Glycine max

(L.) Merr

Soybean, Soya

FabaceaeLeavesSeeds/NutsSpice/BeverageScore: 72/100Potential hazards — see below
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Caution — Parts of this plant may be toxic or require specific preparation. Verify with multiple sources before consuming.
Glycine max
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Glycine max
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Glycine max
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What to Eat

Edible parts: Seeds, Leaves, Spice, Vegetable

The mature seeds are a globally important source of oil and protein. They can be eaten whole in soups and stews, ground into flour for blending with cereal flours or making noodles, or roasted and ground into a nutty powder called 'Kinako' used in Japanese confections. Sprouted seeds are eaten raw or added to cooked dishes, and toasted seeds make a peanut-like snack. The seed is also fermented into foods such as miso and tempeh, and processed into soya milk — a valuable protein supplement in infant feeding that also yields curds and cheese. Seeds contain around 20% oil and 30–45% protein. All seeds on a plant mature at essentially the same time, accompanied by rapid leaf drop and stem drying. Average yield is about 1,700 kg/ha, with high-yielding cultivars under favourable conditions capable of more than doubling that figure. Immature seeds can be cooked like peas or eaten raw in salads. The strongly roasted, ground seeds serve as a coffee substitute. Young seedpods are cooked and used like French beans. An edible semi-drying oil extracted from the seeds is used in cooking, as a salad dressing, and in the manufacture of margarine and shortening. Young leaves can be eaten raw or cooked.

Known Hazards

The raw mature seed contains a range of antinutritional factors; those destroyed by heat are trypsin inhibitors, haemagglutinins, goitrogens, antivitamins, saponins and phytates; heat-stable ones are oestrogens, flatulence factors and lysinoalanine. These factors can be removed in several ways - pre-soaking then cooking for several hours in water; sprouting; fermentation to make products such as miso and tempeh; and roasting can all render the seeds wholesome.

Where to Find It

It is a temperate plant. It suits lowland areas. It can be grown from sea level to 2,100 m altitude. Many varieties will not flower in the tropics (short days). It needs fertile soil. The best soil acidity is pH 5.5 to 7.0. It is damaged by frost. In Nepal it grows to 1800 m altitude. It suits hardiness zones 7-8. In Yunnan.

Afghanistan, Africa, Angola, Argentina, Asia, Australia, Balkans, Bangladesh, Benin, Bhutan, Bolivia, Brazil, Bulgaria, Burkina Faso, Burundi, Cambodia, Cameroon, Canada, Caribbean, Caucasus, Central Africa, Central America, Central Asia, Chile, China, Colombia, Congo DR, Cook Islands, Côte d'Ivoire, Cuba, Czech Republic, Dominican Republic, East Africa, East Timor, Ecuador, Egypt, Ethiopia, Europe, Fiji, France, Georgia, Ghana, Guatemala, Guyana, Haiti, Hawaii, Himalayas, Hungary, India, Indochina, Indonesia, Iran, Iraq, Italy, Ivory Coast, Jamaica, Japan, Kazakhstan, Kenya, Korea, Kyrgyzstan, Laos, Liberia, Madagascar, Malawi, Malaysia, Manchuria, Mauritius, Mediterranean, Mexico, Middle East, Mongolia, Morocco, Mozambique, Myanmar, Nepal, New Zealand, Nigeria, North Africa, North America, Northeastern India, Pacific, Pakistan, Papua New Guinea, PNG, Paraguay, Peru, Philippines, Korea, Romania, Russia, Rwanda, SE Asia, Senegal, Serbia, Sikkim, Slovakia, Slovenia, South Africa, Southern Africa, South America, South Sudan, Spain, Sri Lanka, Sudan, Switzerland, Taiwan, Tajikistan, Tanzania, Tasmania, Thailand, Timor-Leste, Turkey, Türkiye, Uganda, Uruguay, USA, Venezuela, Vietnam, West Africa, West Indies, West Timor, Yugoslavia, Zambia, Zimbabwe,

