Table 4. Composition of pure pig gastric and small intestinal glycoprotein together with the expected composition of glycoprotein in the ethanol precipitate (of the 14,500 RCF digesta supernatant fraction) found in the present study.
| Dry weight composition (%)1 | Expected composition of ethanol precipitate (%)2 | |||
|---|---|---|---|---|
| Constituent | Gastric | Small intestinal | Dry | Wet |
| Carbohydrate | 82.9 | 77.5 | 81.6 | 71.8 |
| Protein | 13.2 | 19.6 | 15.3 | 13.5 |
| Ester sulphate | 3.2 | 2.8 | 3.1 | 2.7 |
| Water | – | – | – | 123 |
| Total | 99.3 | 99.9 | 100 | 100 |
1Taken from Allen et al., (20).
2Calculated using the estimated ratio of gastric and small intestinal mucin (2.05:1) present in the digesta from data from a previous study (Miner-Williams et al., 2008).
3Calculated using data from (38;39).