c orn ", ▁and ▁it ▁is ▁cred ited ▁for ▁l ending ▁this ▁od or ▁to ▁the ▁sc ent ▁of ▁b int ur ong ▁( b ear cat ) ▁ur ine . ▁F resh ▁mark ing ▁fluid ▁( M F ) ▁and ▁ur ine ▁of ▁the ▁t iger ▁( Ind ian , ▁Am ur ▁or ▁Si ber ian ) ▁and ▁Indian ▁le op ard ▁also ▁have ▁a ▁strong ▁a rom a ▁due ▁to ▁ 2 AP . ▁▁ 2 AP ▁and ▁its ▁struct ural ▁hom olog , ▁ 6 - ac et yl - 2 , 3 , 4 , 5 - t et rah yd ropy rid ine ▁of ▁similar ▁sm ell , ▁can ▁be ▁formed ▁by ▁Ma ill ard ▁re actions ▁during ▁he ating ▁of ▁food ▁such ▁as ▁the ▁b aking ▁of ▁bread ▁d ough . ▁Both ▁comp ounds ▁have ▁od or ▁th resh olds ▁below ▁ 0 . 0 6 ▁ng / l . ▁ ▁Str ucture ▁and ▁properties ▁▁ 2 AP ▁is ▁a ▁subst it uted ▁p yr ro line ▁and ▁a ▁cy clic ▁im ine ▁as ▁well ▁as ▁a ▁k et one . ▁ ▁References ▁▁ ▁Category : F lav ors ▁Category : K et ones ▁Category : I min es ▁Category : P yr rol ines <0x0A> </s> ▁Nothing ▁Valley ▁is ▁the ▁debut ▁studio ▁album ▁by ▁American ▁band ▁Mel k bel ly . ▁It ▁was ▁released ▁on ▁October ▁ 1 3 , ▁ 2 0 1 7 ▁through ▁W ax ▁N ine ▁Records , ▁a ▁subs idi ary