Physical Properties of Dietary Fiber Sources from Peel of Asian Pear Fruit at Different Growth Stages

생육단계별 배 과피에서 분리한 식이섬유원의 물리적 특성

  • Zhang, Xian (Department of Food Science, Yanbian National University) ;
  • Lee, Fan-Zhu (Department of Food Science, Yanbian National University) ;
  • Eun, Jong-Bang (Department of Food Science and Technology and Functional Food Research Center, Chonnam National University)
  • 장선 (연변대학교 농학원 식품과학계) ;
  • 이범수 (연변대학교 농학원 식품과학계) ;
  • 은종방 (전남대학교 식품공학과.기능성식품연구센터)
  • Published : 2005.12.31


Physical properties and compositions of dietary fiber sources (DFS) from peels of Asian pear fruit, Hosui, Niitaka and Chuwhangbae, were examined at different growth stages, young, unripe, and ripe fruits, to investigate their use as functional ingredients. Total dietary fiber (TDF) contents of DFS prepared from peels of three cultivars at three stages were high, 74.00-88.38%, with most being insoluble dietary fiber. Total phenolic compound contents of DFS were 1.64-4.46mg/g, with those of Niitaka and Chuwhangbae increasing with growth stages. Density of DFS from young fruit was significantly lower than those from unripe and ripe fruits (p<0.05), because particle size of DFS increased with growth stages within cultivars. Water-holding capacity (WHC) and oil absorption were 3.11-6.03g water/g solid and 1.98-2.57g oil/g sample, respectively. Young fruits, which showed lowest WHC value, had highest oil absorption value. Particle size of DFS had significant correlation with density, WHC, and oil absorption (p<0.05). Physical properties of DFS were mainly influenced by cellulose and uronic acid.


