The changes in the metabolism due to the ingestion of boiled rice were also studied in one experiment in Middletown.

A. L. L., May 27, 1907 (652 Grams Rice, With A Fuel Value Of 432 Calories)

As shown in table 122, the carbon-dioxide production was increased in the first two periods only. Owing to defective technique, it was necessary to combine the results for the oxygen consumption in the second and third periods; practically no increment in this factor was noted. A slight increment in the heat production was found in the first period, but the subsequent results differed but little from the basal value. The respiratory quotients for the first 6 hours were 1 or over. While an increment in the carbon-dioxide production characteristic of carbohydrate metabolism is shown clearly in the first two periods, there was no indication in the results obtained for either the oxygen consumption or the heat production that the metabolism increased noticeably as a result of the ingestion of the rice.

Table 122. - 4. L. L., May 27, 1907. Sitting. (2-Hour Periods). Rice (Boiled)

Amount, 652 grams; nitrogen, 2.03 grams; total energy, 449 cals.

Fuel value: Total, 432 cals.; from protein, 12 p. ct.; from fat, 1 p. ct.; from carbohydrates, 87 p. ct. Nitrogen in urine, 0.71 gram per 2 hours. Basal values (May 4, 1907): CO2, 51 grams; O2, 43 grams; heat,1 158 cals.

1Heat eliminated corrected for change in body-weight, but not for change in body-temperature. 2Subject ate rice in 20 minutes.