Classification
Product TypeRaw Material
Product FormDried (often dehusked/split as "yellow gram"/"yellow moong dal")
Industry PositionPrimary Agricultural Product (Pulse/Grain Legume)
Raw Material
Commodity GroupPulses (grain legumes)
Scientific NameVigna radiata
PerishabilityLow (as a dried pulse), but quality is highly sensitive to moisture uptake and insect infestation during storage and transit.
Growing Conditions- Warm-season annual legume; optimal temperatures commonly cited in the low-to-mid 20s °C and sensitivity to excessive rainfall/humidity around flowering in some systems
- Typically grown rain-fed in monsoon climates and in irrigated spring/summer windows in parts of South Asia; suitable up to around 2000 m elevation in tropical contexts
- Prefers well-drained soils; overly wet conditions increase disease risk and can reduce yields
Main VarietiesWhole mung bean (green gram) with seed coat, Dehusked split mung bean (yellow gram/yellow moong dal), Large-seeded shiny green types (premium appearance / sprouting-oriented lots)
Consumption Forms- Cooked whole beans (soups, desserts, porridge, savory dishes)
- Dehusked split product (dal)
- Sprouted beans (bean sprouts)
- Processed uses including starch extraction and flour/paste applications
Grading Factors- Appearance (uniform color/brightness) and varietal purity (avoid mixed lines)
- Purity/foreign matter (soil/stones, other seeds, splits) and defect counts
- Moisture and storability indicators
- Insect damage/bruchid infestation and seed integrity (breakage/splits)
- For sprout-intended lots: sprouting performance and pathogen testing requirements in some industry systems
Planting to HarvestShort-duration crop; flowering can occur within ~30–70 days and mature seed harvest commonly falls within ~70–120 days depending on variety and growing conditions.
Market
Fresh-yellow-gram in global trade most commonly maps to mung bean (Vigna radiata), also known as green gram/yellow gram, traded primarily as dried shelled beans and as dehusked split yellow dal. Production is heavily concentrated in Asia, with India and Myanmar consistently cited among the largest producers, alongside China, Thailand, and Pakistan. Export-oriented supply is particularly associated with Myanmar and Australia, while import demand is concentrated in Asian food markets and in sprout and ingredient channels. Seasonality is shaped by monsoon-driven cycles in South/Southeast Asia and counter-seasonal Australian supply, with quality and food-safety requirements (especially for sprouting uses) influencing tradeability and price.
Major Producing Countries- IndiaMajor global producer; leading producer cited in FAOSTAT-referenced literature for mungbean.
- Myanmar [Burma]Major producer and strongly export-oriented origin for mung beans.
- ChinaMajor producer and large consumption market; also a key destination market for regional exports.
- ThailandCited among major Asian producing countries in FAOSTAT-referenced literature.
- PakistanCited among major producing countries in FAOSTAT-referenced literature.
Major Exporting Countries- Myanmar [Burma]Large-scale exporter of mung beans; reported key markets include China, Vietnam, Indonesia, Japan, the Philippines, and parts of Europe.
- AustraliaExport-oriented supplier; Australian industry sources report that >95% of production is exported and graded to industry standards.
Major Importing Countries- ChinaReported major destination for Myanmar mung bean exports; important market for food and sprouting uses.
- VietnamReported destination for Myanmar exports; mung beans used widely in local food applications.
- IndonesiaReported destination for Myanmar exports; demand includes food and ingredient uses.
- JapanReported destination for Myanmar exports; higher sensitivity to food-safety and quality specifications.
- PhilippinesReported destination for Myanmar exports.
- NetherlandsReported European buyer market for Myanmar exports; indicative of EU distribution channels.
Supply Calendar- Myanmar (winter crop):Feb, Mar, AprWinter-season mung bean crop harvested February–April per Myanmar pulses trade association.
- Myanmar (monsoon crop):Aug, Sep, Oct, Nov, Dec, JanMonsoon-season crop harvested August–January per Myanmar pulses trade association.
- India (kharif crop):Sep, OctMoong/green gram harvest commonly falls around September–October in major kharif production systems; timing varies by state and variety.
- India (spring/summer crop):May, JunSpring/summer moong cycles are used in some irrigated systems; example agronomy guidance cites harvest by mid-May for spring plantings and marketing/procurement activity extending into May–June.
- Australia (Queensland & northern NSW):Mar, Apr, MayAustralian mungbeans are reported harvested March–May (autumn) and marketed for export.
