Genetically modified foods: safety, risks and public concerns-a review
1Defence Food Research Laboratory, Siddarthanagar, Mysore, 570011 India.
Journal of Food Science and Technology
|January 16, 2014
Summary
Genetically modified (GM) foods and crops, created using recombinant DNA technology, offer potential benefits but also pose risks. This review examines environmental, ecological, and health concerns associated with GM technologies.
Area of Science:
- Biotechnology
- Agricultural Science
- Molecular Biology
Background:
- Genetic modification (GM) involves altering the genetic makeup of organisms using gene technology.
- Recombinant DNA technology combines genes from different organisms, creating genetically engineered or transgenic organisms.
- Commercially grown GM crops include herbicide/insecticide-resistant soybeans, corn, cotton, and canola.
Purpose of the Study:
- To review the potential benefits and risks of genetically modified foods and recombinant DNA technology.
- To address public concerns regarding human and environmental safety, labeling, ethics, and food security.
- To evaluate the health hazards and ecological risks associated with GM foods.
Main Methods:
- Review of existing literature on genetic modification and recombinant DNA technology.
- Analysis of controversies and public concerns surrounding GM foods and crops.
- Examination of scientific data on safety, environmental impact, and health effects.
Main Results:
- GM crops offer potential solutions for challenges like malnutrition and disease resistance (e.g., iron-enriched rice, virus-resistant sweet potatoes).
- GM technology enables faster-maturing fish, earlier-yielding fruit/nut trees, and plants producing novel materials.
- Significant public concerns exist regarding potential risks, ethical considerations, and the long-term impact of GM technologies.
Conclusions:
- GM technologies present both dramatic promise and potential risks, necessitating careful consideration of known and unknown factors.
- Addressing public concerns about safety, environmental impact, and ethical implications is crucial for the responsible development and adoption of GM foods.
- Further research and transparent communication are essential to navigate the complexities of genetic modification and ensure its beneficial application.
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