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Biotechnology: a solution for improving nutrient bioavailability.

Janet C King1

  • 1United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, University of California, Davis, CA 95616, USA. jking@whnrc.usda.gov

International Journal for Vitamin and Nutrition Research. Internationale Zeitschrift Fur Vitamin- Und Ernahrungsforschung. Journal International De Vitaminologie Et De Nutrition
|March 13, 2002
PubMed
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Biotechnology offers plant breeding methods to enhance crop nutrition. Genetic engineering precisely modifies plant genes for improved nutrient content, revolutionizing food supplies.

Area of Science:

  • Agricultural Science
  • Biotechnology
  • Plant Breeding

Background:

  • Crop nutrient density is crucial for human health.
  • Traditional breeding methods can be slow and combine undesirable traits.
  • Biotechnology provides advanced tools for crop improvement.

Purpose of the Study:

  • To review biotechnology strategies for enhancing crop nutrient content.
  • To compare conventional breeding with genetic engineering for nutritional improvement.
  • To highlight the potential and challenges of genetically engineered crops.

Main Methods:

  • Plant selection for high nutrient density.
  • Cross-breeding and hybridization to incorporate desired traits.
  • Genetic engineering for precise modification of plant nutrient composition.

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Main Results:

  • Hybridization techniques have produced low-phytate corn, barley, and rice.
  • Genetic engineering has created biofortified crops like Golden Rice (carotenoids) and iron-enriched rice.
  • These methods offer targeted improvements in plant nutrition.

Conclusions:

  • Biotechnology, particularly genetic engineering, holds significant potential for revolutionizing nutrition.
  • Overcoming public concerns regarding safety, appearance, and ethics is essential for widespread adoption.
  • Genetically engineered crops can play a vital role in addressing global nutritional challenges.