Nondestructive optical methods of food quality evaluation

References

• Arnold , W. and Davidson , J. B. 1954 . The identity of the fluorescent and DLE spectra in Chlorella . J. Gen. Physiol. , 37 : 677
   PubMed Web of Science ®Google Scholar
• Arthur , W. E. and Strehler , B. L. 1957 . Primary process in photosynthesis I. Photosynthetic luminescence — multiple reactants . Arch. Biochem. Biophys. , 70 : 507
   PubMed Web of Science ®Google Scholar
• Bain , J. M. and Mercer , F. V. 1964 . Organization resistance and the respiration climacteric . Aust. J. Biol. Sci. , 17 : 78
   Google Scholar
• Beasley , E. O. and Dickens , J. W. 1967 . “ Light transmission of peanut oil as an objective measurement related to quality of raw peanuts ” . St. Joseph, Mich. : Am. Soc. Agric. Eng. . Paper No. 67–809
   Google Scholar
• Beerwinkle , R. and Stermer , R. A. 1971 . “ A device to facilitate optical sorting of milled rice based on translucence difference ” . St. Joseph, Mich. : Am. Soc. Agric. Eng. . Paper No. 71–373
   Google Scholar
• Birth , G. S. 1960 . Measuring smut content of wheat . Trans. Am. Soc. Agric. Eng. , 3 : 19
   Google Scholar
• Birth , G. S. 1960 . A nondestructive technique for detecting internal discoloration in potatoes . Am. Potato J. , 37 : 53
   Google Scholar
• Birth , G. S. 1975 . “ Electromagnetic radiation: optical ” . In Instrumentation and Measurement for Environmental Sciences , Edited by: Henry , Z. A. St. Joseph, Mich. : Amer. Soc. Agric. Eng. . Spl. Publ. No. SP‐0375
   Google Scholar
• Birth , G. S. 1976 . “ How light interacts with foods ” . In Quality Detection in Foods , Edited by: Gaffney , J. J. 6 St. Joseph, Mich. : Amer. Soc. Agric. Eng. .
   Google Scholar
• Birth , G. S. 1978 . The light scattering properties of foods . J. Food Sci. , 43 : 915
   Web of Science ®Google Scholar
• Birth , G. S. 1983 . “ Optical radiation ” . In Instrumentation and Measurement for Environmental Sciences , 2nd ed. , Edited by: Mitchell , B. W. St. Joseph, Mich. : Am. Soc. Agric. Eng. . Spl. Publ. 13–82
   Google Scholar
• Birth , G. S. and Johnson , R. M. 1970 . Detection of mold contamination in corn by optical measurements . J. Assoc. Off. Anal. Chem. , 53 : 931
   Google Scholar
• Birth , G. S. and Norris , K. H. 1965 . The difference meter for measuring interior quality of foods and pigments in biological tissues , Tech. Bull. No. 1341 U.S. Department of Agricultural .
   Google Scholar
• Birth , G. S. and Olsen , K. L. 1964 . Nondestructive detection of water core in Delicious apples . Proc. Am. Soc. Hort. Sci. , 85 : 74
   Google Scholar
• Birth , G. S. and Zachariah , G. L. 1973 . Spectrophotometry of agricultural products . Trans. Am. Soc. Agric. Eng. , 16 : 548
   Google Scholar
• Birth , G. S. , Davis , C. E. and Townsend , W. E. 1978 . The scatter coefficient as a measure of pork quality . J. Anim. Sci. , 46 : 639
   Web of Science ®Google Scholar
• Birth , G. S. , MaGee , J. B. , Cavalette , C. and Chan , H. 1978 . “ An optical technique for measuring papaya maturity ” . St. Joseph, Mich. : Am. Soc. Agric. Eng. . Paper No. 78–3071
   Google Scholar
• Birth , G. S. , Norris , K. H. and Yeatman , J. N. 1957 . Nondestructive measurement of internal color of tomatoes by spectral transmission . Food Technol. , 11 : 552
   Web of Science ®Google Scholar
• Bittner , D. R. and Norris , K. H. 1968 . Optical properties of selected fruits vs. maturity . Trans. Am. Soc. Agric. Eng. , 11 : 534
   Google Scholar
• Bliss , G. N. Automatic Egg Candler . U.S. Patent 2, 708, 515 . 1955 .
