HUBUNGAN ANTARA BERAT DENGAN SIFAT FISIKO-MEKANIK KOPI BERAS DARI BUAH DENGAN TINGKAT KEMATANGAN PANEN BERBEDA

Yuwana, Yuwana and Evanila , Silvia and Bosman , Sidebang (2015) HUBUNGAN ANTARA BERAT DENGAN SIFAT FISIKO-MEKANIK KOPI BERAS DARI BUAH DENGAN TINGKAT KEMATANGAN PANEN BERBEDA. Jurnal AGROINDUSTRI. pp. 1-12. ISSN 2088 – 5369

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Abstract

This research aimed to determine relationships between weight and several physic-mechanical properties of coffee grains. Grains having 12.2 % (wet basis) moisture content in average, originated from cherries of different ripening levels identified by green, yellow, red and deep red in colors were used for experiment. Results of experiment indicated that weight of grains positively correlated to length, width, thickness and frontal area with very high values of determination coefficient. Weight of grains correlated positively to sphericity and negatively to porosity. Weight of grains originated from green and red cherries had positive correlation with density whereas weight of grains originated from yellow and deep red cherries possessed no correlation with density. Weight of grains from yellow, red and deep red cherries had negative correlation with true density in contrast weight of grains from green cherries had positive correlation with true density. There were no reliable trend concerning the relationships between weight of grains and coefficient of static friction and angle of repose.

Item Type: Article
Subjects: S Agriculture > S Agriculture (General)
Divisions: Faculty of Agriculture > Journal
Depositing User: 023 Dody Sahdani
Date Deposited: 27 Nov 2015 08:49
Last Modified: 27 Nov 2015 08:49
URI: http://repository.unib.ac.id/id/eprint/11098

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