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by means of the right use of pounut al it is possible to provide foods supplying iron, nicotinic acid (riboflavin?) and thiania to prevent diseases caused by a deficiency of these items. The oil presently the biscuit contains unsaturated fatty acids necessary for/metabolism and is a rich source of phytosterols, precursors of vitamin D. The thin skin surrounding the peanut la, to the best of my balier, though the fact is not universally appreciated, the riche et natural source of thiamin.
9.
Another activity of the hod
of the "hod ́epart:
epartment was the establishment of a melt fish reseTV®. e aimed at 1,000 tons and had successfully salted approximatel; 600 tons in enɔrmous wooden kongs (vate) when hostilities commenced. alt fish provides animal protein and alt. In my opinion it is nat the ideal way to utilise Tish but it was the only method possible at such short notice. etter methods include earning and the preparation of dried fish wal. I first saw righ: œ al. manufactured an a large scale in Aberdeen, Scotland, and was struck
by its potentialities as a human food for natives in areas deficient in foods rich ia high grade proteins. I maggested that some sealed tina should sent to yacaland for experimental work.
be
Fish meal could be manufactured in Tong Yong a very large somle
ongry hy the fishermen'a ɑ-operative recently established.
It would take a little time to get the Chinese accustomed to this new food but as it can be packed and sealed in tins it can be exported in perfect condition into the interior of China where it should find a ready sale. It could there te re-processed and flavoured as desired.
The use of skim milk powder to provide protein of high biological value is probably impracticable in Hong Kong because of expense but I see no reason why dried fish meal should not be. uned. It would provide, in addition to protein, calcium and phosphorous, because the bones of the fish are included in the meal.
Shortly prior to the war, I heard that Dr. Tiadall had incorporated bone real in a biscuit for human consumption.
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In tanley Internment Camp after a little experimentation wo wasted nothing. hen we had moat we pressure cooked the bones, ground them and nerved them as a paste or spread. here frightfully Tony and rather putrid salt fish (mostly anchovies) were provided m ve pressure-cooke" the lot. nly the eyeballs which, hardened into small bullets then proved inedible. Animal bre méal and fish bona peal could be incorporated with foods to provide calcium, phosphorus and possibly other valuable substances.
we experimented with pine needle ton (after asking the advice of Dr. Tisdall) and found that 10-15 minutes boiling of chopped pine needles extracted 50 of the vitamin C in a palatable form. Pine needles are richer in C than oranges.
Tomatoes can be grow with great care in Hong Kong, so also can sweet peppers and capa gooseberries, #11 excellent sources of vitamins not only of 0.
e carried out a series of experiments with the ils extracted from the livers of various fish and found that it was practicable to extract the 11 from the livers of sharks and that it was rich in vitamin A (no biolɔgical assays for ʼn could be attempted). The used this oil throughout our intemment and realise its value used therapeutically and prophyletically. used in sintments with mexpected success.
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