Summary and Conclusions
Fresh French-fry cuts and potato chip slices may be stored for 14 to 16 days at33 F and 40 F. Using a 0.048M NaHSO3 dip plus a saturated H2CO3 dip for two minutes delays the browning reaction. With the use of this treatment, the accumulation of reducing sugars at low temperature is delayed. Thirty-pound polyethylene bags were used to simulate commercial practices.
Cool’ng the dipping solution aids in retaining the H2CO3 solution near pH 5.0–5.2. The pH of the dip solution is rapidly determined with indicator paper and additional CO2 may be bubbled into the solution to maintain this pH. The use of dry ice had the same beneficial results.
Fresh potato slices held 16 days at 33 F did not increase in brown discoloration when fried. There was no off-flavor or odor and the slices had not lost their turgidity prior to frying. The containers should remain sealed at least two days, and after this, beneficial results are still obtained. The recommended treatments result in an increase in shelf life without intensifying color from low temperature storage.
Similar content being viewed by others
Literature Cited
Amla, B. L., and F. J. Francis. 1961. Effects of pH of dipping solutions on the quality of pre-peeled potatoes. Am. Potato J. 38: 121–131.
Amla, B. L., and F. J. Francis. 1959. Phytic acid treatments for pre-peeled potatoes. Am. Potato J. 36:204–211.
Anderson, E. E., W. B. Esselen, and C. R. Fellers. 1954. Factors affecting the quality of pre-peeled potatoes. Food Tech. 8: 569–573.
Anderson, E. E., and C. Zapsalis. 1957. Technique ups quality, shelf-life of prepeeled potatoes. Food Eng. 29: 114–116.
Anderson, R. E. 1959. Shelf life of raw French-fry potato strips in consumer bags. Am. Potato J. 36: 404–406.
Ceponis, M. J., and B. A. Friedman. 1957. Temperature and shelf-life studies with pre-peeled potatoes. Am. Potato J. 34:333–341.
Davis, C. O., and Ora Smith. 1962. Potato Quality XVII. Objective measurement of potato chip color. Potato Chipper 21: 72–76.
Dubois, C. W. 1949. Ascorbic acid and color in food products. Food Tech. 3:119.
Ewell, E. W. 1936. A process for preventing discoloration in fruits and vegetables. U. S. Patent 2,028,970.
Feustel, I. C., and W. O. Harrington. 1957. Potato pre-peeling. Am. Potato J. 34:51–55.
Francis, F. J., and B. L. Amla. 1961. Effect of residual sulphur dioxide on the quality of pre-peeled potatoes. Am. Potato J. 38: 89–94.
Furlong, C. R. 1961. Preservation of peeled potato. II. Uptake of sulphite by peeled and chipped potato treated with sodium metabisulfite. J. Sci. Food Agric. 12: 49–53.
Greig, W. S., and Ora Smith. 1960. Factors affecting quality and storage life of pre-peeled potatoes and quality of French-fries. Cornell Univ. Agr. Expt. Sta. Memoir 370.
Mapson, L. W., and H. G. Wager. 1961. Preservation of peeled potato. I. Use of sulphite and its effect on the thiamine content. J. Sci. Food Agric. 12: 43–49.
Matarazzo, R. F. 1947. Technique for processing pre-peeled potatoes. U. S. Patent 2,420,322.
Mullins, W. R., R. L. Olson, and R. H. Treadway. 1953. Control of discoloration of peeled white potatoes and methods for analysis of treating solutions. U. S. Dept. Agr. AIC-360, 1–7.
Olson, R. L., and R. H. Treadway. 1949. Pre-peeled potatoes for commercial use. U.S.D.A. Bur. Agr. and Ind. Chem. AIC-246.
Ross, L. R., and R. H. Treadway. 1961. Factors affecting the SO2 uptake in sulfited pre-peeled potatoes. Am. Potato J. 38: 9–14.
Smith, Ora. 1959. Progress in potato chip research. Potato Chip Inst. Intern., Proc. Prod. and Tech. Div. Meetings 1959: 3–6.
Smith, Ora. 1960. Potato chip research in 1959. Potato Chip Inst. Intern., Proc. Prod. and Tech. Div. Meetings 1960: 15–20.
Smith, Ora. 1962. Research activities of the Potato Chip Institute International. Potato Chip Inst. Intern., Proc. Prod. and Tech. Div. Meetings 1962: 3–5.
Thornton, N. C. 1933. Carbon dioxide storage IV. The influence of CO2 on the acidity of plant tissue. Contr. Boyce Thompson Institute 5: 403–418.
Thornton, N. C. 1935. Carbon dioxide storage VIII. Chemical changes in potato tubers resulting from exposure to carbon dioxide. Contr. Boyce Thompson Institute 7: 113–118.
Treadwell, F. P., and W. T. Hall. 1942. Analytical Chemistry, Vol. II, 9th edition. J. Wiley and Sons, Inc., New York, New York, p. 324–328.
Author information
Authors and Affiliations
Additional information
Paper No. 484. Department of Vegetable Crops, Cornell University.
Rights and permissions
About this article
Cite this article
Davis, C.O., Smith, O. Potato quality XVI. Low temperature storage of raw French-fry cuts and potato slices for chipping. American Potato Journal 40, 193–199 (1963). https://doi.org/10.1007/BF02849339
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF02849339