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Published on: November 7, 2018
[Study on the enzyme extraction process of hypericin by pectinase]
Peng-fei Hao1, Gao-ming Lei, Fu-gang Liu
1Henan University of TCM, Zhengzhou 450008, China. hpf_880129@163.com
Zhong Yao Cai = Zhongyaocai = Journal of Chinese Medicinal Materials
|November 10, 2011
Summary
Pectinase is the optimal enzyme for Hypericin extraction from Hypericum perforatum. Optimized conditions include a pH of 4.6, 50°C, and a 15:1 liquid-solid ratio for efficient extraction.
Area of Science:
- Phytochemistry
- Biotechnology
Background:
- Hypericum perforatum (St. John's Wort) contains valuable bioactive compounds.
- Hypericin is a key compound with therapeutic potential.
- Efficient extraction methods are crucial for isolating Hypericin.
Purpose of the Study:
- To identify the most effective enzyme for Hypericin extraction.
- To determine the optimal conditions for maximizing Hypericin yield.
Main Methods:
- Enzyme screening (Pectinase, Xylanase, Glucanase, beta-Glucanase, SPE-007A).
- Optimization using L9 (3^4) orthogonal design.
- Parameters investigated: pH, temperature, enzyme dosage, extraction time, solid-liquid ratio.
Main Results:
- Pectinase was identified as the superior enzyme.
- Optimal extraction conditions: pH 4.6, 50°C, 1.5% enzyme dosage, 5-hour extraction time, 15:1 liquid-solid ratio.
Conclusions:
- The developed method using Pectinase is efficient and stable.
- This optimized extraction process is suitable for future research on Hypericum perforatum.

