Analytical Constants of Common Fats
|
Fat |
Melting Point (C.) |
Saponification Number (mg KOH/g fat) |
Iodine Number (g iodine/100 g fat) |
|
Beef tallow |
40-48 |
190-199 |
45-55 |
|
Butter |
28-35 |
233-240 |
25-42 |
|
Castor |
-12 to -10 |
176-187 |
81-91 |
|
Coconut |
23-26 |
250-264 |
7.5-10.5 |
|
Corn |
-12 to -10 |
187-193 |
103-128 |
|
Cottonseed |
-2 to +2 |
189-198 |
99-113 |
|
Herring |
- |
179-194 |
123-142 |
|
Jojoba |
7 |
92 |
82 |
|
Lard |
33-46 |
190-202 |
53-77 |
|
Linseed |
-20 |
188-196 |
155-205 |
|
Menhaden |
- |
189-193 |
140-180 |
|
Mutton tallow |
44-51 |
192-197 |
35-46 |
|
Neatsfoot |
-4 |
190-199 |
69-76 |
|
Olive |
-3 to 0 |
188-196 |
80-88 |
|
Palm |
27-50 |
195-205 |
44-54 |
|
Peanut |
-2 |
188-195 |
84-100 |
|
Safflower |
-18 to -13 |
188-194 |
140-150 |
|
Salmon |
- |
183-186 |
130-160 |
|
Sardine |
- |
189-193 |
170-193 |
|
Sesame |
-4 to 0 |
188-195 |
103-116 |
|
Soybean |
-23 to -20 |
189-195 |
120-141 |
|
Tung |
4 |
189-195 |
160-175 |
|
Wheat germ |
- |
179-190 |
115-129 |
Adapted from chart "Composition and Constants of Fatty Acids," published by Archer Daniels Midland Co., Minneapolis, Minn. Modified from Clark and Switzer, Experimental Biochemistry, 2nd Ed. W.H. Freeman & Co., 1977