated through scientific research.

Cultural Knowledge Integration

• Understanding cultural knowledge surrounding medicinal plants is vital; empirical knowledge must be validated through botany to confirm plant identities and properties.

Advancements Through Biotechnology

Genetic Research Opportunities

• Biotechnological tools allow researchers to identify genes responsible for metabolite production in plants which could lead to enhanced cultivation strategies or genetic modifications.

Future Directions

• Integrating traditional practices with modern science paves the way for developing safe therapeutic alternatives within biotechnology frameworks.