12 BULLETIN 773, U. S. DEPARTMENT OF AGRICULTURE. 
Table 4. — Approximate composition of commercial Loganberry products. 
Sample 
No. 
104 
105 
106 
109 
110 
115 
118 
121 
122 
123 
124 
125 
1376 
1377 
20335-L 
20337-L 
20339-L 
Description from label. 
Loganberry juice with sugar 
Loganberry sirup 
Loganberry juice, -with sugar and water 
Loganberry juice with sugar 
Loganberry juice with cane sugar and water added 
Logan juice, a beverage ready to drink 
Logan juice concentrated 
40-60 Loganberry beverage 
Pure Loganberry juice, sugar added 
Loganberry juice, sirup added 
Loganberry juice beverage 
Loganberry juice, sugar added 
Loganberry juice 
Concentrated Loganberry juice sirup 
Loganberry juice with sugar 
Loganberry juice with sugar. 
Loganberry juice, diluted and sugared beverage. . . 
Composition. 
Parts 
juice. 
Parts 
sugar. 
Parts 
water, 
DISCUSSION OF RESULTS OF ANALYSES. 
The juices from berries grown in Washington and Oregon differ 
markedly in composition from those from fruit produced in Cali- 
fornia. There is also a very large variation in the composition 
of juices from fruit grown in the various parts of these States. This 
probably is due to the fact that in the northern section the berries 
are grown under heavy rainfall, whereas the land in California usually 
is irrigated. Apparently California juices have a somewhat higher 
ash content and a lower acid content than the juices from the more 
northern States. Observations extending over several seasons would, 
of course, be necessary to confirm this apparent difference. 
It would seem impossible to determine exactly the amount of 
added water present in Logan blackberry juice. Its presence can be 
detected, however, and the amount roughly approximated. Table 5 
gives the tentative limits suggested for the most significant determi- 
nations of Logan blackberry products. The nonsugar solids are cal- 
culated from the solids in vacuum. 
Table 5. — Tentative limits for Logan blackberry juices. 
Nonsugar solids. 
Ash. 
Acids, as citric. 
Source. 
Max- 
imum. 
Min- 
imum. 
Max- 
imum. 
Min- 
imum. 
Max- 
imum. 
Min- 
imum. 
Per cent. 
3.92 
3.74 
Per cent. 
2.80 
3.06 
Per cent. 
0.43 
.63 
Per cent. 
0.25 
.43 
Per cent. 
2.33 
1.96 
Per cent. 
1.42 
1.06 
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