   Google Scholar
• Bliss , G. N. Automatic Candler for Brown or White Eggs . U.S. Patent 2,823,800 . 1958 .
   Google Scholar
• Bradley , D. F. and Calvin , M. 1955 . The effect of thioctic acid on the quantum efficiency of the Hill reaction in intermittant light . Proc. Natl. Acad. Sci. U.S.A. , 41 : 563
   PubMed Web of Science ®Google Scholar
• Brant , A. W. , Norris , K. H. and Chin , G. 1953 . A spectrophotometric method for detecting blood in white‐shell eggs . Poultry Sci. , 32 : 357
   Web of Science ®Google Scholar
• Bressani , R. Protein quality of opaque‐2 maize in children . Proc. High Lysine Corn Conf., Corn . Washington, D.C. : Refiners Assoc. .
   Google Scholar
• Brown , G. K. , Segerlind , L. J. and Summitt , R. 1974 . Near‐infrared reflectance of bruised apples . Trans. Am. Soc. Agric. Eng. , 17 : 17
   Google Scholar
• Bulley , N. R. , Staley , L. M. and Mehra , H. K. 1973 . Electronic color sorting of strawberries . Can. J. Agric. Eng. , 15 (2) : 103
   Google Scholar
• Burkhardt , T. H. and Mrozek , R. F. 1973 . Light reflectance as a criterion for sorting dried prunes . Trans. Am. Soc. Agric. Eng. , 16 : 683
   Google Scholar
• Burkhardt , T. H. and Mrozek , R. F. 1974 . An orienting and conveying device for sorting dried prunes . Trans. Am. Soc. Agric. Eng. , 17 : 1173
   Google Scholar
• Chen , P. 1978 . Use of optical properties of food materials in quality evaluation and materials sorting . J. Food Process. Eng. , 2 : 307
   Google Scholar
• Chen , P. and Nattuvetty , V. R. 1977 . Light transmittance through a region of an intact fruit , St. Joseph, Mich. : Am. Soc. Agric. Eng. . Paper No. 77–3506
   Google Scholar
• Chuma , Y. and Nakaji , K. 1976 . Optical properties of fruits and vegetables to serve the automatic selection within the packaging house line. IV. Delayed light emission as a means of automatic selection of tomatoes . J. Sci. Agric. Mach. Jpn. , 38 : 217
   Google Scholar
• Chuma , Y. , Sein , K. , Kawano , S. and Nakaji , K. 1977 . Delayed light emission as a means of automatic selection of Satsuma oranges . Trans. Am. Soc. Agric. Eng. , 20 : 996
   Google Scholar
• Chuma , Y. , Nakaji , K. and Ohura , M. 1980 . Maturity evaluation of bananas by delayed light emission . Trans. Am. Soc. Agric. Eng. , 23 : 1043
   Google Scholar
• Clark , H. E. Opaque‐2 corn as a source of protein for adult human subjects . Proc. High Lysine Corn. Conf. Washington, D.C. : Corn Refiners Assoc. .
   Google Scholar
• Clark , R. L. 1980 . Studies of greenhouse germination of cottonseed sorted by optical density . Trans. Am. Soc. Agric. Eng. , 23 : 1301
   Google Scholar
• Clark , R. L. and McFarland , H. A. 1979 . Studies of the optical properties of cottonseed as related to seed viability. I . Trans. Am. Soc. Agric. Eng. , 22 : 1178
   Google Scholar
• Clark , R. L. and McFarland , H. A. 1979 . Studies of the optical properties of cottonseed as related to seed viability. II . Trans. Am. Soc. Agric. Eng. , 22 : 1181
   Google Scholar
• Clark , R. L. and Pollock , T. L. 1979 . Studies of the optical properties of cottonseed as related to seed viability. III . Trans. Am. Soc. Agric. Eng. , 22 : 1184
   Google Scholar
• Clark , R. L. and Shackelford , P. S. 1973 . Resonance and optical properties of peaches as related to flesh firmness . Trans. Am. Soc. Agric. Eng. , 16 : 1140
   Google Scholar
• Clydesdale , F. M. 1978 . Colorimetry — methodology and applications . CRC Crit. Rev. Food Sci. Nutr. , 10 : 243
   PubMedGoogle Scholar
• Cunningham , A. C. 1964 . “ Operational Efficiency in Marketing Fresh Apples ” . Ithaca, N.Y. : Cornell Univ. . Ph.D. thesis
