Pemanfaatan ekstrak kulit melinjo merah (Gnetum gnemon L.) sebagai pengawet mi basah

Nerissa, Cecilia (2011) Pemanfaatan ekstrak kulit melinjo merah (Gnetum gnemon L.) sebagai pengawet mi basah. Bachelor thesis, Universitas Pelita Harapan.

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Abstract

Red melinjo peel is a type of vegetable commonly found in Indonesian food, which sometimes became waste from melinjo processing. It has been documented to possess antimicrobial properties. In this research, red melinjo peel extract was tested against the bacteria and fungi by well diffusion agar method. Then the research determined the MIC, MBC, and MFC for each bacteria and fungi. The extract applied to wet noodle with concentration of 4 MIC and then tested in microbiology test, hedonic and descriptive test, and challenge test. It showed that the peel extract could inhibit the growth of S. aureus (11.83–15.88 mm), B. cereus (11.14 – 15.04 mm), Pseudomonas sp. (7.90 – 14.49 mm), and E. coli (5.90 – 12.26 mm), but unable to inhibit Mucor sp., and Penicillium sp.The noodle could be preserved for two days according to SNI of total amount of microbes. Descriptive test showed that the scores in aroma and texture decreased slightly, whereas the score for color increased slightly; and hedonic test (aroma, color, and texture) showed that the panel considers the wet noodle (4 MIC) acceptable during the two days storage period. The wet noodle (4 MIC) had red color, with oHue 44,43 – 43,60. According to the challenge test, the wet noodle (4 MIC) was capable of preventing bacterial activity and growth.

Item Type: Thesis (Bachelor)
Creators:
CreatorsNIMEmail
Nerissa, CeciliaNIM03420070011UNSPECIFIED
Contributors:
ContributionContributorsNIDN/NIDKEmail
Thesis advisorParhusip, Adolf J.N.NIDN0107016701UNSPECIFIED
Thesis advisorEveline, EvelineNIDN0308048201UNSPECIFIED
Additional Information: NIM 03420070011
Uncontrolled Keywords: red melinjo peel ; extract ; antimicrobial ; wet noodle
Subjects: T Technology > TP Chemical technology
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: Mrs Marselita Harapan
Date Deposited: 04 Oct 2018 04:17
Last Modified: 24 Jul 2020 07:49
URI: http://repository.uph.edu/id/eprint/441

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