MODIFIKASI FILM EDIBEL KITOSAN DENGAN MINYAK ATSIRI TEMULAWAK (Curcuma xanthorrhiza) DAN PENGUJIAN SIFAT ANTIBAKTERI DAN ANTIOKSIDAN

CITRA, CITRA and Miksusanti, Miksusanti and Hermansyah, Hermansyah (2013) MODIFIKASI FILM EDIBEL KITOSAN DENGAN MINYAK ATSIRI TEMULAWAK (Curcuma xanthorrhiza) DAN PENGUJIAN SIFAT ANTIBAKTERI DAN ANTIOKSIDAN. Undergraduate thesis, Sriwijaya University.

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Abstract

Edible film from chitosan had been modified with essensial oil of temulawak. FTIR method was used to know characteristics of molecule that incorporated in film. FDD Gas Chromatography was used to know how many molecule fforn temulawak essensial oil incorporated in film. Tensile Strength, Elongation and Tester Industries SSB 0500 were used to know the characteristics of elongation and tensile strength from edible film. Micrometer was used to know the tickness of edible film. Content of water in the film was detected by oven method. Chromameter CR 310 M Minolta was used to know the characteristic of film colour. Antibacterial film properties was done using difusion method. DPPH method was used to test it’s antioxidant properties. The taste of Lempok that covered by edible film and purc edible film were compared to know about the organoleptic characteristics. Film with 1% temulawak essensial oil showed the highest antibacterial properties agains B. cerreus (38,46 mm2 inhibition zone), and 28,26 mm2 for E. coli. Film with 1% of temulawak essensial oil also had the good antioxidantproperties (IC 50 ; 0,089 gr/ml). FTIR resulted that there are (1377-1447 cm'1) and (2920-2962 cm'1) with refer to vibration O-H and asimetric vibration C-H. From GC-FID showed that nine molecules of temulawak essensial oil were entrapped in film. The film which had been incorporated with temulawak essensial oil was accepted by respondent. Lempok had been covered by chitosan film was not well accepted by respondent.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	chitosan, essensial oil of temulawak, antibacteri, antioxidant, lempok
Subjects:	Q Science > QD Chemistry > QD241-441 Organic chemistry
Divisions:	08-Faculty of Mathematics and Natural Science > 47201-Chemistry (S1)
Depositing User:	Mrs Furika Furika
Date Deposited:	19 May 2022 07:17
Last Modified:	19 May 2022 07:17
URI:	http://repository.unsri.ac.id/id/eprint/70158

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