110 The Philippine Journal of Science 



Table VI. — Description of two varieties of pili nuts. 



1U16 



Lonsr. 



I CantL- 

 Short. I rium lu- 

 tonieum. • 



Lengrth cm. .6 - 6.75 i4.B - 6 



Greatest width of trianirular crOBS section do.. .2.25- 2.5 !2.25- 2.6 



Average weitclit of nuta srami..! 8.67 9.44 



Shell . per cent. 



Kernel '. do.. 



Fat do.. 



8L13 

 18.87 

 14. (j3 



t^l.71 

 18.29 

 13.27 



•>4.5-6 



9.80 



■ Bolton and Jesson, )oc. cit. 



'•The nutK di'scrilx'd here are (loul>tlei>i> from C'anari'uni iiachyiihi/Uum and not Canarium 

 luzonicuiii. The iiuts of the latter are nnuch smaller and are not available in any quantity. 



The composition of the kernels is given in Table VII. 

 Table VII, — Composifion of the kernels of pili nuts. 



■ -■ , — — _ 



Moisture 



Fat 



Protein (N X 6.25) 



Sucrose 



Reducing suerars 



Starch (by difference) 



Crude fiber 



Ash 



Lons. 



Percent. 



2.79 



74.89 



12.06 



0.45 

 4.83 

 2.16 

 2.97 



Short. 



Cana- 

 rium 

 /uzont- 

 cum.* 



Per cent. 

 2.90 

 72.53 

 1L88 

 0.66 

 LS6 

 S.U 

 2.42 

 3.15 



72.20 



Bolton and Jesson, loc. cit. 



The oil is bland, sweet, and suitable for salad and other culinary 

 purposes; however, two objectionable features prevent its be- 

 coming an important article of commerce: namely, the high 

 percentage and hardness of the shell. Table Mil gives the con- 

 stants found for the pure dry oil. 



Table VIII. — Chemical constants of pili oil. 







Long. 



Short. 



Cana- 

 rium lu- 











zonxcum.* 



Specific gravity at 30^ C 



1 



t 



0.9067 

 51-54.2 



0.9067 

 54-54.2 





Butyro refractometer reading at 30°C 





b48.6 



Iodine value (Hanus) 





61.25 



59.61 



57.10 



Reichcrt-Meissl value 



1 



3.3 

 192.6 

 7.62 



2.2 



186.8 

 8.84 





Saponification number 



1 



197.0 

 1.44 



Free fatty acids (oleic) _ 



per cent-.; 



Acid value 



..cc. N/lONaOH..; 



2.70 



3.13 











" Bolton and .Icj^son. li»c. cit. 



"At 40» 



C. 





