๐ Full nutrition facts โ per 100g (raw)
| Nutrient | Amount | % Daily value | Level |
|---|---|---|---|
| Calories | 347 kcal | 17% | |
| Carbohydrates | 62.6g | 21% | |
| Dietary fibre | 16.3g | 58% | |
| Protein | 23.9g | 48% | |
| GI | ~31 โ Low | โ | |
| Folate | 625ยตg | 156% | |
| Iron | 6.7mg | 37% | |
| Zinc | 2.7mg | 22% | |
| Potassium | 1246mg | 27% | |
| Magnesium | 189mg | 47% | |
| Thiamine B1 | 0.62mg | 41% | |
| Phosphorus | 367mg | 37% |
Based on Australian NRV. Source: FSANZ and USDA Food Composition Databases.
๐ Glycaemic index (GI)
๐ Key vitamins & minerals
โ Health benefits
Sprouting mung beans is one of the most nutritionally transformative food preparations available: over 4โ5 days, germination reduces phytic acid by up to 80% (dramatically improving iron, zinc and mineral absorption), synthesises vitamin C from zero to 14mg/100g, reduces oligosaccharides (less flatulence), increases enzyme activity that pre-digests starch (lowering GI further to ~15), and multiplies folate content. Sprouted mung beans are genuinely more nutritious than cooked beans for several key nutrients. This transformation costs nothing but time โ dry beans to nutritious sprouts in 4 days with only water and a jar.
Mung beans provide 625ยตg of folate per 100g โ 156% of the daily requirement, placing them among the highest folate-containing foods in the entire food supply. Only chicken liver (590ยตg) and a few other organ meats approach or exceed this level among commonly eaten foods. Folate is essential for DNA synthesis, neural tube closure in pregnancy, homocysteine metabolism and red blood cell production. Mung bean dal (split mung) is one of the most folate-dense everyday foods in South Asian cuisines and a key nutritional pillar of maternal health in India.
Mung beans have one of the lowest GI values of any legume (GI ~31), and this is reduced further in mung bean sprouts (GI ~15). The resistant starch, soluble fibre and protein content all independently slow glucose absorption. Multiple clinical studies in South and Southeast Asia have found that replacing white rice with mung bean dal significantly reduces post-meal blood glucose and improves long-term glycaemic control in people with type 2 diabetes. For countries where white rice is the dietary staple and diabetes prevalence is high, mung beans represent one of the most practical and culturally appropriate dietary interventions available.
Mung beans contain vitexin and isovitexin โ C-glycosylflavones with documented anti-inflammatory, antioxidant and potentially anti-cancer properties. Multiple laboratory studies have found mung bean extracts inhibit pro-inflammatory cytokines (TNF-ฮฑ, IL-6) and reduce oxidative stress markers. Mung bean polyphenols have demonstrated specific antihypertensive effects in cell and animal studies. Traditional Chinese medicine has used mung beans specifically for 'clearing heat' (reducing fever and inflammation) for over 2,000 years โ a traditional use with increasingly plausible biochemical mechanisms.
โ ๏ธ Who should limit or avoid
Mung beans contain raffinose and stachyose oligosaccharides that cause flatulence via colonic fermentation. However, mung beans cause significantly less flatulence than most other legumes โ their relatively lower oligosaccharide content compared to chickpeas, black beans and kidney beans makes them one of the more 'digestible' legumes. Sprouting reduces oligosaccharides by 50โ80% and virtually eliminates flatulence from mung sprouts. Soaking dried beans 8 hours and discarding soaking water reduces oligosaccharide content further.
Like all legumes, dried mung beans contain phytic acid that reduces iron and zinc bioavailability. This is largely mitigated by soaking (reduces phytate ~25%), cooking (additional reduction) and especially sprouting (reduces phytate up to 80%). For maximum mineral absorption from mung beans, either sprout them or soak overnight before cooking, and consume with vitamin C-containing foods to enhance iron absorption.
Mung bean sprouts (commercially produced) have been implicated in multiple foodborne illness outbreaks from Salmonella and E. coli contamination globally, because the warm, moist conditions required for sprouting also favour bacterial growth. Commercial sprouts should be stored cold and consumed promptly. Home-sprouted mung beans: use clean equipment, rinse twice daily, ensure good airflow, and refrigerate once sprouted. People with compromised immune systems should either cook sprouts briefly before eating or avoid raw commercial sprouts.
