Effect of growing conditions and postharvest processing on arabica coffee bean physical quality features and defects

The individual and interaction effects of elevation, production system (PS), shade and postharvest processing (PHP) on the ratio of dry beans to red cherries and the green bean physical quality features and defects of arabica coffee in southwestern Ethiopia were evaluated. The results showed that, w...

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Main Authors: Mohammed Worku, Tessema Astatkie, Pascal Boeckx
Format: Article
Language:English
Published: Elsevier 2022-04-01
Series:Heliyon
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2405844022004893
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author Mohammed Worku
Tessema Astatkie
Pascal Boeckx
author_facet Mohammed Worku
Tessema Astatkie
Pascal Boeckx
author_sort Mohammed Worku
collection DOAJ
description The individual and interaction effects of elevation, production system (PS), shade and postharvest processing (PHP) on the ratio of dry beans to red cherries and the green bean physical quality features and defects of arabica coffee in southwestern Ethiopia were evaluated. The results showed that, with increasing elevation, the proportions of the total defected beans and large beans decreased while that of medium beans increased. Moreover, the proportion of secondary defects, 1000 seed weight and bean volume were higher for lowland and midland coffees than for highland coffee, but bean density was higher for highland than for lowland and midland coffees. The proportion of the total defected beans was also higher for modern plantation coffee in lowland than for modern plantation and semi-plantation coffees in midland and highland, but the 1000 seed weight was lower for semi-plantation coffee in highland than for modern plantation coffee in lowland and midland. The ratio of primary and secondary defects respectively was higher for dry- and wet-processed coffee in lowland than for dry- and wet-processed coffees in midland and highland. But, the ratio of small beans was lower for wet-processed coffee in lowland than for dry-processed coffee across elevations. The ratio of dry beans to red cherries and the 100 beans volume were higher for wet-processed modern plantation and semi-plantation coffees in midland than for dry-processed coffees of both production systems across elevations. However, the ratio of large beans was higher (1) for wet-processed modern plantation coffee in lowland than for dry- and wet-processed coffees of both production systems across elevations, and (2) for coffee that was grown without shade and wet-processed in lowland than for other coffees. Bean density was higher for dry-processed modern plantation and semi-plantation coffee in midland and highland, respectively than for other coffees across elevations. Overall, these results underlined the primary effects of elevation and PS, and the complex interaction effects between PHP and PS or shade on the ratio of dry beans to red cherries and the physical features and defects of green arabica coffee beans.
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spelling doaj.art-39562e194bbd49f3ba961c70eed7d8ab2022-12-22T01:10:39ZengElsevierHeliyon2405-84402022-04-0184e09201Effect of growing conditions and postharvest processing on arabica coffee bean physical quality features and defectsMohammed Worku0Tessema Astatkie1Pascal Boeckx2Department of Horticulture and Plant Sciences, College of Agriculture and Veterinary Medicine, Jimma University, Jimma, Ethiopia; Corresponding author.Faculty of Agriculture, Dalhousie University, Truro, NS, CanadaIsotope Bioscience Laboratory – ISOFYS, Faculty of Bioscience Engineering, Ghent University, BelgiumThe individual and interaction effects of elevation, production system (PS), shade and postharvest processing (PHP) on the ratio of dry beans to red cherries and the green bean physical quality features and defects of arabica coffee in southwestern Ethiopia were evaluated. The results showed that, with increasing elevation, the proportions of the total defected beans and large beans decreased while that of medium beans increased. Moreover, the proportion of secondary defects, 1000 seed weight and bean volume were higher for lowland and midland coffees than for highland coffee, but bean density was higher for highland than for lowland and midland coffees. The proportion of the total defected beans was also higher for modern plantation coffee in lowland than for modern plantation and semi-plantation coffees in midland and highland, but the 1000 seed weight was lower for semi-plantation coffee in highland than for modern plantation coffee in lowland and midland. The ratio of primary and secondary defects respectively was higher for dry- and wet-processed coffee in lowland than for dry- and wet-processed coffees in midland and highland. But, the ratio of small beans was lower for wet-processed coffee in lowland than for dry-processed coffee across elevations. The ratio of dry beans to red cherries and the 100 beans volume were higher for wet-processed modern plantation and semi-plantation coffees in midland than for dry-processed coffees of both production systems across elevations. However, the ratio of large beans was higher (1) for wet-processed modern plantation coffee in lowland than for dry- and wet-processed coffees of both production systems across elevations, and (2) for coffee that was grown without shade and wet-processed in lowland than for other coffees. Bean density was higher for dry-processed modern plantation and semi-plantation coffee in midland and highland, respectively than for other coffees across elevations. Overall, these results underlined the primary effects of elevation and PS, and the complex interaction effects between PHP and PS or shade on the ratio of dry beans to red cherries and the physical features and defects of green arabica coffee beans.http://www.sciencedirect.com/science/article/pii/S2405844022004893ElevationCoffee shadeCoffee production systemArabica coffeeDry beans to red cherries ratioBean physical features
spellingShingle Mohammed Worku
Tessema Astatkie
Pascal Boeckx
Effect of growing conditions and postharvest processing on arabica coffee bean physical quality features and defects
Heliyon
Elevation
Coffee shade
Coffee production system
Arabica coffee
Dry beans to red cherries ratio
Bean physical features
title Effect of growing conditions and postharvest processing on arabica coffee bean physical quality features and defects
title_full Effect of growing conditions and postharvest processing on arabica coffee bean physical quality features and defects
title_fullStr Effect of growing conditions and postharvest processing on arabica coffee bean physical quality features and defects
title_full_unstemmed Effect of growing conditions and postharvest processing on arabica coffee bean physical quality features and defects
title_short Effect of growing conditions and postharvest processing on arabica coffee bean physical quality features and defects
title_sort effect of growing conditions and postharvest processing on arabica coffee bean physical quality features and defects
topic Elevation
Coffee shade
Coffee production system
Arabica coffee
Dry beans to red cherries ratio
Bean physical features
url http://www.sciencedirect.com/science/article/pii/S2405844022004893
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AT pascalboeckx effectofgrowingconditionsandpostharvestprocessingonarabicacoffeebeanphysicalqualityfeaturesanddefects