LuangPrabangProvinceislocatedwithinthearearecognizedasthecenterofrice(OryzasativaL.)persityinLaoPDR.Thisstudyreportedongrainqualitycharacteristicsof60uplandriceseedsamplessharing49varietynamescollectedfrom6villagesinLuangPrabangin2015.Mostofthesampleshasnon-pigmentedpericarp,whileredpericarpwasfoundinfoursamplesandpurpleinfivesamples.Almostallofthesampleswereoflargegraintype,withglutinousendospermin70%andnon-glutinousendospermin30%.Thebrown(unpolished)ricewasfoundwithawiderangeofgrainnutritionalquality,includingprotein(9.2%±0.9%),Fe(15.9±6.9mg/kg),Zn(19.6±2.1mg/kg),anthocyanin(0.774±0.880mg/g),andanti-oxidativecapacity(2.071±1.373mg/g).Thevarietiessharingsimilarnameshadsimilarmorphologicalcharacteristicsbutvariedinnutritionalconcentration,withrequiredconfirmationingeneticvariationanalysis.Thisstudyfoundthatsomericevarietieswithhighgrainqualitymaybenefitthefarmersdirectlyorcouldbeusedinvarietalimprovementprograms.