   Google Scholar
• Davis , C. E. , Birth , G. S. and Townsend , W. E. 1978 . Analysis of spectral reflectance for measuring pork quality . J. Anim. Sci. , 46 : 634
   Web of Science ®Google Scholar
• Denton , C. A. 1947 . Observations on the incidence and characteristics of blood and meat spots in hen's eggs . Poultry Sci. , 26 : 272
   Web of Science ®Google Scholar
• Desikachar , H. S. R. 1956 . Determination of the degree of polishing in rice. IV. Percentage loss of phosphorus as an index of the degree of milling . Cereal Chem. , 33 : 320
   Web of Science ®Google Scholar
• Dewey , D. H. and Schueneman , T. J. 1971 . Quality and packout of storage apples and their effects on costs and returns . Mich. Agric. Exp. Sta. Res. Rep. , : 147
   Google Scholar
• Dickens , J. W. and Welty , R. E. 1975 . Fluorescence in pistachio nuts contaminated with aflatoxin . J. Am. Opt. Assoc. , 52 : 448
   Google Scholar
• Diener , R. G. , Mitchell , J. P. and Rhoten , M. L. 1969 . “ Use of an X‐ray image scan for automatic fruit sorting ” . St. Joseph, Mich. : Am. Soc‐ Agric. Eng. . Paper No. 69–380
   Google Scholar
• Dooley , W. D. Method and Apparatus for Detecting the Presence of Blood in an Egg . U.S. Patent 2,321,899 . 1943 .
   Google Scholar
• Ernest , J. V. , Birth , G. S. , Sidwell , A. P. and Golumbic , C. 1958 . Evaluation of light transmittance techniques for maturity measurements of two varieties of prune‐type plums . Food Technol. , 12 : 595
   Web of Science ®Google Scholar
• Eskin , N. A. , Henderson , H. M. and Townsend , R. J. 1971 . Biochemistry of Foods , New York : Academic Press .
   Google Scholar
• Farsaie , A. , McClure , W. F. and Monroe , R. J. 1977 . Development of indices of sorting Iranian pistachio nuts according to fluorescence . J. Food Sci. , 43 : 1550
   Web of Science ®Google Scholar
• Felesenstein , G. and Manor , G. 1973 . Feasibility study into the development of an improved photoelectric device for sorting citrus fruits for surface defects . Trans. Am. Soc. Agric. Eng. , 16 : 1006
   Google Scholar
• Finney , E. E. 1973 . “ Measurement technique for quality control of agricultural products ” . St. Joseph, Mich : Am. Soc. Agric. Eng. .
   Google Scholar
• Finney , E. E. , BenGera , I. and Massie , D. R. 1967 . An objective evaluation of changes in firmness of ripening bananas using a sonic technique . J. Food Sci. , 32 : 642
   Web of Science ®Google Scholar
• Francis , F. J. , Bramlage , W. J. and Lord , W. J. 1965 . Detection of water core and internal breakdown in Delicious apples by light transmittance . Proc. Am. Soc. Hort. Sci. , 87 : 78
   Google Scholar
• Francis , F. J. and Clydesdale , F. M. 1975 . Food Colorimetry: Theory and Applications , Westport, Conn. : AVI Publ. .
   Google Scholar
• Frenkel , C. , Klein , I. and Dilley , D. R. 1968 . Protein synthesis in relation to ripening of pome fruits . Plant Physiol. , 43 : 1146
   PubMed Web of Science ®Google Scholar
• Gaffney , E. E. 1973 . Reflectance properties of citrus fruits . Trans. Am. Soc. Agric. Eng. , 16 : 310
   Google Scholar
• Gaffney , E. 1976 . “ Light reflectance of radishes as a basis for automatic grading ” . In Quality Detection in Foods , Edited by: Gaffney , E. E. 75 St. Joseph, Mich. : Am. Soc. Agric. Eng. .
   Google Scholar
• Gates , D. M. , Keegan , H. J. , Schleter , J. C. and Weidner , V. R. 1965 . Spectral properties of plants . Appl. Opt. , 4 : 11
   Web of Science ®Google Scholar
• Gillespie , R. M. 1976 . “ Equipment for sorting food products by light reflectance ” . In Quality Detection in Foods , Edited by: Gaffney , J. J. 175 St. Joseph, Mich. : Am. Soc. Agric. Eng. .
