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: | Creators NIM Email ORCID Konius, Dennis Wiputra NIM03420110030 ANIMAKXI_3@YAHOO.COM UNSPECIFIED |
Contributors: | Contribution Contributors NIDN/NIDK Email Thesis advisor Cahyana, A. Herry NIDN0005075908 UNSPECIFIED Thesis advisor Mastuti, Titri Siratantri NIDN0320117902 UNSPECIFIED |
Additional Information: | SK 34-11 KON a |
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: | 20 Sep 2021 07:00 |
URI: | http://repository.uph.edu/id/eprint/1768 |