Countries: Andorra, United Arab Emirates, Afghanistan, Antigua & Barbuda, Albania, Armenia, Angola, Argentina, Austria, Australia, Azerbaijan, Bosnia & Herzegovina, Barbados, Bangladesh, Belgium, Burkina Faso, Bulgaria, Bahrain, Burundi, Benin, Brunei, Bolivia, Brazil, Bahamas, Bhutan, Botswana, Belarus, Belize, Canada, Congo (DRC), Central African Republic, Congo (Republic), Switzerland, Cote d'Ivoire, Cook Islands, Chile, Cameroon, China, Colombia, Costa Rica, Cuba, Cape Verde, Cyprus, Czechia, Germany, Djibouti, Denmark, Dominica, Dominican Republic, Algeria, Ecuador, Estonia, Egypt, Eritrea, Spain, Ethiopia, Finland, Fiji, Micronesia, France, Gabon, United Kingdom, Grenada, Georgia, French Guiana, Ghana, Gambia, Guinea, Equatorial Guinea, Greece, Guatemala, Guinea-Bissau, Guyana, Honduras, Croatia, Haiti, Hungary, Indonesia, Ireland, Israel, India, Iraq, Iran, Iceland, Italy, Jamaica, Jordan, Japan, Kenya, Kyrgyzstan, Cambodia, Kiribati, Comoros, St Kitts & Nevis, North Korea, South Korea, Kuwait, Kazakhstan, Laos, Lebanon, St Lucia, Liechtenstein, Sri Lanka, Liberia, Lesotho, Lithuania, Luxembourg, Latvia, Libya, Morocco, Monaco, Moldova, Montenegro, Madagascar, Marshall Islands, North Macedonia, Mali, Myanmar, Mongolia, Mauritania, Malta, Mauritius, Maldives, Malawi, Mexico, Malaysia, Mozambique, Namibia, Niger, Nigeria, Nicaragua, Netherlands, Norway, Nepal, Nauru, New Zealand, Oman, Panama, Peru, Papua New Guinea, Philippines, Pakistan, Poland, Puerto Rico, Portugal, Palau, Paraguay, Qatar, Romania, Serbia, Russia, Rwanda, Saudi Arabia, Solomon Islands, Seychelles, Sudan, Sweden, Singapore, Slovenia, Slovakia, Sierra Leone, San Marino, Senegal, Somalia, Suriname, South Sudan, Sao Tome & Principe, El Salvador, Syria, Eswatini, Chad, Togo, Thailand, Tajikistan, Timor-Leste, Turkmenistan, Tunisia, Tonga, Turkey, Trinidad & Tobago, Tuvalu, Taiwan, Tanzania, Ukraine, Uganda, United States, Uruguay, Uzbekistan, St Vincent, Venezuela, Vietnam, Vanuatu, Samoa, Yemen, South Africa, Zambia, Zimbabwe

How to Identify

A small erect bean up to 60 cm tall. It grows each year from seed. Straggling kinds can occur. Stems, leaves and pods are softly hairy. The leaves have 3 leaflets. The leaflets have stalks. Flowers are small and white or blue. They occur in groups in the axils of leaves. The pods are broad, flat and hairy. Pods have 2-4 seeds. The seeds can be yellow to black.

Nutrition Score: 72/100

PartMoisturekJkcalProteinVit AVit CIronZinc
Seeds 91701407 33.755 6.1
Immature Seeds 68584140 131627 3.80.9
Seeds sprouted 79.533981 8.518.3 1.31

How to Grow

It is grown from seed. Seeds need to be inoculated with bacteria before planting. The correct one is Bradyrhizobium japonicum. Plants need to be about 20 cm apart.

Propagation: Pre-soak seed for 12 hours in warm water, then sow in early spring in a greenhouse at 12–16°C; germination should occur within two weeks. Once large enough to handle, prick seedlings out into individual pots and plant out in late spring or early summer after the last expected frosts. Seed can also be pre-soaked for 12 hours and sown in situ in late spring, though yields will be poor unless the summer is very hot.

