Grew better because of the temperate climate. Up to this time the peas were eaten as fully ripened seeds. Glycine max Native to northeast China and domesticated about 3,000 years ago. First brought from the Orient to France by missionaries. - but not popular until after about 1890. Introduced into United States around 1920.
Cakes become encrusted with fungi.
Cakes are subsequently soaked in salt water, which is then drained off and filtered to produce the soy sauce. Wild types of garden beans were vines and were often grown in association with maize for support. This also provided a good nitrogen balance since the beans are able to fix nitrogen and the corn is a heaver user of nitrogen. Some of the long-chain sugars contained in some garden beans are not digestible by human enzymes. Sought a nutritious, easily chewed food.