桑椹提取副产物作为单宁和芦丁来源固态发酵生产没食子酸、异槲皮素和槲皮素

IF 1.6 4区生物学 Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Chemical and Biochemical Engineering Quarterly Pub Date : 2022-07-26 DOI:10.15255/cabeq.2021.1967

T. Chysirichote, Pattarabhorn Pakaweerachat

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引用次数: 0

摘要

以黑曲霉发酵生产没食子酸、异槲皮素和槲皮素为底物，研究了三倍子提取物的副产物。结果表明，BTP是鞣质和芦丁的良好来源。然而，黑曲霉对BTP作为唯一底物的活性非常低。研究发现，补充硝基来源是提高单宁转化为没食子酸、芦丁转化为异槲皮素或异槲皮素和槲皮素的关键。在本研究中，0.75%硝酸钠的BTP被认为是生产没食子酸和异槲皮素的最佳补充氮源，其含量最高，分别为61.6±2.16 mg g–1DS和3.27±0.29 mg g–1DS。此外，以甲醇为提取溶剂的超声辅助提取没食子酸、异槲皮素和槲皮素的提取率最高，为12.24±2.12 mg g–1DS，比未经超声辅助提取的提取率（8.84±1.12 mg g–1DS）高约0.5倍。

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Byproduct from Triphala Extraction as Tannin and Rutin Sources for Production of Gallic Acid, Isoquercetin and Quercetin by Solid-State Fermentation

Byproduct from Triphala extraction process (BTP) was studied as a substrate for gallic acid, isoquercetin and quercetin production by Aspergillus niger fermentation in this research. The results showed that BTP was a good source of tannin and rutin. Neverthe less, the activity of A. niger on BTP as a sole substrate was very low. Supplementing nitro gen sources was found to be a key to enhancing conversion of tannin to gallic acid, and rutin to isoquercetin or isoquercetin and quercetin. BTP with 0.75 % sodium nitrate was sug gested to be an optimal supplemented nitrogen source for the production of gallic acid and isoquercetin in this research, which yielded the highest contents of 61.6±2.16 mg g –1DS and 3.27±0.29 mg g –1DS , respectively. In addition, the highest extraction yields of gallic acid, isoquercetin and quercetin were obtained by an ultrasoundassisted extraction using methanol as an extraction solvent as 12.24±2.12 mg g –1DS which was around 0.5 time higher than the one without ultrasoundassisted extraction (8.84±1.12 mg g –1DS ).

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来源期刊

Chemical and Biochemical Engineering Quarterly 工程技术-工程：化工

CiteScore

2.70

自引率

6.70%

发文量

审稿时长

>12 weeks

期刊介绍： The journal provides an international forum for presentation of original papers, reviews and discussions on the latest developments in chemical and biochemical engineering. The scope of the journal is wide and no limitation except relevance to chemical and biochemical engineering is required. The criteria for the acceptance of papers are originality, quality of work and clarity of style. All papers are subject to reviewing by at least two international experts (blind peer review). The language of the journal is English. Final versions of the manuscripts are subject to metric (SI units and IUPAC recommendations) and English language reviewing. Editor and Editorial board make the final decision about acceptance of a manuscript. Page charges are excluded.