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u. S. Physicists Studying
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T7ae ultimate objective the paysArlsss
explain q estiet understanding al tiaa
AT az RfEa
a better understanding 81 all matter
Yeast culture fog human sna animal
food offers inviting possibilities sos snpscs-
Ina the nutrition e! a rapidly increasing
human population
II promises means by which indssstsele
wood and straw can be turned iuta pselstns
most essential ot foods
Progress of yeast culture throughout the
world-n stiii Is In It's infancy In the United
siAtes-ls described In survey 3us rs-
ported sy the Nutrition Foundation Ths
essential basis Is provided by German sx.
per1enes during thr IN which stor
progress MAS made slthoush the va2ur II
the products food remains sanaes tat
cehatasle
American members af the Allied Intel.
lisence Agency composed laGEey Of asleni.
lists which followed the army aeross tive
Rhine. found Yeast plants IN operation IN
SIX German cities which had capacities in
excess of IS 600 tors a wear Additional
plants we're under construction st TIE end
Of the war
The sugar for yeast growth vas obtained
from wood or from the waste from puip
mills. Considerable uss also vas besns made
o! straw
Toward the end Of the war. II il reported.
yeast had found widespread use as human
food IN Germany and the Scandinavian
countries. II ~as used. however. chiefly a. a
supplementary protein. and not ~ the main
source Of the nitrogen containing huildins
stones OF the body.
In the United States the chief concern has
been with stock feed Al the New namp.
shire Agricultural Experimen, station II wsa
found that the wood yeast vas nearly % per
cent digestihle and that there apparently
were no III effects II also has baen found
beneficial m an addition 20 q corn meal hog
diet, There was tendency. however. for The
pigs 10 develop ricketts, when kept In tie
dark
Cost OF manufacturing this yeast In ths
United States has been quite h.sh--approxl.
mately Is cents q pound This Ii far too
expensive for stock feed but the price doubt
less could be- greatly reduced by MAS pro-
duction methods.
Strains OF yeas, now are being sought
which will turn wood sugars into fat~prob-
ably the most diffieua 10 obtain of the ssaen-
tial items Of diet Several unnamed strains
are being tested which are said 10 be capable
OF producing as much as es per cent Of thslf
own dry weight ~ fat. utilizing about 20 pr
cent OF the sugar consumed