Beans and Maize

Beans

  • Definition: Beans are also referred to as legumes.

  • Cultivation History:

    • Beans were cultivated approximately 7,000 to 10,000 years ago.

    • They were first exploited in the central and southern Americas.

  • Nutritional Value:

    • Beans are a very important form of plant-based proteins, though they are not a complete protein source on their own.

    • They are very high in fiber.

  • Agricultural Use:

    • Beans, when used in crop rotation, can enrich soils and improve soil health.

  • Geographical Importance:

    • Beans became a vital crop in Mediterranean Europe and Asia.

  • Culinary Pairing:

    • Beans are often cooked in combination with maize (corn).

Maize (Corn)

  • Definition and Importance:

    • Maize is the number one produced crop in the world, utilized for feed, direct food consumption, processed food products, and as fuel.

  • Cultivation History:

    • Harvesting of corn began approximately 9,000 years ago in Mesoamerica.

  • Processing:

    • The natural consumption of corn requires a treatment process known as nixtamalization, which involves soaking and cooking corn (usually in lime water), followed by grinding and hulling the kernels.)

    • This process increases niacin as well as protein and vitamin content in corn.

  • Health Implication Without Processing:

    • If maize is consumed without undergoing nixtamalization, it becomes very difficult to process and digest.

    • Historically, inadequate nixtamalization led to a disease known as pellagra, characterized by symptoms including dementia, skin diseases, diarrhea, and, in extreme cases, death.

Nutritional Synergy of Beans and Maize

  • Amino Acid Complementation:

    • Beans and maize complement each other in their amino acid profiles:

    • Maize is low in lysine but high in methionine.

    • Beans are rich in lysine and lower in methionine.

    • When beans and maize are cooked and prepared together, they create a complete protein profile, providing all the required amino acids critical for muscle and brain development.

Cultural Significance of Beans and Maize

  • Dietary Staples:

    • Many cultures rely on rice and beans and/or maize and beans as staples in their diets.

  • Example from Central and Mexican American Cuisine:

    • Central Americans and Mexican Americans consume arroz con frijoles (rice and beans) as a staple in their diet.

  • Culinary Inquiry:

    • Consider other types of bean and/or maize foods that are commonly consumed in various diets.

Common Dishes Utilizing Maize, Beans, and Rice

  • Culinary Traditions:

    • In Central and South America:

    • Tortillas, tacos, tamales, and empanadas.

    • In the Caribbean and parts of Africa:

    • Rice and beans, rice and peas (pigeon beans).

    • In the United States and Europe:

    • Domestic sweet corn is used for personal consumption in foods such as corn flakes, grits, and bread.

  • Processed Maize Products:

    • Some examples of processed maize products include:

    • Corn syrup

    • Corn powder

    • Cornstarch

    • Cornmeal

    • Corn oil

    • Alcoholic beverages (e.g., whiskey, beer).

  • Culinary Inquiry:

    • Explore and name additional common corn products consumed in various diets.

Key Terms

  • Beans

  • Maize

  • Amino Acids

  • Nixtamalization

  • Pellagra

  • Protein