34 



CHEMICAL COMPOSITION OF SOME TROPICAL FRUITS. 



Table XI. — Composiuion of fresh pineapples — Continued. 



Lab- 

 ora. 

 tory 

 No. 



Variety. 



Jamaica: 



Unknown. 



Solids. 



T. tal. 



Insol- 

 uble. 



Ash. 



Total. 



Alka- 

 llinity 



aspo- 

 I tas- 



Peret. Perct. 

 a 9. 23 1.48 



Average of J 

 allsamplesi 14.17 



Maximum . . 

 Minimum .. 



18.86 

 10.78 



1.52 

 1.83 

 1.02 



sium 

 car- 

 bon- 

 ate. 



Perct. Perct. 

 .410 .410 



.548 

 .272 



.370 

 .596 

 .223 



Acids 

 as 

 sul- 

 phu- 

 ric. 



Perct. 



.847 

 .300 



Pro- 

 tein 

 (Nx 

 6.25). 



Perct 

 .475 



.420 

 .569 

 .206 



Sugars. 



Re- 

 duc- 

 ing. 



Su- 

 crose 



Total 

 as in- 

 vert. 



Perct. Perct. 

 al.28 a4.67 



3.91 

 9.75 

 1.76 



7.59 

 10.48 

 2.98 



Perct 

 a6.19 



11.90 

 15.28 

 8.20 



Polarizations. 



Di- 

 rect. 



°r. 



3.55 



In- 

 vert. 



Tem- 

 pera- 

 ture. 



-2.5S 



°c. 



23.4 



Table XII. — Composition of canned pineapples put up under direction of consuls-general 



at Singapore and Xassau. 



PRESERVED IX NATURAL JUICE WITHOUT ADDITION OF CANE SUGAR. 





Solids. 



Ash. 



Acids 

 as 

 sul- 

 phu- 

 ric. 



Pro- 

 tein 



(N X 

 6.25). 



Sugars. 



Polarizations. 



Source and labora- 

 tory No. 



Total. 



Insol- 

 uble. 



Total. 



Alka- 

 linity 

 as po- 

 tas- 

 sium 

 car- 

 bon- 

 ate. 



Re- 

 duc- 

 ing. 



Su- 

 crose. 



Total 

 as in- 

 vert. 



Di- 

 rect. 



In- 



vert. 



Tem- 

 pera- 

 ture. 



Singapore: 



1103 



1104 



1105 



1106 



1107 



1108 



1109 



1111 



1112 



Per ct. 



14 34 



14.26 

 14.41 

 13.48 

 17.44 

 13.10 

 10.96 

 11.70 

 11.28 



Perct. 



1.18 

 1.31 

 1.20 

 1.15 

 1.44 

 1.34 

 1.16 

 1.62 

 .87 



Perct. 



0.447 

 .357 

 .474 

 .476 

 .434 

 .309 

 .242 

 .333 

 .330 



Perct. 



0.312 



.295 

 .338 

 .329 

 .352 

 .2-57 

 .214 

 .301 

 .2-33 

 .308 



Per ct. 



0.450 

 .466 

 .472 

 .490 

 .436 

 .450 

 .250 

 .333 

 .294 

 .299 



Perct. 



0.566 

 .562 

 .438 

 .481 

 .488 

 .506 

 .500 

 .412 

 .411 

 .356 



Perct. 



8.92 

 9. 54 



10.96 

 9.56 



10.56 

 7.41 

 5.84 

 7. 53 



Perct. 



3.28 

 3.34 

 1.S5 

 2.44 

 4.11 

 4.20 

 3. 85 

 2.08 



Perct. 



12.38 



13.06 



12. 91 



12. 13 



14.89 



11.86 



9.90 



9.72 



9.83 



10.64 



C U. 



0.90 



.90 



-1.10 



0.00 

 1.60 

 2.30 



.30 

 1. 10 

 1.60 



°U. 



-3.30 



x. 52 

 -3.52 



_ 



-3.80 



-3. 20 



-2.65 



2.50 



2.60 



- - 



°C. 



23.0 

 23.0 

 23.0 

 23.0 

 21.4 

 24.4 

 24.4 

 J 1.4 

 24 1 

 24. 1 



1113 



6.59 j 6. uu 

 7.30 3.17 





12. 9o JL.B3 .6V1 



Average.^... 



13.39 1.31 .379 



.300 



.389 



.475 



8. 42 3. 13 



11.73 









Nassau: 



1013 



1014 















10.00 

 16. 35 



1.07 

 2.18 



. 257 

 .563 



.300 

 .663 



.443 



.711 



.250 

 .456 



5. 1 1 2. 96 



<:.-l^ 6.61 



13.16 



1.65 



-2.09 

 -3.68 



26. 

 26.0 



Average 



13. IS 



1 63 



410 



.482 



. 577 



.403 



5.S2 4 Tst 



10.86 



















1'KESKRVEI) IN NATURAL JUICE WITH ADDITION OF CANE SUGAR. 



Singapore: 



mi 



18.07 

 18.48 

 18. 15 

 18.61 

 19.11 

 16.61 



1.02 

 1.38 

 1.60 

 2.06 

 1.25 

 1.33 



0.370 

 . 267 

 (60 

 .505 

 . 150 

 .334 



0.286 

 .164 



.329 

 .336 



.234 



0.378 

 .202 

 .260 



. 28 1 



. 117 



(i. 112 

 .350 

 .400 

 . 156 

 . 150 

 . 875 



11.93 

 12.68 

 7. 5] 

 9.02 

 15.39 

 13.28 



L.63 



488 



2. 11 



16.70 

 17.82 

 16.80 

 17.26 

 17.93 

 it.'.-.; 



1 . 50 

 1 . 55 

 7.00 



1.65 

 .20 



1.60 

 1.7". 

 L30 

 1.60 

 1.80 

 L25 



24. 1 



1115 



24 1 



1116 



24.4 



hit 



24. 1 



111R 



24 1 



11]<) 



24. 1 











Average 



1^17 i I' 



. 398 



.280 



.320 



. 1H7 



1 1 63 •"> i i 



17. U 















-I Net included in i 



