PENGARUH UMUR PANEN DAN TINGKAT MASERASI TERHADAP KANDUNGAN KURKUMIN DAN AKTIVITAS ANTIOKSIDAN EKSTRAK KUNYIT (Curcuma domestica Val.)
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Abstract
This study aims to determine the effect of age harvest and maceration levels on curcumin
content and antioxidant activity of turmeric extract, and determine the age of harvest and
maceration on antioxidant activity. This study use a randomized complete block design (RCBD)
with two factor, the first factor consists of three ages of harvest (9, 10, and 11) months, and the
second factor consists of three levels of maceration (1, 2, and 3) times, treatments are grouped into
two based on the time of execution. The variables measured are: curcumin, the yield of the extract,
the antioxidant capacity with DPPH method, and total phenolic. The results showed that age of
harvest did not significantly affect the curcumin content. Age of harvest and maceration levels
significantly affect the yield of turmeric extract. Age of harvest and maceration levels also did not
significantly affect to the antioxidant capacity and total phenolic of turmeric extract. Age of harvest
to produce the highest yield of turmeric extract is age of harvest 11 months with yield 23,63%,
antioxidant capacity 6,60 (mg GAEAC / 100 g sample) and total phenolic 24,03 (mg GAE / 100 g
sample). Maceration level to produce the highest yield of turmeric extract is 3 times maceration
with yield 26,45%, antioxidant capacity 6,83 (mg GAEAC / 100 g sample) and total phenolic 23,92
(mg GAE / 100 g sample).
Keywords: turmeric, age harvest, level of maceration, curcumin, antioxidant activity
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