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ROLE OF CALCIUM IN PROLONGING STORAGE LIFE OF FRUITS AND VEGETABLES.

Author(s) : POOVAIAH B. W.

Type of article: Article

Summary

CALCIUM HAS RECEIVED CONSIDERABLE ATTENTION BECAUSE OF ITS DESIRABLE EFFECTS IN DELAYING SENESCENCE AND CONTROLLING PHYSIOLOGICAL DISORDERS. IT IS BECOMING INCREASINGLY EVIDENT THAT CALCIUM IONS ARE IMPORTANT INTRACELLULAR MESSENGERS IN PLANTS. SINCE THE RECENT DISCOVERY OF CALMODULIN, IT HAS BECOME CLEAR THAT THE CALCIUM MESSAGES ARE OFTEN RELAYED BY THIS UBIQUITOUS CALCIUM-BINDING PROTEIN AND THAT CERTAIN CELL FUNCTIONS ARE REGULATED, IN PART, BY CALCIUM AND CALMODL. THE RATE OF SENESCENCE OFTEN DEPENDS ON THE CALCIUM STATUS OF THE TISSUE. A POSTHARVEST CALCIUM TREATMENT REDUCES THE SENESCENCE-ASSOCIATED INCREASE IN MICROVISCOSITY OF APPLE MEMBRANES. THEREFORE, IT APPEARS THAT THE EFFECT OF CALCIUM IN DELAYING SENESCENCE IS PARTLY DUE TO REDUCTIONS IN MICROVISCOSITY OF MEMBRANES ASSOCIATED WITH SENESCENCE.

Details

  • Original title: ROLE OF CALCIUM IN PROLONGING STORAGE LIFE OF FRUITS AND VEGETABLES.
  • Record ID : 1987-0134
  • Languages: English
  • Source: J. Food Technol. - vol. 40 - n. 5
  • Publication date: 1986
  • Document available for consultation in the library of the IIR headquarters only.

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