Artificial crosses have been made between V. mungo and V. umbellata to produce improved mung bean varieties (e.g. Singh et al., 2006).
Currently, the world genebanks hold about 40,000 bean varieties, although only a fraction are mass-produced for regular consumption.
Heinz manufactures "Big Red" tomato sauce, and a number of flavored baked bean varieties, as well as canned meals.
The flavor of Moka pot coffee depends greatly on bean variety, roast level, fineness of grind, and the level of heat used.
Depending on bean variety and grind selection, Moka pots can create a foam emulsion, known as crema.
Bring to a boil, then simmer, covered, until tender - about one to three hours, depending on the bean variety.
Good qualities in bean varieties have evolved over many years of field observance, selection and breeding.
Furthermore, navy bean is the richest source of ferulic acid and p-coumaric acid among the common bean varieties.
Unlike its traditional neighbours, this café sticks almost entirely to coffee, offering a long list of bean varieties instead of the normal calorific choice of pastries.
Kidney beans are more toxic than most other bean varieties if not pre-soaked and subsequently heated to the boiling point for at least 10 minutes (see Phaseolus vulgaris).