pear;peel;dietary fiber source;physical property;growth stages


  1. Cho HM. The perspectives of pear industry for 21C in Korea. Korean J. Hort. Sci. Technol. 18: 444-452 (2000)
  2. Zhang X, Na CS, Kim JS, Lee FZ, Eun JB. Changes in dietary fiber content of flesh and peel in three cultivars of Asian pears during growth. Food Sci. Biotechnol. 12: 358-364 (2003)
  3. Hong JS, Kim MK, Yoon S, Ryu NS. Preparation or dietary fiber sources using apple pomace and soymilk residue. J. Korean Agric. Chem. Soc. 36: 73-79 (1993)
  4. Hong JS, Kim MK, Yoon S, Ryu NS. Preparation of dierary fiber sources using apple pomace and soymilk residue. J. Korean Agric. Chem. Soc. 36: 73-79 (1993)
  5. Van Soest PJ, Wine RH. Use of detergents in the analysis of fibrous feeds IV. Determination of plant cell-wall constituents. J. Assoc. Off. Anal. Chem. 50: 50-55 (1967)
  6. McCready RM, McComb EA. Extraction and determination of total pectic materials fruits. Anal. Chem. 24: 1986-1988 (1952)
  7. Han JW. Factors influencing color appearance and fruit skin development in pyrus pyrifolia nakai. PhD thesis, Chonnam National University, Kwangju, Korea (2000)
  8. Sosulski Fw, Cadden AM. Composition and physiological properties of several sources of dietary fiber. J. Food Sci. 47: 1472-1477 (1982)
  9. Kye SK. Water binding capacity of vegetable fiber. Korean J. Food Sci. Nutr. 9: 231-235 (1996)
  10. Van Soest PJ. Collaborative study of Acid-detergent fiber and lignin. J. Assoc. Off Anal. Chem. 56: 781-784 (1973)
  11. Kim SH, Park HY, Park WK. Determination and physical properties of dietary fiber seaweed products. J. Korean Soc. Food Sci. Nutr. 17: 320-325 (1988)
  12. Jo HY. Functional foods. Bioindustry 8: 44-51 (1995)
  13. Jimenez-Escrig A, Rincon M, Pulido R, Saura-Calixto F. Guava fruit (Psidium guajava L.) as a new source of antioxidant dietary fiber. J. Agric. Food Chem. 49: 5489-5493 (2001)
  14. Lapple CE. Particle-size analysis and analyzers. Chem. Eng. 75: 149-156 (1968)
  15. Weber CW, Kohlhepp EA, Idouraine A, Ochoa LJ. Binding capacity of 18 fiber sources for calcium. J. Agric. Food Chem. 41: 1931-1935 (1993)
  16. Martin-Cabrejas MA, Esteban RM, Lopez-Andreu FJ, Waldron K, Selvendran RR. Dietary fiber content of pear and kiwi pomaces. J. Agric. Food Chem. 43: 662-666 (1995)
  17. Parrott ME, Thrall BE. Functional properties of various fibers: Physical properties. J. Food Sci. 43: 759-765 (1978)
  18. Prosky L, Asp NG, Schwiezer TF, DeVries JW, Furda I. Determination of insoluble soluble and total dietary fiber in foods and food products: Interlaboratory study. J. Assoc. Off. Anal. Chem. 71: 1017-1022 (1988)
  19. TAPPI Test methods: Acid-insoluble lignin in wood and pulp. T 222 om-88. TAPPI (1989)
  20. Spiller GA. Suggestions for a basis on which to determine a desirable intake of dietary fiber. pp. 351-353. In: Handbook of dietary fiber in human nutrition. Spiller GA, 2nd ed. CRC Press, Boca Raton, FL, USA (1993)
  21. Yuk HG, Choi JH, Cho YJ, Ha JU, Hwang YI, Lee SC. Investigation of reactive conditions to extract pectin with Exo-polygalacturonase from pear pomace. Korean J. Food Sci. Technol. 31: 971-976 (1999)
  22. Chen H, Rubenthaler GL, Schanus EG. Effect of apple fiber and cellulose on the physical properties of wheat flour. J. Food Sci. 53: 304-305 (1988)
  23. Holloway WD, Greig RI. Water holding capacity of hemicelluloses from fruits, vegetables and wheat bran. J. Food Sci. 49: 1632-1633 (1984)
  24. Heller SN, Rivers JM, Hackler LR. Dietary fiber: The effect of particle size and pH on its measurement. J. Food Sci. 42: 436-439 (1977)
  25. Hwang JK. Physicochemical properties of dietary fibers. J. Korean Soc. Food Sci. Nutr. 25: 715-719 (1996)
  26. Noriaki K. Application of fiber of potato form Sazumaa to fish meat paste product. Shokuhin to Kagaku (Food & Science) 34: 104-110 (1992)
  27. Saura-Calixto F. Antioxidant dietary fiber product: A new concept and potential food ingredient. J. Agric. Food Chem. 46: 4303-4306 (1998)
  28. SAS Institute, Inc. SAA User's guide. Statistical Analysis Systems Institute, Cary, NC, USA (2000)
  29. Noh WS, Heo SH. Health Supplement Food and Functional Food. Hyoil Co. Seoul, Korea. pp. 29-35 (2000)
  30. Kintner PK, Van Buren JP. Carbohydrate interference and its correction in pectin analysis using the m-hydroxydiphenyl method. J. Food Sci. 47: 756-759 (1982)
  31. A.O.A.C. Official methods of analysis. 13th ed., Association of Official Analytical Chemists. Washington, DC, USA (1980)
  32. Leontowicz M, Gorinstein S, Leontowicz H, Krzeminski R, Lojek A, Katrich E, Ciz M, Martin-Belloso O, Soliva-Fortuny R, Haruenkit R, Trakhtenberg S. Apple and pear peel and pulp and their influence on plasma lipids and antioxidant potentials in rats fed cholesterol-containing diets. J. Agric. Food Chem. 51: 5780-5785 (2003)
  33. Ben-Arie R, Sonego L. Changes in pectic substances in ripening pears. J. Amer. Soc. Hort. Sci. 104: 500-505 (1979)
  34. McConnell AA, Eastwood MA, Mitchell WD. Physical characteristics of vegetable foodstuffs that could influence bowel function. J. Sci. Food Agric. 25: 1457-1464 (1974)
  35. Larrauri JA, Ruperez P, Saura-Calixto F. Pineapple shell as a source of dietary fiber with associated polyphenols. J. Agric. Food Chem. 45: 4028-4031 (1997)
  36. Kahng TS, Yoon HS. Determination and physical properties of dietary fiber in vegetables. J. Korean Soc. Food Sci. Nutr. 16: 49-54 (1987)