| These carbohydrates therefore leave the upper intestine unchanged and enter the lower reaches, where our resident bacterial population does the job we are unable to do | [ Bulgarian Guide: Bean Soup Recipe]• |
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| Many legumes, especially soy, navy and lima beans, cause a sudden increase in bacterial activity and gas production a few hours after they're consumed | Kaplan, "Legumes in the History of Human Nutrition" The World of Soy, 2008:27ff |
[ Discovery Online: The Skinny On Why Beans Give You Gas]• we do not possess any enzymes that are capable of breaking down larger sugars, such as raffinose etc.
10| [ Cook's Thesaurus on Beans]• "And as in some great threshing-floor go leaping From a broad pan the black-skinned beans or peas | Daniel Zohary and Maria Hopf Domestication of Plants in the Old World 2000:114 |
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| Gorman, "Hoabinhian: a pebble-tool complex with early plant associations in Southeast Asia", Science, 1969 | Laura McGinnis and Jan Suszkiw, ARS |
Domestication, besides involving selection for larger seed size, also involved selection for pods that did not curl and open when ripe, scattering the beans they contained Kaplan 2008:30.