On food and cooking the science and lore of the kitchen ( PDFDrive ) 32
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humansontheplanetcan’tdigestthemilk
sugarcalledlactose,thatthebestrouteto
calciumbalancemaynotbemassivemilk
intake.Thesecomplicationshelpremindus
thatmilkwasdesignedtobeafoodforthe
youngandrapidlygrowingcalf,notforthe
youngormaturehuman.
MilkNutrients
Nearlyallmilkscontainthesamebatteryof
nutrients,therelativeproportionsofwhich
varygreatlyfromspeciestospecies.
Generally,animalsthatgrowrapidlyarefed
withmilkhighinproteinandminerals.Acalf
doublesitsweightatbirthin50days,ahuman
infantin100;sureenough,cow’smilk
containsmorethandoubletheproteinand
mineralsofmother’smilk.Ofthemajor
nutrients,ruminantmilkisseriouslylacking
onlyinironandinvitaminC.Thankstothe
rumenmicrobes,whichconvertthe
unsaturatedfattyacidsofgrassandgraininto
saturatedfattyacids,themilkfatofruminant
animalsisthemosthighlysaturatedofour
commonfoods.Onlycoconutoilbeatsit.
Saturatedfatdoesraisebloodcholesterol
levels,andhighbloodcholesterolis
associatedwithanincreasedriskofheart
disease;buttheotherfoodsinabalanceddiet
cancompensateforthisdisadvantage(p.253).
Theboxbelowshowsthenutrientcontents
ofbothfamiliarandunfamiliarmilks.These
figuresareonlyaroughguide,asthe
breakdownbybreedindicates;there’salso
muchvariationfromanimaltoanimal,andin
agivenanimal’smilkasitslactationperiod
progresses.
TheCompositionsofVariousMilks
The figures in the following table are the
percentofthemilk’sweightaccountedfor
byitsmajorcomponents.
