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