Chia seed, Salvia polystachya, was analyzed as a source of oil, polysaccharide, and protein for possible use by the food industry. Seeds were found to contain 30% oil of which more than 90% was composed of triglycerides. The fatty acid composition of the oil was found to consist mostly of C16:0, ClS:O, C18:2 and C18:3. The protein content of chia seed was found to be 23.4%. A very viscous polysaccharide was isolated from the seeds. Acid hydrolysis followed by gas liquid chromatographic analysis demonstrated that xylose and arabinose were the major constituents of the polysaccharide. Seeds were found to contain niacin, riboflavin, and thiamin at a concentration of 83, 2 and 14 pg/g seed, respectively. Spectrochemical analysis showed the presence of eleven elements with calcium, potassium, and phosphorus being the most prominent. The percentage of unsaturated fatty acids, the concentration of protein and the viscosity of the polysaccharide in chia seeds would indicate that further research should be conducted to investigate possible food uses for these seeds.
Potato starch and flour were examined as possible constituents in frankfurter formulations. Frankfurters manufactured with 3% potato starch or 1.5% potato starch plus 1.5% potato flour in place of 3% wheat flour normally used as a binder, and stored at 4-5°C for 28 days did not differ significantly in percent shrink, water, protein, fat, ash or salt. Residual nitrite levels decreased during the storage period. Total plate counts reflect residual nitrite levels since the frankfurters (3% starch) with the lowest nitrite concentration also had the greatest number of bacteria (6.4 x 106/g) on day 28. Frankfurters formulated with 1.5% potato starch plus 1.5% potato flour were rated more tender and more juicy than those made with 3% potato starch (P90.05 and PGO.01) and 3% wheat flour (P< 0.01 and P
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