Latest reviewed evidence
The July 2023 U.S. Standards for Beans set U.S. No. 1 Mung Beans maximums of 18 percent moisture, 2 percent total defects, 2 percent total damaged beans, 0.1 percent clean-cut weevil-bored beans, 0.5 percent foreign material, 0.5 percent contrasting classes and 5 percent classes that blend. These are limits within a defined U.S. grade and sampling system, not results for an offered lot, proof of food-safety suitability, current availability or price.
U.S. No. 1 Mung Beans moisture ceiling
18
percent, maximum · U.S. Standards for Beans, July 2023
U.S. No. 1 Mung Beans total-defects ceiling
2
percent, maximum · U.S. Standards for Beans, July 2023
U.S. No. 1 Mung Beans total-damaged ceiling
2
percent, maximum · U.S. Standards for Beans, July 2023
U.S. No. 1 Mung Beans clean-cut weevil-bored ceiling
0.1
percent, maximum · U.S. Standards for Beans, July 2023
U.S. No. 1 Mung Beans foreign-material ceiling
0.5
percent, maximum · U.S. Standards for Beans, July 2023
U.S. No. 1 Mung Beans contrasting-classes ceiling
0.5
percent, maximum · U.S. Standards for Beans, July 2023
U.S. No. 1 Mung Beans classes-that-blend ceiling
5
percent, maximum · U.S. Standards for Beans, July 2023
Vigna radiata identity comes before a mung-bean grade
Kew accepts Vigna radiata (L.) R.Wilczek in Fabaceae. Common trade names can be ambiguous, and black gram or urad is Vigna mungo, a different species. USDA separately identifies Mung Beans as a bean class. Atlas records the accepted botanical identity, declared variety where relevant, production and processing origin, crop year, intended use and supporting identity evidence before accepting a class, grade or supplier description.
Whole, split, dehulled, flour, sprouting seed and sprouts stay separate
Dry whole mung beans, split or dehulled mung dal, flour or starch, planting seed, seed intended for sprouting and fresh sprouts differ in physical form, mass basis, processing, germination requirement, microbiological risk, package and shelf life. FDA treats sprouts as a distinct produce category and applies specific controls to covered sprout operations. Atlas retains whole, split, dehulled, milled, planting or sprouting form; process; intended use; germination evidence where relevant; microbiological controls; package and conversion basis instead of merging these observations.
U.S. grade factors require a representative sample and stated class
USDA's Mung Beans table sets maximum moisture and defect factors for U.S. Nos. 1, 2 and 3 and defines outcomes above certain class-mixture or weevil-damage thresholds. The Bean Inspection Handbook describes the official procedures used to determine class, moisture, foreign material, contrasting classes, classes that blend, defects and grade. Atlas attaches the sampling authority, sample and lot identifiers, inspection date, methods and actual factor results to the exact lot. A grade-table citation or supplier target is not an inspection certificate.
Codex’s generic pulse table does not cover mung beans
Codex CXS 171-1989 expressly excludes Phaseolus aureus, synonymous in that text with Vigna radiata, from the standard's generic bean scope. Its generic pulse moisture provisions therefore should not be copied onto mung beans as if Codex had set a mung-bean grade. Atlas keeps the USDA Mung Beans class table, destination food-safety rules, buyer specifications and actual lot evidence attributed to their own scopes rather than combining incompatible standards.
A U.S. grade or moisture result does not establish a delivered mung-bean price
An 18-percent grade ceiling, a U.S. No. 1 certificate or a clean-looking sample does not establish species identity, actual food-safety results, sprouting suitability, current availability, transaction value or delivered cost. A physical comparison still needs permitted current observations for the exact whole, split, dehulled, flour, planting or sprouting form; grade and test results; origin; crop and process dates; quantity; package; currency; Incoterm; destination; delivery window; route costs and information vintage. Atlas withholds a physical estimate when those observations or usage rights are missing.