   Google Scholar
• Goddard , W. B. , O'Brien , M. , Lorenzen , C. and Williams , D. W. 1970 . “ Development of criteria for mechanization of grading processing tomatoes ” . St. Joseph, Mich. : Am. Soc. Agric. Eng. . Paper No. 70–389
   Google Scholar
• Haller , M. H. 1952 . Handling, transportation, storage, and marketing of peaches . U.S. Department of Agriculture, Biblio. Bull. , : 21
   Google Scholar
• Hawk , A. L. , Kaufmann , H. H. and Watson , C. A. 1969 . “ Reflectance characteristics of various grains ” . St. Joseph, Mich. : Am. Soc. Agric. Eng. . Paper No. 69–357
   Google Scholar
• Hawthorn , J. 1967 . “ The organization of quality control ” . In Quality Control in the Food Industry , Edited by: Herschdoerfer , S. M. Vol. 1 , 1 London : Academic Press .
   Google Scholar
• Hogan , J. T. and Deobald , H. J. 1961 . Note on a method of determining the degree of milling of whole milled rice . Cereal Chem. , 38 : 291
   Web of Science ®Google Scholar
• Hooper , W. A. 1980 . Estimation of the moisture content of grass from diffuse reflectance measurements at near‐infrared wavelengths . J. Agric. Eng. Res. , 25 : 355
   Web of Science ®Google Scholar
• Hulme , A. C. , Rhodes , M. J. C. , Galliard , T. and Wooltorton , L. S. C. 1968 . Metabolic changes in excised fruit tissue. IV. Changes occurring in disks of apple peel during the development of the respiration climacteric . Plant Physiol. , 43 : 1154
   PubMed Web of Science ®Google Scholar
• Ingle , M. and Hyde , J. F. 1968 . The effect of bruising on discoloration and concentration of phenolic compounds in apple tissue . Proc. Am. Soc. Hort. Sci. , 93 : 738
   Google Scholar
• Jacob , F. C. , Romani , R. J. and Sprock , C. M. 1965 . Fruit sorting by delayed light emission . Trans. Am. Soc. Agric. Eng. , 8 : 18
   Google Scholar
• Jeffrey , F. P. 1945 . Blood and meat spots in chicken eggs . Poultry Sci. , 24 : 363
   Web of Science ®Google Scholar
• Johnson , R. M. 1960 . Five proposed methods for determining smut content in wheat . Cereal Chem. , 37 : 289
   Web of Science ®Google Scholar
• Johnson , R. M. 1962 . Determining damage in yellow corn . Cereal Sci. Today , 7 (1) : 14
   Google Scholar
• Kerker , M. 1969 . The Scattering of Light and Other Electromagnetic Radiation , New York : Academic Press .
   Google Scholar
• Kortum , G. 1969 . Reflectance Spectroscopy: Principles, Methods, Applications , New York : Springer‐Verlag .
   Google Scholar
• Kramer , A. 1973 . “ Fruits and vegetables ” . In Quality Control for the Food Industry Vol. 2, Applications , Edited by: Kramer , A. and Twigg , B. A. Vol. 2 , Westport, Conn. : AVI Publ. .
   Google Scholar
• Kramer , A. and Smith , H. R. 1947 . Electrophotometric methods for measuring the ripeness and color of canned peaches and apricots . Food Technol. , 1 : 527
   Web of Science ®Google Scholar
• Kramer , A. and Twigg , B. A. 1970 . Quality Control for the Food Industry Vol. 1, Fundamentals , Vol. 1 , Westport, Conn. : AVI Publ. .
