Chemical study of various Blueberry varieties introduced in Georgia

Authors

  • Meri Khakhutaishvili Ph D students, Batumi Shota Rustaveli State University, Georgia, 6010.
  • Indira Djaparidze Senior Researcher, Batumi Shota Rustaveli State University, Georgia, 6010.
  • Maia Vanidze Association Professor; Chemical Department Manager, Batumi Shota Rustaveli State University, Georgia, 6010.
  • Aleko Kalandia Professor, Batumi Shota Rustaveli State University, Georgia, 6010.

Keywords:

Blueberry, antioxidant, common phenols

Abstract

Georgia is a small country, so it is desirable to grow profitable plants here that can easily adapt to environmental conditions. Such a plant is a blueberry. We have analyzed and studied the technical, biochemical and chemical indicators of 16 varieties of blueberries imported into western Georgia. The influence of environmental conditions and storage conditions on the organoleptic, technical, physico-chemical composition and antioxidant activity has been determined. Separation-identification and quantitative analysis were conducted using UPLC-MS (Waters Acquity QDa detector), HPLC (Waters Brceze 1525, UV-Vis 2489 detectors), pH-meters (Mettler Toledo). Refractrometer -Misco, Spectrometer –Cuvette Changer (Mettler Toledo UV5A), C18 Cartridge Solid Phase Extraction (SPE) Waters Sep-Pak C18 (500 mg). Antioxidant activity was defined by the DPPH method. Dry substances, titrated acidity and active pH of fruits, as well as qualitative, quantitative composition and dependence on the variety were determined. General phenols (1000 mg/100 g on average), anti-cyanins (400 mg/100 g on average) and their antioxidant dependence on storage conditions and duration were examined. The maximum preservation of antioxidants in fruits was maintained at -25°C under storage conditions.

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Author Biography

Aleko Kalandia, Professor, Batumi Shota Rustaveli State University, Georgia, 6010.

 

 

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IJLSCI_Vol. 7 No. 3 (2019): Internationl Journal of Life Sciences

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Published

2019-09-30

How to Cite

Meri Khakhutaishvili, Indira Djaparidze, Maia Vanidze, & Aleko Kalandia. (2019). Chemical study of various Blueberry varieties introduced in Georgia. International Journal of Life Sciences, 7(3), 483–490. Retrieved from https://ijlsci.in/ls/index.php/home/article/view/836

Issue

Vol. 7 No. 3 (2019): International Journal of Life Sciences

Section

Research Articles

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