Cov qauv kev lag luam rau cov roj tseem ceeb feem ntau ua haujlwm los tswj lawv qhov zoo, kev nyab xeeb, thiab purity, kom ntseeg tau tias cov khoom lag luam nyob hauv kev lag luam muaj traceability thiab sib xws. Tam sim no, tsis muaj ib qho kev sib koom ua ke thoob ntiaj teb tus qauv; Txawm li cas los xij, cov qauv tsim los ntawm ntau lub koom haum hauv cheeb tsam lossis kev lag luam tau txais kev pom zoo- piv txwv suav nrog Fabkis cov qauv AFNOR, cov lus qhia cuam tshuam los ntawm International Organization for Standardization (ISO), thiab cov kev cai uas tau teev tseg hauv lub teb chaws pharmacopoeias lossis cov cai tswj xyuas kom zoo nkauj. Cov qauv no feem ntau tau qhia meej meej txog lub hauv paus, txoj kev rho tawm, thiab lub cev tsis zoo ntawm cov roj yam tseem ceeb.
Nyob rau hauv cov nqe lus ntawm kev soj ntsuam zoo, kev lag luam feem ntau ntiav Gas Chromatography-Mass Spectrometry (GC-MS) tsom xam los txiav txim qhov feem ntawm cov tshuaj muaj nyob rau hauv ib tug tseem ceeb roj, yog li ntsuam xyuas nws authenticity thiab nrhiav tau tej yam muaj peev xwm deev luag poj luag txiv los yog dilution. Cov qauv feem ntau tsom rau qhov tseem ceeb xws li cov ntsiab lus ntawm cov khoom xyaw tseem ceeb, lub ntiajteb txawj nqus tshwj xeeb, qhov ntsuas tsis pom kev, kev hloov kho qhov muag, thiab solubility. Los ntawm kev txheeb xyuas cov ntaub ntawv no, ib tus tuaj yeem ntsuas qhov tseeb thiab qib zoo ntawm cov roj yam tseem ceeb.
Hais txog kev nyab xeeb thiab kev sau npe cov cai, cov khoom siv roj tseem ceeb feem ntau xav tau cov ntawv qhia meej ntawm lub npe botanical (Latin scientific name), lub teb chaws ntawm keeb kwm, cog ib feem siv rau extraction, extraction method, thiab kev ceev faj siv. Tsis tas li ntawd, qee lub tebchaws tau tswj hwm kev ua raws li cov cai tswj xyuas cov tshuaj pleev ib ce lossis cov khoom muaj ntxhiab tsw zoo nkauj- xws li European Union txoj cai REACH lossis cov lus qhia cuam tshuam los ntawm US Food and Drug Administration (FDA).