   Google Scholar
• Kramer , A. H. , Gates , J. E. , Demoree , K. D. and Sidwell , A. P. 1963 . Spectrophotometric investigations on peanuts with particular reference to estimation of maturity . Food Technol. , 17 (8) : 90
   Web of Science ®Google Scholar
• Kushman , L. J. and Ballinger , W. E. 1975 . Relation of quality indexes of individual blueberries to photoelectric measurement of anthocyanin . J. Am. Soc. Hort. Sci. , 100 : 561
   Web of Science ®Google Scholar
• Lastinger , A. W. and McLendon , B. D. 1976 . “ Evaluation of light transmission as a measure of egg fertility ” . St. Joseph, Mich. : Amer. Soc. Agric. Engrs. . Paper No. 76–3032
   Google Scholar
• Lerner , I. M. and Smith , W. R. 1942 . Effect of season and heredity on the incidence of blood spots . Poultry Sci. , 21 : 473
   Google Scholar
• Long , J. F. and Webb , B. K. 1972 . “ Correlations of reflectance ratios to maturity for whole peaches ” . St. Joseph, Mich. : Am. Soc. Agric. Eng. . Paper No. 72–312
   Google Scholar
• Lott , R. V. 1944 . A spectral analysis of color changes in flesh and skin of maturing Grimes Golden and Stayman Winesap apples . Proc. Am. Soc. Hort. Sci. , 44 : 157
   Google Scholar
• Lott , R. V. 1964 . Variability in color and associated quality constituents in Golden Delicious apple packs . Proc. Am. Soc. Hort. Sci. , 83 : 139
   Google Scholar
• Massie , D. R. “ Fat measurement of ground beef with a gallium arsenide infrared emitter ” . In Am. Soc. Agric. Eng. 173 St. Joseph, Mich. Paper No. 73–6503
   Google Scholar
• Massie , D. R. and Norris , K. H. 1965 . Spectral reflectance and transmittance properties of grain in the visible and near‐infrared . Trans. Am. Soc. Agric. Eng. , 8 : 598
   Google Scholar
• Massie , D. R. and Norris , K. H. 1975 . A high‐intensity spectrophotometer interfaced with a computer for food quality measurement . Trans. Am. Soc. Agric. Eng. , 18 : 173
   Google Scholar
• McClure , W. F. 1975 . A spectrophotometric technique for studying the browning reaction in tobacco . Trans. Am. Soc. Agric. Eng. , 18 : 380
   Google Scholar
• McClure , W. F. and Farsaie , A. 1980 . Dual wavelength fiberoptic photometer measures fluorescence of aflatoxin contaminated pistachio nuts . Trans. Am. Soc. Agric. Eng. , 23 : 204
   Google Scholar
• McDougall , D. B. 1970 . Characteristics of appearance of meat. I. The luminous absorption, scatter, and internal transmittance of the lean of bacon manufactured from normal and pale pork . J. Sci. Food Agric. , 21 : 568
   Web of Science ®Google Scholar
• McGlasson , W. B. 1970 . “ The ethylene factor ” . In The Biochemistry of Fruits and Their Products , Edited by: Hulme , A. C. Vol. 1 , 475 London : Academic Press .
   Google Scholar
• Miles , J. A. and Moehle , D. E. 1978 . Use of the light transmission and reflectance characteristics of fir seeds as viability indicators . Trans. Am. Soc. Agric. Eng. , 21 : 1219
   Google Scholar
• Muir , A. V. , Porteous , R. L. and Wastie , R. L. 1982 . Experiments in the detection of incipient diseases in potato tubers by optical methods . J. Agric. Eng. Res. , 27 : 131
   Web of Science ®Google Scholar
• Nalbandov , A. V. and Card , L. E. 1941 . Further evidence on the cause and occurrence of blood and meat spots . Poultry Sci. , 20 : 469
   Google Scholar
• Nattuvetty , V. R. and Chen , P. 1980 . Maturity sorting of green tomatoes based on light transmission through regions of the fruit . Trans. Am. Soc. Agric. Eng. , 23 : 515
   Google Scholar
• Norris , K. H. 1956 . Measurement of quality in foods and agricultural commodities by physical methods . Proc. First Symp. Food Phys. , : 113
   Google Scholar
• Norris , K. H. 1958 . Measuring light transmittance properties of agricultural commodities . Agric. Eng. , 39 : 640
   Google Scholar
• Norris , K. H. and Hart , J. R. Direct spectrophotometric determination of moisture content of grains and seeds . Proc. 1963 Intl. Symp. on Humidity and Moisture, Principles and Methods of Measuring Moisture in Liquid and Solids . Vol. 4 , pp. 19 New York : Reinhold Publ. .