Medicinal Uses

The fermented seed is weakly diaphoretic and stomachic, used to treat colds, fevers, headaches, insomnia, irritability, and a stuffy sensation in the chest. Bruised leaves are applied externally to snakebite. The flowers are used in treating blindness and opacity of the cornea. Stem ash is applied to granular haemorrhoids or fungal growths on the anus. Immature seedpods are chewed to a pulp and applied to corneal and smallpox ulcers. The seed is considered antidotal and is regarded as beneficial to the healthy functioning of the bowels, heart, kidneys, liver, and stomach. Seed sprouts are constructive, laxative, and resolvent, exhibiting oestrogen-like activity in the body as well as antispasmodic properties; they are used to treat oedema, dysuria, chest fullness, decreased perspiration, the initial stages of flu, and arthralgia. A decoction of the bark or root is astringent. Soybean diets are valued for treating acidosis. Because soybean oil has a high proportion of unsaturated fatty acids, it is recommended — alongside safflower and poppy seed oil — to combat hypercholesterolaemia. Commercial lecithin derived from soybean is reported to contain a potent vasopressor and is used medicinally as a lipotropic agent. Soybean is a major starting material for stigmasterol, once known as an antistiffness factor, and sitosterol, a soy by-product used to replace diosgenin in some antihypertensive drugs.

Other Uses

The seeds yield up to 20% of a semi-drying oil (described as non-drying in some reports) with a wide range of industrial applications, including the manufacture of paints, linoleum, oilcloth, printing inks, soap, insecticides, and disinfectants. Lecithin phospholipids, obtained as a by-product of oil processing, are used as wetting and stabilising agents in food, cosmetic, pharmaceutical, leather, paint, plastic, soap, and detergent industries. Both the meal and soybean protein are used in producing synthetic fibre, adhesives, textile sizing, waterproofing materials, fire-fighting foam, and many other products. The plant is sometimes grown as a green manure. The straw can be made into paper, which is stiffer than wheat straw paper. The plant is an excellent biomass source; seed oil can be used as a diesel fuel and the stems can be burnt as fuel.

Wikipedia

Source ↗

An annual herb growing to 0.6 m tall, hardy to UK zone 8. Hermaphrodite flowers bloom July to September, pollinated by insects. Requires full sun and well-drained light sandy to medium loamy soil across mildly acidic to basic pH ranges. Prefers moist conditions and fixes nitrogen in soil.

Production

Plants flower about 8 weeks after sowing and pods mature about 16 weeks after sowing. Often plants are pulled up and hung up before threshing out the seed.

Other Information

These beans can be found in small amounts in many places throughout the country of Papua New Guinea. Soybean is a major food plant in warm temperate and subtropical zones. Over 100 million tons are produced each year. It is widely cultivated.

Notes

There are 10 Glycine species.

Names & Synonyms

Bekan, Ber-hrum, Bhatamas, Bhatmas, Da hou, Daizu, Dau-nanh, Dekeman, Edu mame, Feve de soja, Fore-keli Frijol soya, Gadele, Hak dau, Hsan-to-nouk, Huang dou, Jaa jang, Kacang kedalai, Kacang soya, Kachang bulu rimau, Kachang jepun, Kachang kedele, Kadele, Kedalai, Manchurian bean, Mao dau, Nga-see, Peayak, Pe-bok, Pe-ngapi, Sanndaek sieng, Soia, Soja bean, Sojabohne, Soya bean, Tai dau, Thua lueang, Tor nor klee, Tua luang, Utaw, Wong dau

Dolichos soja L.Glycine gracilis SkvortsovGlycine hispida (Moench) Maxim.Glycine hispida var. brunnea SkvortzovGlycine hispida var. lutea SkvortzovGlycine soja (L.) Merr., nom. illeg.Phaseolus max L.Soja angustifolia Miq.Soja hispida MoenchSoja japonica SaviSoja max (L.) PiperSoja viridis Savi
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