Dec. 37,1915 
Carbohydrate Transformations in Sweet Potatoes 
553 
Table IV .—Changes in the composition of sweet potatoes at 5 0 C. 
FIRST EXPERIMENT (FIRST PERIOD) 
No. of 
sweet 
potato. 
Moisture. 
Reducing 
sugar as 
glucose. 
Difference. 
Cane sugar. 
Difference. 
Starch. 
Difference. 
Per cent. 
Per cent. 
Per 
Per cent. 
33a... 
33b... 
74 - 22 
72 . 94 
0. 91 
2. 24 
} 1-33 
73 
\ 2.18 
} o -45 
18.53 
\ 16.64 
} -1-89 
34 a. . . 
72. 21 
I. 23 
> T- CV 7 
f 2. 14 
1 -35 
f 20. 29 
| — I. 82 
34b. .. 
72. 20 
2. 30 
j 
l 2.49 
j OD 
l 18.47 
35a... 
71. 28 
I. 27 
} ‘.80 
r 2.27 
} .38 
r 20.45 
} -i -°5 
35b... 
69. 22 
2. 07 
l 2-65 
l 19- 40 
36a. .. 
36b ... 
71.02 
70.71 
i -37 
2. 27 
| . 90 
f I. 98 
l 2. 77 
} • 79 
/ 20.92 
\ 19- ss 
} -i -37 
37a. . . 
73 - 99 
1. 40 
> T. OO 
f 2. 07 
| • 40 
/ T 7 - 65 
| — I. 06 
37b... 
72. 82 
2. 40 
J 
1 2. 47 
l 16- 59 
38a. .. 
74 - 52 
1. 01 
1 .71 
( 2. l8 
} .56 
f 17 - 42 
1 
M 
H 
O 
38b... 
72. 35 
1. 72 
J 7 
l 2. 74 
\ l6. 26 
FIRST EXPERIMENT (SECOND PERIOD) 
39a. . . 
39 b••• 
72. 76 
70 . 71 
i- 93 
i- 59 
} -o- 34 
r 2.62 
l 4.51 
} 'i- 89 
r 18.00 
l 16.48 
} - 1-52 
40a. . . 
73*46 
2. 19 
1 - .21 
r 2.88 
| 1.62 
r 16.94 
} -1.42 
40b . . . 
72.40 
1. 98 
J 
l 4.50 
l 15- 52 
4ia. . . 
73 - 74 
2. 17 
} 
f 3- 06 
| 1.66 
f 16. 69 
} -1-65 
4lb . . . 
72.37 
2. 05 
l 4 - 72 
l 15-04 
42a. . . 
72 . 59 
1. 79 
1 - n 
/ 3- 18 
^ 1. 16 
r 17.76 
> — no 
42b . . . 
70. 86 
1. 66 
J ' 3 
l 4-34 
\ 16.86 
r • y u 
43 a .. . 
43b. . . 
74 . 52 
73 - 77 
2. 18 
1. 86 
} - -32 
j 2.65 
l 4.54 
} i- 89 
( 15*82 
l 14.37 
} - 1-45 
44a. . . 
44 b. . . 
73 * 35 
72. 24 
1. 79 
1. 61 
} -' l8 
/ 3 - 19 
l 5 - 14 
} i -95 
J i 7 - 23 
\ 15- 06 
} -2. 17 
SECOND EXPERIMENT (FIRST PERIOD) 
82a. 
82b... 
70.99 
72. 61 
0. 53 
2. 74 
| 2.21 
( 2.03 
l i- 9 1 
1 —0.12 ■ 
r 21.26 
\ 19.22 
} ~2- 04 
83a... 
83b... 
76. 07 
75- 93 
1.14 
2.18 
| 1.04 
r 2.06 
\ 2.02 
1 - .04 
r 16.41 
l 14- 78 
} -1-63 
84a.. . 
84b... 
72.38 
72- 5 1 
.78 
1. 80 
j- 1.02 
/ 2.25 
l 2.73 
1 • 48 - 
/ 20- 37 
\ 18.62 
} -i-75 
85a... 
85b... 
73-49 
72. 53 
•7i 
1. 79 
| 1.08 
r 2.08 
\ 2.29 
1 .21 
( 19- 37 
\ 18. 14 
} - £ -23 
86a.. . 
86b, .. 
73-47 
72.11 
. 82 
1. 88 
| 1.06 
/ 2.52 
\ 2.80 
1 .28 
/ 18.94 
l 17-69 
} -i-25 
87a. . . 
87b. .. 
73-99 
72.87 
.86 
2.25 
} I - 39 
f 1.61 
l i - 95 
} .34 
/ i9- 25 
l J 7- S 8 
} -1-67 
