Determination of Some Biotechnical Characteristics of Ornamental Plum (Prunus cerasifera var. atropurpurea) Fruit

Year 2022, Volume: 6 Issue: 2, 74 - 82, 29.12.2022

Hamide Ersoy , Ebubekir Altuntaş

Abstract

Ornamental plum (Prunus cerasifera var. atropurpurea (Rosaceae)) is a species of ornamental tree. The fruits turn red when ripening and are edible. Ornamental plum fruit has bioactive substance potential. In this study, some biotechnical characteristics of the ornamental plum fruits such as size dimensions, geometric mean diameter, sphericity, surface area, colour properties, frictional properties and mechanical behaviors were determined in this study. The puncture and compression tests were carried out for the behavior of fruits against mechanical forces Three different loading speeds (30 mm min-1, 60 mm min-1, 90 mm min-1) were used in mechanical tests. The length, width and thickness values of ornamental plum were determined as 2.785 cm, 2.638 cm, 2.568 cm and fruit weight of 10.09 g, respectively. The geometric mean diameter, sphericity and surface area values of fruits were determined as 6.53 mm, 95.28% and 22.13 cm2, respectively. Among the volumetric properties of ornamental plum, the porosity value was determined as 57.16%. L*, a*, b* colour characteristics were determined as 35.59, 6.83 and 8.82, respectively. The static friction coefficient values of the ornamental plum on different friction surfaces were higher on the rubber surface than the other surfaces. The highest compression force value was measured as 82.14 N in the width (Y-) axis at a loading speed of 90 mm min-1. The results of the bio-technical characteristics must be taken into account for the quality of ornamental plum fruit during cleaning, sorting, packaging, storage and processing and post-harvest presentation to the consumer.

Keywords

Surface area, Friction, Chroma, Puncture, Compression

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