Specification
Major VarietiesMung bean (Vigna radiata) marketed as green gram/whole mung, Dehusked split mung bean marketed as yellow gram/yellow moong dal, Large-seeded shiny green types commonly used in sprouting and premium appearance markets
Physical Attributes- Whole mung beans: small seeds typically marketed with green seed coat; yellow appearance is associated with dehusking
- Split/dehusked product: pale yellow cotyledons; higher breakage/split sensitivity during handling than whole beans
- Appearance (uniform color/brightness), seed-coat integrity (whole beans), and absence of insect damage are key buyer-visible quality drivers
Compositional Metrics- Protein content commonly reported in the ~20%–31% range depending on cultivar and processing (e.g., dehulling can change measured digestibility characteristics)
- Moisture is a core commercial specification for storability and insect/mold risk; thresholds vary by origin standard and buyer contract
- For sprout-use lots, some industry systems specify microbiological criteria and sprouting performance tests in addition to grain appearance and purity
Grades- Australia: Australian Mungbean Association (AMA) grading commonly referenced as No. 1 / Processing / Manufacturing, assessed by accredited labs using appearance, purity, size, moisture, defects, and other parameters
- Export markets frequently impose destination-specific limits on foreign matter, splits, insect damage, and chemical residues (MRLs), with stricter requirements for sprout-intended seed
Packaging- Bulk trade commonly uses woven polypropylene (PP) bags (e.g., 25 kg) and full-container-load shipments; packaging must protect against moisture uptake and infestation
- For higher-spec lots (sprouting/premium appearance), segregation by variety/class and lot traceability are commonly required to avoid discounts for mixed seed lines
ProcessingDehusking and splitting converts green gram into yellow split product used as dal; this increases convenience/shortens cooking time but increases sensitivity to moisture pickup and breakage during handlingCleaning and grading (air-screen + gravity separation in some systems) are used to reduce foreign matter, improve uniformity, and meet food-safety expectations
Supply Chain
Value Chain- Harvest (multiple pickings in some systems) -> drying -> threshing -> cleaning/grading -> bagging/bulk handling -> export (sea or border trade) -> importer cleaning/sorting -> retail/foodservice or ingredient processing
- For yellow split product: whole beans -> dehulling/decortication -> splitting -> polishing (optional) -> packing
Demand Drivers- Staple pulse consumption in South Asia (dal and related dishes) and broad culinary use across East/Southeast Asia
- Sprouting demand (bean sprouts) and strict downstream food-safety expectations for sprout-intended seed lots
- Ingredient demand: starch extraction and processing uses (e.g., transparent/cellophane noodle applications in some cuisines)
Temperature- Typically shipped and stored as a dried pulse at ambient temperatures; quality preservation depends on keeping the product dry and protected from heat/humidity swings
- High temperature and humidity during storage accelerate quality deterioration and increase insect activity risk; drying and moisture control are critical
Shelf Life- Dried mung beans and yellow split product can store for extended periods when kept dry and protected; shelf-life in practice is often limited by moisture pickup and insect infestation rather than intrinsic perishability
- Bruchid (pulse beetle) infestation can cause heavy losses and, in unmanaged storage systems, can lead to near-total quality/value loss within a few months
Risks
Plant Disease HighMungbean yellow mosaic disease (MYMD), caused by whitefly-transmitted begomoviruses (e.g., MYMV/MYMIV), is widely cited as a major limiting factor in mungbean production across South and Southeast Asia and can cause severe yield losses up to complete crop failure under epidemic conditions.Use resistant/tolerant varieties where available; implement integrated whitefly management; adjust planting windows to avoid peak vector pressure; strengthen seed/field sanitation and surveillance.
Food Safety MediumMung bean sprouts have a documented association with Salmonella and other pathogen outbreaks; contamination can originate at the seed stage and amplify during sprouting, creating high reputational and regulatory risk for sprout-intended supply chains.Segregate sprout-intended lots; apply validated seed disinfection and testing programs; enforce traceability and hygienic processing standards for sprout production; follow applicable national sprout standards/guidance in destination markets.
Storage Pests MediumBruchid (Callosobruchus spp.) infestation is a major global storage risk for mung beans, with literature reporting heavy losses and potential total loss within 3–6 months in poorly protected storage.Dry to safe moisture for storage; maintain clean stores; use hermetic storage, controlled fumigation where permitted, and regular monitoring to prevent reinfestation.
Supply Concentration MediumExport-quality mung bean supply for international markets is strongly associated with a limited set of origins (notably Myanmar and Australia). Large year-to-year swings in Myanmar export volumes can tighten availability and increase price volatility for import-dependent buyers.Qualify multiple origins and specifications (whole vs split/dehusked); diversify contracting across Myanmar, Australia, and alternative Asian suppliers; build buffer stocks during peak shipment windows.
Climate MediumMonsoon variability and excessive rainfall/humidity—especially around flowering—can reduce yields and disrupt quality, while heat/humidity in storage regions raises deterioration and infestation risks.Track monsoon/seasonal forecasts for key origins; stagger sourcing across seasonal windows (South/Southeast Asia vs Australia); strengthen drying and storage controls post-harvest.
Sustainability- Nitrogen fixation and rotation value: mungbean is a legume that can improve soil fertility and reduce reliance on synthetic nitrogen inputs in some systems
- Water-use efficiency and short-duration cropping: promoted in some production regions as a relatively efficient summer rotation crop, but yields are sensitive to excess rainfall/humidity at flowering
- Food loss prevention: post-harvest drying and improved storage (e.g., hermetic approaches) are material levers to reduce insect-driven losses
FAQ
What is “yellow gram” in global legume trade?“Yellow gram” is commonly used as a name for mung bean (Vigna radiata) and can also refer to dehusked split mung bean sold as yellow moong dal. The yellow appearance is associated with removing the green seed coat during processing.
Which countries are most important for global mung bean (yellow gram) supply?Major production is concentrated in Asia, with India and Myanmar frequently cited among the largest producers, alongside China, Thailand, and Pakistan. For export-oriented supply, Myanmar and Australia are widely referenced as key origins for international markets.
What is the biggest global supply risk for mung beans (yellow gram)?A key global production risk is mungbean yellow mosaic disease (MYMD), a whitefly-transmitted viral disease complex that can cause severe yield losses, including complete crop failure in severe outbreaks. This risk is most acute in major producing regions across South and Southeast Asia.
Why do some buyers apply extra food-safety controls for mung beans?Mung beans used for sprouting (to make bean sprouts) face higher food-safety scrutiny because pathogens can originate in seed lots and multiply during sprouting. Public health agencies have documented outbreaks linked to sprouted beans, which drives stricter testing, traceability, and processing expectations for sprout-intended supply.