
Pigeon Peas
Tanzania · Malawi · Mozambique
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Whole mung beans — green gram in East African trade usage — from Tanzania, Kenya and Ethiopia, graded to size and supplied machine cleaned or colour sorted.
Mung beans and green gram are the same commodity. "Green gram" is the term used across East Africa and in much of the regional trade; "mung bean" is the international name; "moong" is used in South Asia and "ndengu" in Kenya. Buyers moving between these markets encounter all four terms for one product, which is why this page carries them together rather than splitting them across separate pages.

Specification
Whole green mung beans, East African origin
Notes on specific parameters
Machine cleaned and optically colour sorted
Notes on specific parameters
Grades and forms
Mechanically cleaned and graded: pre-cleaned, aspirated, screened to size, destoned and density separated. The standard commercial grade for milling buyers and for price-sensitive destinations.
Machine cleaned and then optically colour sorted to remove discoloured, stained, off-colour and remaining defective seed. The specification most retail packers and premium buyers work to.
Screened into commercial size bands. Larger bands attract a premium, and which bands a season yields depends on the crop, so the available band is confirmed against a current sample.
Packing and supply
Packing is confirmed in writing before bagging begins. Packing formats and marking in full.
Quality and trade
Third-party inspection can be nominated at the loading point — sampling, analysis, weight verification and loading supervision. Quality and processing in full.
Final documentation depends on the commodity, origin, destination and buyer requirements. Not every document listed is required on every shipment.
Origin and sourcing
Harvest Export
Tanzania: harvest Feb–Aug, export window Mar–Oct. Kenya: harvest Jan–Aug, export window Feb–Sep. Ethiopia: harvest Oct–Dec, export window Dec–Mar. Uganda: harvest Jun–Jan, export window Jan–Aug.
Indicative windows from the published crop calendar, not a live stock position.
The crop suits East African conditions well. It is short-duration, which means it comes to market quickly after the rains and fits into cropping patterns where a long-season pulse would not. In Tanzania it is concentrated in the central regions around Dodoma and Singida, where rainfall is lower and less reliable; in Kenya it comes principally from the eastern counties. Because much of the growing area sits on bimodal rainfall, there is more than one window in a calendar year, which spreads availability compared with a single-harvest origin.
Commercially, mung beans are traded on size as well as on purity. Screening separates the crop into bands, and larger, well-filled beans carry a premium — a buyer who omits the size band from an enquiry has not yet said enough for an offer to be priced. Colour is the second differentiator: bright, even green is worth more than dull or weathered material, and brightness fades with age, which ties the conversation back to crop year.
The end uses split three ways, and they want different things. Dal mills split the bean into moong dal and price on recovery, so purity, moisture and defect levels matter more than presentation. Retail packers sell the whole bean in transparent packs, so colour, size uniformity and freedom from visible defects dominate and a colour-sorted specification is normally assumed. Sprouting buyers are a category of their own: they need viable, undamaged seed with a high germination rate, and no written specification substitutes for a germination test on the actual crop.
The main quality risk in this commodity is insect activity in storage. Bruchid beetles attack mung beans readily, and because the crop is often held between harvest and shipment, storage conditions and treatment history at origin matter as much as what happens on the cleaning line. Density separation removes much of the damaged seed, but prevention in store is a better answer than removal afterwards.
Also traded as green gram · moong · mung · green mung beans · ndengu. These are trade names for the same commodity and are covered by this page rather than split across separate listings.
Typical destinations for this commodity. Import duty, quotas and phytosanitary conditions are set by the importing country — confirm the current position with your own broker.
Yes. Green gram is the term used across East Africa and in the regional trade, mung bean is the international name, moong is used in South Asia and ndengu in Kenya. All refer to Vigna radiata. Because they are one product, they are covered by one page here rather than by several near-identical pages competing with each other.
Mung beans are screened into commercial bands, commonly quoted as 3.0 mm and above, 3.2 mm and above, and 3.5 mm and above. Which bands a season actually yields depends on the crop, so the available band is confirmed against a current sample rather than promised in advance.
Machine cleaning is mechanical: pre-cleaning, aspiration, screening, destoning and density separation. Sortex adds an optical colour-sorting pass that ejects discoloured, stained and off-colour seed by camera. Sortex product has a higher purity and a better visual grade, and costs more because the reject fraction is larger. Milling buyers often take machine cleaned; retail packers normally specify Sortex.
Sprouting buyers need viable, undamaged seed with a documented germination rate, which is a property of the specific crop and its handling rather than of the written specification. Where sprouting quality is required, it is agreed as a tested parameter on the actual lot. State the requirement in the enquiry so the right crop is offered.
Tanzanian green gram has a main window in the first part of the year with a second, smaller window mid-year; Kenya harvests on a bimodal pattern; Ethiopia comes later in the calendar year. Because the crop is short-duration it reaches market quickly after the rains. See the crop calendar, and treat the windows as indicative.
25 kg and 50 kg woven polypropylene bags are standard, with laminated printed and buyer-branded options where the product goes to retail. A PE liner is used where the route or season warrants additional moisture protection. Packing is confirmed in writing before bagging.
Catalogue

Tanzania · Malawi · Mozambique
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Tanzania · Malawi · Mozambique
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Ethiopia · Tanzania
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Tanzania · Ethiopia
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