Preprint Article Version 1 This version is not peer-reviewed

The Fast Cooking and Enhanced Iron Bioavailability Properties of the Manteca Yellow Bean (Phaseolus vulgaris L.)

Version 1 : Received: 24 September 2018 / Approved: 24 September 2018 / Online: 24 September 2018 (15:24:38 CEST)

A peer-reviewed article of this Preprint also exists.

Wiesinger, J.A.; Cichy, K.A.; Tako, E.; Glahn, R.P. The Fast Cooking and Enhanced Iron Bioavailability Properties of the Manteca Yellow Bean (Phaseolus vulgaris L.). Nutrients 2018, 10, 1609. Wiesinger, J.A.; Cichy, K.A.; Tako, E.; Glahn, R.P. The Fast Cooking and Enhanced Iron Bioavailability Properties of the Manteca Yellow Bean (Phaseolus vulgaris L.). Nutrients 2018, 10, 1609.

Journal reference: Nutrients 2018, 10, 1609
DOI: 10.3390/nu10111609

Abstract

The common dry bean (Phaseolus vulgaris L.) is a nutrient dense food produced globally as a major pulse crop for direct human consumption, and is an important source of protein and micronutrients for hundreds of millions of people across Latin America, the Caribbean and Sub-Saharan Africa. Beans require large amounts of heat energy and time to cook, deterring consumers worldwide from purchasing beans. In regions where consumers rely on expensive fuelwood for food preparation, the yellow bean is often marketed as fast cooking. A Yellow Bean Panel (YBP) was assembled to explore the cooking time and health benefits of the five major seed types within the yellow bean market class (Amarillo, Canary, Manteca, Mayocoba, Njano) over two field seasons. This study shows how the Manteca yellow bean possess a fast cooking phenotype, which could serve a genetic resource for introducing fast cooking properties into a new generation of dry beans with cooking times < 20 minutes when pre-soaked and < 80 minutes unsoaked. Nutritional evaluation revealed fast cooking yellow beans have high iron retention (>80%) after boiling. An in vitro digestion/Caco-2 cell culture bioassay revealed a strong negative association between cooking time and iron bioavailability in the YBP (r values > -0.73). When either pre-soaked or left unsoaked the highest iron bioavailability scores were measured in the fast cooking Manteca genotypes providing evidence that this yellow market class is worthy of germplasm enhancement through the added benefit of improved iron quality after cooking.

Subject Areas

Phaseolus vulgaris L., yellow beans, Manteca, cooking time, iron, bioavailability, polyphenols

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