84 
STUDIES ON APPLES. ; a 
Taste VII.—Tabular résumé of the 
Name. 
Uberpectic 
acid. 
Pectose 
Parapectin 
Metapectin 
Parapectic acid 
Pectosic acid ..|.. 
. Metapecticacid 
Do 
Metapecticacid 
(arabic acid). 
Pararabin 
Author. Date 
Chodnew.-....-.--- 1844 
Bremniviess sean 1§47 
Bee he COM See ees S| LSAT, 
Baa ee CO ee 1847 
eat CO ee Sas, 
See Ona ees | 1847 
Ghodnewenss- 5. 1844 
WR ON faunas 1859 
Scheibler......--- 1868 
Reichardt ---- == 1875 
~l 
i 
Source. Preparation. 
Beet marGeesese ee Beet marc, after exhausting 
with dilute hydrochloric 
acid, was treated with al- 
Kali. 
Plant:tisSues>: 22.555 | Se eee 
Pectin == ee Boiling with water ......... 
ees do -...-.----------| Boiling with dilute acid -.-- 
Pace (Oe soses | Prolonged _ boiling with 
acids. 
Spe €02352- 5255-52222 -| breatnents.with she owen— 
zym pectase. 
Eee GO 223222 -26-25--e| Bollingawith al kel aes 
Beetimarers sos seere Boiling with milk of lime.. 
peas do ..-.....-....-.:| Heated with potassium hy- 
droxid, filtered, acidun- 
lated, and precipitated 
with alcohol. 
| | Carrots scowle alstsceca cs | eee ae See Se eee ee 