   Google Scholar
• Norris , K. H. and Rowan , J. D. 1962 . Automatic detection of blood in eggs . Agric. Eng. , 43 (3) : 154
   Google Scholar
• Olsen , K. L. , Schomer , H. A. and Birth , G. S. 1962 . Detection and evaluation of water core in apples by light transmittance . Washington State Hort. Assoc. Proc. , 58 : 195
   Google Scholar
• Paez , A. V. , Helm , J. L. and Zuber , M. S. 1968 . Quantitative measurement of light transmission through corn endosperm . Cereal Chem. , 45 : 595
   Web of Science ®Google Scholar
• Palmer , J. 1961 . Electronic sorting of potatoes, and clods by their reflectance . J. Agric. Eng. Res. , 6 : 104
   Google Scholar
• Polesello , A. and Giangiacomo , R. 1983 . Application of near infrared spectrophotometry to the nondestructive analysis of foods: a review of experimental results . CRC Crit. Rev. Food Sci. Nutr. , 18 : 203
   Google Scholar
• Porteous , R. L. , Muir , A. V. and Wastie , R. L. 1981 . The identification of diseases and defects in potato tubers from measurements of optical spectral reflectance . J. Agric. Eng. Res. , 26 : 151
   Web of Science ®Google Scholar
• Powers , J. B. , Gunn , J. T. and Jacob , F. C. 1953 . Electronic color sorting of fruits and vegetables . Agric. Eng. , 34 : 149
   Google Scholar
• Rehkugler , G. E. , Stiefvater , T. L. and Throop , J. A. 1971 . An optical bruise detection technique . Trans. Am. Soc. Agric. Eng. , 14 : 1189
   Google Scholar
• Reid , W. S. 1976 . Optical detection of apple skin, bruise, flesh, stem, and calyx . J. Agric. Eng. Res. , 21 : 291
   Web of Science ®Google Scholar
• Renck , L. E. 1972 . “ Light Scatter in Biological Materials ” . West Lafayette, Ind. : Purdue Univ. . M.S. thesis
   Google Scholar
• Rhodes , M. J. C. 1970 . “ The climacteric and ripening of fruits ” . In The Biochemistry of Fruits and Their Products , Edited by: Hulme , A. C. Vol. 1 , 521 London : Academic Press .
   Google Scholar
• Romani , R. J. , Jacob , F. C. and Sprock , C. M. 1962 . Studies on the use of light transmission to assess the maturity of peaches, nectarines, and plums . Proc. Am. Soc. Hort. Sci. , 80 : 220
   Google Scholar
• Rood , P. 1957 . Development and detection of objective maturity for California freestone peaches . Proc. Am. Soc. Hort. Sci. , 70 : 104
   Google Scholar
• Sacher , J. A. 1967 . Permeability, RNA, and protein turnover during aging of fruit and leaf tissues . Symp. Soc. Exp. Biol. , 21 : 269
   PubMedGoogle Scholar
• Sarkar , S. C. and O'Brien , M. 1976 . “ Measurement of power spectra for optoelectronic sorting of tomatoes ” . In Quality Detection in Foods , Edited by: Gaffney , J. J. 35 St. Joseph, Mich. : Am. Soc. Agric. Eng. .
   Google Scholar
• Shortley , G. and Williams , D. 1971 . Elements of Physics , New Jersey : Prentice‐Hall .
   Google Scholar
• Sidwell , A. P. , Birth , G. S. , Ernest , J. V. and Golumbic , C. 1961 . The use of light transmittance techniques to estimate the chlorophyll content and stage of maturation of Elberta peaches . Food Technol. , 19 : 123
   Google Scholar
• Sogo , P. B. , Pon , N. G. and Calvin , M. 1957 . Photospin resonance in chlorophyll containing plant material . Proc. Natl. Acad. Sci. U.S.A. , 43 : 387
   PubMed Web of Science ®Google Scholar
• Stermer , R. A. 1968 . An instrument for objective measurement of degree of milling and color of milled rice . Cereal Chem. , 45 : 358
   Web of Science ®Google Scholar
• Stermer , R. A. , Schroeder , H. W. , Hartstsack , A. W. and Kingsolver , C. H. 1962 . A rice photometer for measuring the degree of milling of rice . Rice J. , 67 (5) : 24
   Google Scholar
• Stermer , R. A. , Watson , C. A. and Dikeman , E. 1976 . “ Infrared spectra of milled rice ” . St. Joseph, Mich. : Am. Soc. Agric. Eng. . Paper No. 76–3030
   Google Scholar
• Stiefvater , T. L. 1970 . “ Investigation of an Optical Apple Bruise Detection Technique ” . Ithaca, N.Y. : Cornell University . M.S. thesis
   Google Scholar
• Story , A. G. 1976 . “ Spectral reflectance of light and infrared radiation by potatoes, stones, and soil clods ” . In Quality Detection in Foods , Edited by: Gaffney , J. J. 83 St. Joseph, Mich. : Am. Soc. Agric. Eng. .
