This section is from the book "Practical Cooking And Serving", by Janet McKenzie Hill. Also available from Amazon: Practical Cooking and Serving: A Complete Manual of How to Select, Prepare, and Serve Food [1919].
The pineapple is the only fruit that is known materially to aid digestion. The pineapple contains a principle, vegetable pepsin, that digests albuminous substances. When fresh juice of the fruit is combined in dishes with milk, eggs or gelatine, the digestive process is at once inaugurated and a bitter-tasting dish results. Scalding the juice destroys this digestive principle, and should be observed when the juice is to be combined with such substances.
But to get the full benefit of the digestive principle, as also the antiseptic and germicidal properties of the pineapple juice, the fruit needs be eaten fresh and without sugar. Thus taken its beneficial effects can scarcely be overestimated. It is particularly useful in all catarrhal conditions of the throat and alimentary tract, and is almost a specific in malarial troubles. The woody fibre in a perfectly ripe pineapple has become softened in the ripening process, but when this condition has not been reached the juice only should be ingested.
Remove the tough outer surface of the pineapple, then with a silver fork, following the lines made by the bracts, cut around the single fruits and remove them, one by one, from the hard centre. Sprinkle with sugar, if desired. Serve at breakfast or luncheon.
Cut off the top of a large pineapple. Pare away the base so that it may stand upright and firm on the plate. With knife and strong spoon scoop out the pulp of the apple and separate the same from the hard centre. Peel about four sweet oranges, slice lengthwise and remove the seeds; mix the juice and pulp of the oranges and pineapple with sugar to taste; put in a fruit jar with a close-fitting cover and pack in three measures of ice to one of salt; let stand an hour or more. When ready to serve turn the mixture into the chilled shell of the pineapple and garnish the base with leaves of the crown. Pineapple alone, when a second one will be required, strawberries, bananas, or peaches may be used in the place of the oranges. Half a cup of orange, less of lemon juice, is an improvement, when bananas are used. If bananas are not used, half a cup or more of Jamaica rum is considered an improvement by many. It is not safe to use any sort of spirits with uncooked bananas.
 
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