| Show MAKE APPEAL TO APPETITE food materials which are ara of little real value have distinct place on table not all food materials are said to be in proportion to the appeal which they make to the appetite for example the flavor substances in foods which stimulate the olfactory factory ul and gustatory nerves and thus give rise to appetite are not ordinarily the substances on which the body depends for its fuel nor for the great hulk bulk of its building materials the latter materials proteins fats or oils and carbohydrates bo when chemically pure have little or no taste or smell the preference for thin and crisp rather than greasy bacon Is given as an illustration in a recent experiment it was found that of the calories which represent the fuel value of a very thin 20 gm three fourths ounce slice only nine calo calories calones nes remained when the slice was sent to the table calories being represented by the tat fat which welch filed out into the pan in this case a considerable amount of flavor body also goes into the fat yet most persons would not consider eating it unless it has been skillfully blended with large quantities of other folds whereas the scrap of skeleton tissue which has lost 93 per cent of its food value Is regarded as a dainty morsel |