Fitokimia, Kadar Fenolik Total, dan Flavonoid Total serta Aktivitas Antioksidan Ekstrak n-Heksana Rimpang Temu Hitam (Curcuma aeruginosa Roxb)

Jurnal Riset Kimia Pub Date : 2023-10-17 DOI:10.25077/jrk.v14i2.599

Auliya Ilmiawati, Ika Resmeiliana, None Ishika Jauza Nasywa, None Fadia Fahira, None Nafisa Muthia Wafa, None M. Raffi Rayandhika, None Andi Thaariq Muhammad, None Arini Septianti, None Hafizah Fatunisa

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Abstract

The rhizome of black turmeric (Curcuma aeruginosa) is a plant rich in benefits and has been used as a herbal medicine to treat various health problems. This study aims to obtain the n-hexane extract of black turmeric rhizome and perform phytochemical tests, determine total phenolic and total flavonoid levels, as well antioxidant tests using the DPPH method. Extraction of n-hexane from black turmeric rhizome obtained yield of 4.88%, total phenolic content of 3.01 mg QE/g extract and total flavonoids of 6.31 mg QE/g extract. The phytochemical test obtained positive results for the presence of alkaloids and flavonoids; negative tannins, steroids/triterpenoids and saponins. Antioxidant tests using the DPPH method obtained the percentage of DPPH capture ranging from 76-78%, with the largest percentage value obtained when the extract concentration was 125 ppm, which was 78.02%. This shows that black turmeric n-hexane extract has weak antioxidant activity.

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植物化学、总酚含量、总类黄酮和总抗氧化剂活性

黑姜黄(Curcuma aeruginosa)的根茎是一种富含益处的植物，已被用作治疗各种健康问题的草药。本研究旨在获得黑姜黄根茎正己烷提取物，并采用DPPH法进行植物化学试验，测定总酚和总黄酮水平，并进行抗氧化试验。从黑姜黄根茎中提取正己烷，得率为4.88%，总酚含量为3.01 mg QE/g，总黄酮含量为6.31 mg QE/g。植物化学检测结果为生物碱和黄酮类化合物阳性;负单宁，类固醇/三萜和皂苷。采用DPPH法进行抗氧化试验，得到DPPH的捕获率为76 ~ 78%，其中提取液浓度为125 ppm时捕获率最大，为78.02%。说明黑姜黄正己烷提取物具有较弱的抗氧化活性。

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Jurnal Riset Kimia

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审稿时长

12 weeks