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Coloration, anthocyanin profile and metal element content of Yunnan Red Pear (Pyrus pyrifolia)

Author

Listed:
  • X.D. Zhang

    (Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, China
    Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China)

  • A.C. Allan

    (Plant and Food Research, Mt Albert Research Centre, Private Bag, Auckland, New Zealand)

  • X.Q. Chen

    (Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China)

  • L. Fan

    (Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China)

  • L.M. Chen

    (Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China)

  • Q. Shu

    (Institute of Horticulture, Yunnan Academy of Agricultural Sciences, Kunming, China)

  • J. Su

    (Institute of Horticulture, Yunnan Academy of Agricultural Sciences, Kunming, China)

  • K.Z. Li

    (Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China)

Abstract

The pigmentation response, coloration components and the metal elemental content of Yunnan Red Pear were studied. Light is indispensable for peel pigmentation. With increasing duration of illumination of fruit, the area of skin colour and colour intensity of peel increases due to accumulation of anthocyanin. The red anthocyanin component of Yunnan Red Pear skin is cyanidin-3-O-galactoside. Other phenolic compounds in pear skin are chlorogenic acid, isorhamnetin-3-O-galactoside and isorhamnetin-3-O-6"-malonylgalactoside; or isorhamnetin-3-O-6"-malonylglucoside; or isorhamnetin-3-O-malonylgalactoside. The elements Ca, Mg and Fe are abundant in Yunnan Red Pear flesh, and Zn, Mn, Cu were also identified. These results will aid red pear breeding and pear nutrition research, as well as increase understanding of the regulatory mechanisms underlying pear fruit colouration.

Suggested Citation

  • X.D. Zhang & A.C. Allan & X.Q. Chen & L. Fan & L.M. Chen & Q. Shu & J. Su & K.Z. Li, 2012. "Coloration, anthocyanin profile and metal element content of Yunnan Red Pear (Pyrus pyrifolia)," Horticultural Science, Czech Academy of Agricultural Sciences, vol. 39(4), pages 164-171.
    • Handle: RePEc:caa:jnlhor:v:39:y:2012:i:4:id:265-2011-hortsci
    DOI: 10.17221/265/2011-HORTSCI
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