## Abstract The percentage recovery of Vitamin __A__ in the unsaponiflable matters from commercial South African hake, soupfin shark, dogfish, kabeljou and geelbek liver oils has been determined for a large number of samples and characteristic values for each type of oil have been established. Hake
South African fish products. Part XXIII. Variations in the oil and vitaminA contents of the liver of the cape hake (Merluccius capensis, cast.)
โ Scribed by Roux, E. R. ;Molteno, C. J.
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1946
- Weight
- 426 KB
- Volume
- 65
- Category
- Article
- ISSN
- 0368-4075
No coin nor oath required. For personal study only.
โฆ Synopsis
Fnctory dntn collurtccl
st C ~I E Town nnd Port Eliznhtll nro risecl to ilonionetrnto riiriiitions in tho oil nnd vitnniin -4 contcnts of tho liver of tlir C n p hnkc. Zn nddition to acnsoiinl c1inngr.s mlntctl to tho sosiinl rvcle, tIicm nro ninrkcd hctnntions rmln renr to venr, probtibly conncctcil ivitli vnrintions in tho rood snppIy, wliich iiltinintdy nro roIdwiI to occnnogrnpIiir fnctom. siirh ns scn ton~pcmtnrcs. JIiIigmtory pliencnionn hnro nn ii~~~iortnnt h i r i n g on tho nvorngo sizo niiil pliyniologicnl ronclition of tho fie11 ninglit, nnd sizo of Bsli nlao ninrkcrlly inllnonws tho oil nnd vitnniin ' 1 contcnt of tlio livcrs.
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ought to fiud more use than hitherto in im?tIiltrp, and that it5 extraction by efficient modern methods might Iircornc n profitnhlc adjunct to the rubber producers. We thank thc Colonial Products Research Couiicil for permission to publish thc above results, and for a p a n t to one of US (E'.D,G.)
## Abstract A detailed quantitative study of the saponifiable and unsaponifiable fractions of the liver oils of the basking shark and the spiny shark has been made. The results are considered in the light of a previously postulated relationship^1^ between the amount and composition of the unsaponif