Senyawa Katekin (Flavonoid) dari Kulit Batang Chisocheton balancae C.DC (Meliaceae)
DOI:
https://doi.org/10.35799/jis.v21i2.35777Abstract
Senyawa katekin (flavonoid) dengan rumus molekul C15H14O6  telah diisolasi dari kulit batang chisocheton balancae C.DC (Meliacea). Penelitian ini bertujuan untuk mendapatkan senyawa katekin (flavonoid). Sampel dimaserasi dengan metanol dan dipartisi dengan pelarut etil asetat. Hasil partisi etil asetat dipisahkan dengan teknik kromatografi dan dihasilkan isolat murni berupa kristal berwarna putih (5,5 mg) dengan titik leleh 175-1770C dengan serapan maksimum pada panjang gelombang 280,30 nm. Struktur kimia senyawa katekin  diidentifikasi dari  data-data spektroskopi meliputi 1H-NMR, 13C-NMR dan DEPT 1350, serta perbandingan dengan data spektroskopi yang diperoleh dari literatur. Hasilnya menunjukkan bahwa kulit batang Chisocheton balancae C.DC (Meliaceae) merupakan senyawa katekin (flavonoid).Kata kunci: Chisocheton balancae C.DC; katekin ; meliaceae
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Catechin Compound (Flavonoid) from Chisocheton balancae C.DC (Meliaceae) Bark
ABSTRACT
A catechin compound (flavonoid) with the molecular formula C15H14O6 has been isolated from Chisocheton balancae C.DC (Meliacee) bark. This study aims to determine the chemical structure of catechins (flavonoids).  The sample is macerated with methanol and partitioned with ehtyl acetate as solvent. The results of the partitioning of ethyl acetate were separated by chromatographic techniques and pure isolates were produced in the form of white crystals (as much as 5,5 mg) with a melting point of 175-1770C and maximum absorption at a wavelength of 280,30 nm. The chemical structure of catechin compound was identified on the basis of spectroscopic data including 1H-NMR, 13C-NMR and DEFT 1350 as well as comparison with spectroscopic data obtained from the literature. The results shows that the bark of  Chisocheton balancae C.DC (Meliaceae) contained catechin compound.
Keywords: Catechin; meliaceae; Chisocheton balancae C.DC
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