Aktivitas antioksidan olahan buah mengkudu (morinda citrifolia l.) pada tingkat kematangannya = Antioxidant activity of processed noni fruit (morinda citrifolia l.) at different ripening stages

Konius, Dennis Wiputra (2015) Aktivitas antioksidan olahan buah mengkudu (morinda citrifolia l.) pada tingkat kematangannya = Antioxidant activity of processed noni fruit (morinda citrifolia l.) at different ripening stages. Bachelor thesis, Universitas Pelita Harapan.

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Abstract

Noni (Morinda citrifolia L.) fruit is one of the fruits that contains antioxidant compounds. This fruit usually consumed as juice, powder, and extract. This study was conducted to determine the antioxidant activity and total phenolic between noni juice and noni powder, to examine the effect of ascorbic acid to antioxidant activity of noni juice, and to determine yield, antioxidant activity and total phenolic extract noni fruit with different methods and solvents. The best sample with the highest antioxidant activity and total phenolic between juice and powder in different ripening stages was chosen for extraction. Unripe, half-ripe, and ripe were ripening stages of noni fruit that used to compare between juice and powder; ethanol, ethyl acetate, and hexane were used as solvent for extraction; and maceration and soxhlet were used as method of extraction. The result exhibited that ripe noni powder has the highest antioxidant activity (IC50=2620.57 ± 72.177 mg/L) and total phenolic (7.76 ± 0.2188 mg GAE/g sample). Ascorbic acid in noni juice also contributed to the antioxidant activity which in unripe noni juice (41.2%), half-ripe noni juice (91,34%), and ripe noni juice (85,2%). Soxhlet with ethanol solvent was the best extraction method that produced the highest yield (39.85 ± 0.65 %) and soxhlet with ethyl acetate solvent has the highest antioxidant activity (IC50=543.7108 ± 6.8285 mg/L) and total phenolic (82.6434 ± 3.2521 mg GAE/g sample).

Item Type: Thesis (Bachelor)
Creators:
CreatorsNIMEmail
Konius, Dennis WiputraNIM03420110030ANIMAKXI_3@YAHOO.COM
Contributors:
ContributionContributorsNIDN/NIDKEmail
Thesis advisorCahyana, A. HerryNIDN0005075908UNSPECIFIED
Thesis advisorMastuti, Titri SiratantriNIDN0320117902UNSPECIFIED
Uncontrolled Keywords: antioxidant ; ascorbic acid ; morinda citrifolia l. ; phenolic
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 17 not found.
Date Deposited: 16 Oct 2018 08:01
Last Modified: 22 Jul 2020 07:32
URI: http://repository.uph.edu/id/eprint/1768

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