The mixed unsaturated glycerides of liqud fats. IV. Low-temperature crystallisation of whale oil

✍ Scribed by Hilditch, T. P. ;Maddison, L.

• Book ID: 102887418
• Publisher: Wiley (John Wiley & Sons)
• Year: 1942
• Weight: 588 KB
• Volume: 61
• Category: Article
• ISSN: 0368-4075
• DOI: 10.1002/jctb.5000611102

✦ Synopsis

Tliu romporient glycerides in R slmcirnen of Antarctic \vhnlo oil hnvo h e n investiguted by apurnting tho oil, by cryatullimtion from ucctono containing wliil cnrbon diosido nt -loo. -?On, und -W, into four frnotirrns of dilfcring solubility nnd composition, nnd ilutornrining the component acids prcwnt in each frnction. No nppronch to coinplcto acpnrntion of nny individuul glycerido wnn, of C O I I ~~U , nrliiovetl. hut tlio chief types l ~m a n t W N found to bc ns followi : " oleo ".mturiitcd.ur~Hotemtcd (C,,, CI,, CIo, Ca:) ylyceridcd, U0 ; oleo-~nyriatiipnlniitins, 8 ; enturnted.di." olainn," u ; tri-itnanturrhl (C,,, C,,, Ca!) glyccridee, 4% (mol.). Ono unmturntctl C,, ncitl group per triglyccridu rnoleculo oecurml in 80y6 of 1110 triglywridus Immnt in tliu oil, whilst two of tlicso grou )s W O N Imsont in P furthur 8% of tho oil. About half of tho oil contuinctf no' ncid Iiighor tlinn tho C1, wries, and nhout onu third contnincd olio group p r triglywrido nioleculo of tho highly ununturnbd C,, or C,, ncids. Grtnin modifirntions nm suggested in tho prdirninury wpnrntion of tho nciih of wlinlc (or fish) oil prior to unnlyeis by eator.frnrtionotion, " oleo "-diuiisnturntcd (el,, C,,, C2,, C&) glyc+ritleH, 12 ; m 3