Application of black cumin seeds (nigella sativa l.) extract as a natural preservative in meatballs = Aplikasi ekstrak biji jintan hitam (nigella sativa l.) sebagai pengawet alami bakso sapi

Bella, Stella (2011) Application of black cumin seeds (nigella sativa l.) extract as a natural preservative in meatballs = Aplikasi ekstrak biji jintan hitam (nigella sativa l.) sebagai pengawet alami bakso sapi. Bachelor thesis, Universitas Pelita Harapan.

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Abstract

Black cumin (NigellasativaL) seeds have been used as spices in various countries and medicinal herbs due to its healing power. Research regarding antibacterial compound in N. sativa to inhibit bacteria has been done. The aim of this research was to study the potential of black cumin seed extract also as natural preservative to extend meatball’s shelf life during cool storage. Two methods of extraction were used ie. reflux and maceration. Black cumin extracts obtained by maceration were selected for further study, and showed inhibition against S. aureus (13.0-16.2 mm), P. aureginosa (3.6-5.0 mm), E. aerogenes (2.77.1 mm), E. coli (4.0-7.2 mm), B. cereus(2.9-5.0 mm)), andL.monocytogenes (1.87.25 mm). Minimun inhibitation concentration (MIC) and Minimum bactericidal concentration (MBC) were determined by using Bloomfield (1991) method. The main research is using three different concentrations (3 MIC, 4MIC, and 5 MIC). The best concentration to extend the shelf life of meatballs is selected based on the total plate count (TPC) result within 5 days. Challenge test result showed that black cumin seed extract can inhibit bacterial growth and effectiveness of the extract is 59.29% - 98.53% where the lowest is against L. monocytogenes and the highest effectiveness is against S. aureus.

Item Type: Thesis (Bachelor)
Creators:
CreatorsNIMEmail
Bella, StellaNIM03420070101UNSPECIFIED
Contributors:
ContributionContributorsNIDN/NIDKEmail
Thesis advisorPokatong, Wilbur Donald RaymondNIDN0002106402UNSPECIFIED
Thesis advisorAmbarita, Mery T. D.NIDN0310127501UNSPECIFIED
Additional Information: SK 34-07 BEL a
Uncontrolled Keywords: Nigellasativa seeds; antibacterial; black cumin
Subjects: T Technology > TP Chemical technology > TP368-456 Food processing and manufacture
Divisions: University Subject > Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Food Technology
Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Food Technology
Depositing User: Users 3 not found.
Date Deposited: 16 Oct 2018 07:35
Last Modified: 16 Aug 2021 07:34
URI: http://repository.uph.edu/id/eprint/1134

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