protosteroid

ack protosteroid yaa adim vasaa ack lipid agradoot haye, jise baad kii jaiv rasayanik pratikriyaon key dauran parivartit kiya jaa sakata haye aur anta mein steroid bunn jaataa haye. protosteroids biomarker hain joe pracheen eukariotes dwara utpaadit hotey hain joe protosterol biota mein sookshmajeevon seey sambandhit hotey hain. mukut sterol anu banaate samay inn eukariotes dwara banaae gaye madhyavarti yaugik. 
pahali baar, german jaiv rasaayanvid aur nobel puraskar vijeta konrad emil bloach ney socha kii aaj key sterol key bajaay, pahale key jeevan roopon ney apani koshikaon mein rasayanik madhyavarti kaa upayog kiya hoga. unhone inn madhyavarti koo protosteroids kahaa. baad mein shodhkartaon ney protosteroids koo sanshleshit kiya jise lanosterol, cycloartinol aur 24-methylene cycloartinol kahaa jaataa haye. taba australiyai rashtriya vishvavidyalaya aur bremen vishvavidyalaya key shodhkartaon ney uttari australia mein barney khaadi key gathan mein 1.6 arab saal pahale bunny chattanon mein protosteroid paae. shodhkartaon ney aise vyutpann bhee paae joe 1.3-billion-year-old chattanon mein 24-methylene cycloartnol dwara utpaadit pattern seey mell khaate hain.