   Google Scholar
• Story , A. G. and Holloway , G. E. 1969 . “ Spectral reflectance of light and infrared radiation by potatoes, stones, and soil clods ” . St. Joseph, Mich. : Am. Soc. Agric. Eng. . Paper No. 69–111
   Google Scholar
• Story , A. G. and Raghavan , G. S. V. 1971 . “ Sorting potatoes from stones and soil clods by infrared reflectance ” . St. Joseph, Mich. : Am. Soc. Agric. Eng. . Paper No. 71–314
   Google Scholar
• Strehler , B. L. 1951 . The luminescence of isolated chloroplasts . Arch. Biochem. Biophys. , 34 : 239
   PubMed Web of Science ®Google Scholar
• Strehler , B. L. and Arnold , W. 1951 . Light production by green plants . J. Gen. Physiol. , 34 : 809
   PubMed Web of Science ®Google Scholar
• Taylor , M. H. and Bigbee , D. E. 1973 . “ Poultry and egg products ” . In Quality Control for the Food Industry, Vol. 2, Applications , Edited by: Kramer , A. and Twiggs , B. A. Westport, Conn. : AVI Publ. .
   Google Scholar
• Tollin , G. and Calvin , M. 1957 . The luminescence of chlorophyll‐containing plant material . Proc. Natl. Acad. Sci. U.S.A. , 43 : 895
   PubMed Web of Science ®Google Scholar
• Tollin , G. , Fujimori , E. and Calvin , M. 1958 . Delayed light emission in green plant materials: temperature dependence and quantum yield . Proc. Natl. Acad. Sci. U.S.A. , 44 : 1035
   PubMed Web of Science ®Google Scholar
• Twersky , V. 1970 . Absorption and multiple scattering by biological suspensions . J. Opt. Soc. Am. , 60 : 1084
   PubMed Web of Science ®Google Scholar
• Tyson , T. W. and Clark , R. L. 1974 . An investigation of the fluorescent properties of aflatoxin infected pecans . Trans. Am. Soc. Agric. Eng. , 17 : 942
   Google Scholar
• Von Beckman , J. W. and Bulley , N. R. 1976 . “ Electronic size and color grader for greenhouse tomatoes ” . St. Joseph, Mich. : Am. Soc. Agric. Eng. . Paper No. 76–1030
   Google Scholar
• Varner , J. E. 1965 . “ Death ” . In Plant Biochemistry , Edited by: Bonner , J. and Varner , J. E. 867 New York : Academic Press .
   Google Scholar
• Watada , A. E. , Norris , K. H. , Worthington , J. T. and Massie , D. R. 1976 . Estimation of chlorophyll and carotenoid contents of whole tomato by light absorbance technique . J. Food Sci. , 41 : 329
   Web of Science ®Google Scholar
• Wendlandt , W. W. and Hecht , H. G. 1966 . Reflectance Spectroscopy , New York : Wiley‐Interscience .
   Google Scholar
• Williams , P. C. 1975 . Application of near‐infrared reflectance spectroscopy to analysis of cereal grains and oilseeds . Cereal Chem. , 52 : 561
   Web of Science ®Google Scholar
• Willstatter , R. and Stoll , A. 1928 . Investigations on Chlorophyll , England : Science Press .
   Google Scholar
• Woolley , J. T. 1971 . Reflectance and transmittance of light by leaves . Plant Physiol. , 47 : 656
   PubMed Web of Science ®Google Scholar
• Worthington , J. T. 1974 . A light transmittance technique for determining tomato ripening rate and quality . Acta Hort. , 38 : 193
   Google Scholar
• Worthington , J. T. , Massie , D. R. and Norris , K. H. 1973 . “ Light transmission technique for predicting ripening time for intact green tomatoes ” . St. Joseph, Mich. : Am. Soc. Agric. Eng. . Paper No. 73–6526
   Google Scholar
• Yeatman , J. N. and Norris , K. H. 1965 . Evaluating internal quality of apples with new automatic fruit sorter . Food Technol. , 19 : 123
   Web of Science ®Google Scholar
• Ziegler , G. E. and Morrow , C. T. 1970 . “ Radiographic bruise detection ” . St. Joseph, Mich. : Am. Soc. Agric. Eng. . Paper No. 70–553
   Google Scholar