๐ How to source & use mung bean
Whole green mung beans: vivid green, intact skin โ use for sprouting, dal with skin, curries and soups. Excellent for sprouting (4โ5 days to sprouts). Split mung dal (moong dal): yellow, split without skin โ cooks faster (20โ25 minutes without soaking), creamier texture, milder flavour. The most-used dal in South Asian cooking for quick everyday meals. Split mung dal with skin (green moong dal): split but green skin on โ intermediate between whole and split for nutrition and cooking time. For sprouting: always use whole green mung beans.
Equipment: a clean jar, piece of muslin or sprout lid. Day 1: rinse 3 tbsp mung beans, soak in 3ร water volume overnight (8โ12 hours). Day 2: drain, rinse, drain again. Cover jar with muslin or sprout lid. Store upside-down at 45ยฐ angle for drainage and airflow at room temperature (20โ25ยฐC). Days 2โ4: rinse and drain twice daily. Sprouts are ready when 2โ3cm long with a small root tail. Day 5: refrigerate. Yield: 3 tbsp dry โ 300โ400g sprouts. Use within 3โ4 days.
Split mung dal (moong dal) cooks faster than any other legume โ no soaking needed, ready in 20โ25 minutes. Tadka moong dal: boil 1 cup dal in 3 cups water with turmeric 20 minutes. Separately fry cumin seeds, garlic, ginger, tomato, chilli in ghee or oil 3 minutes. Combine, add salt, finish with lemon juice and coriander. Moong dal khichdi: cook dal with rice, vegetables and spices together. Moong dal soup: lighter texture suitable for digestive recovery and illness. Mung bean vermicelli noodles: transparent glass noodles from mung bean starch, used in Asian dishes.
๐ง Storage tips & shelf life
Dried mung beans store extremely well โ sealed at room temperature in a cool pantry for up to 2 years. After this they remain edible but take longer to cook and lose some nutritional quality. Store in glass or hard plastic away from light and heat. Older beans may require longer soaking and cooking times.
Once mung bean sprouts reach desired length (2โ3cm), transfer to the refrigerator in a covered container. Use within 3โ4 days for best quality and safety. Rinse once more before eating. Home-sprouted beans kept cold are safer than commercial sprouts and have superior freshness. Discard if any off smell or sliminess develops.
Cooked mung beans and dal refrigerate well for 4โ5 days. Dal thickens considerably when chilled โ reheat with a splash of water. Cooked mung beans freeze well in portions for 6 months โ ideal for making large batches of dal for the week. The high folate content is well-preserved in refrigeration and freezing.
๐ About mung bean โ complete guide
Mung beans (Vigna radiata) were domesticated on the Indian subcontinent approximately 3,500โ4,500 years ago, with the oldest archaeological evidence from Mehrgarh in what is now Pakistan. From India they spread eastward to Southeast Asia and China, becoming one of the most widely cultivated legumes across tropical and subtropical Asia. They are known by dozens of names reflecting their culinary centrality across cultures: moong (Hindi/Urdu), mung (English, from Hindi), green gram (Indian English), lรผdou (Mandarin), monggo (Filipino), kacang hijau (Malay/Indonesian). The Chinese name lรผdou (green bean) reflects the bean's vivid colour, while mung bean sprout dishes appear in Chinese culinary records dating to the Han dynasty (206 BCEโ220 CE). The bean's rapid sprouting โ visible results within 24 hours โ and its nutritional transformation during germination were observed and valued in traditional medicine systems across Asia for millennia before modern nutritional science confirmed the biochemical mechanisms.
The nutritional story of mung bean sprouting is one of the clearest examples of food preparation transforming nutritional value. When a mung bean germinates, it activates multiple enzyme systems that decompose anti-nutritional factors: phytase enzymes break down phytic acid (improving mineral absorption), oligosaccharide-degrading enzymes reduce the flatulence-causing sugars, proteases partially digest protein (improving digestibility), and starch-processing enzymes reduce the GI. Simultaneously, the germinating seed synthesises new nutrients โ most strikingly, vitamin C (from near zero to 14mg per 100g in sprouts) and additional B vitamins. The net effect: sprouted mung beans are significantly more bioavailable in iron, zinc and folate, cause much less flatulence, have a dramatically lower GI (~15 vs ~31), and contain vitamin C that the dry bean entirely lacks. This is why mung bean sprouts have been a valued food in scurvy-prevention during long sea voyages, and why they remain nutritionally important in populations with limited access to fresh vegetables.