Molecularly imprinted polymer for specific extraction of hypericin from Hypericum perforatum L. herbal extract

Li, Zhaozhou; Qin, Chen; Li, Daomin; Yuze, Hou; Li, Songbiao; Sun, Junjie

doi:10.1016/j.jpba.2014.05.031

Cited by 45 publications

(27 citation statements)

References 39 publications

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“…The supernatants were filtered through 0.22 μm membrane filter and measured by HPLC. The adsorption capacity of MIPs ( Q , μg/g) was calculated with the following equation .

Q = (C_{0} - C_{s}) \times \frac{M \times V}{W}

…”

Section: Methodsmentioning

confidence: 99%

Molecularly imprinted polymer for the selective extraction of luteolin from Chrysanthemum morifolium Ramat

Gao

Yang

Xia

et al. 2016

J of Separation Science

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In this work, luteolin-imprinted polymers were prepared by noncovalent precipitation polymerization for the first time. Their structural features and morphologies were analyzed by using Fourier transform infrared spectroscopy and scanning electron microscopy, respectively. The adsorption experiments revealed that the luteolin-imprinted polymers presented high selective recognition property to luteolin. The selectivity experiment showed that the adsorption capacity and selectivity of polymers to luteolin was higher than that of three structural analogs, including quercetin, isorhamnetin, and ombuin. Furthermore, an efficient method based on luteolin-imprinted polymers coupled with solid-phase extraction was developed for the pretreatment of luteolin from Chrysanthemum morifolium Ramat. The results demonstrated that the luteolin-imprinted polymers coupled with solid phase extraction method was proven to be a potentially competitive technique for the separation and enrichment of luteolin in complex samples such as Chinese patent medicines and biological samples.

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“…The supernatants were filtered through 0.22 μm membrane filter and measured by HPLC. The adsorption capacity of MIPs ( Q , μg/g) was calculated with the following equation .

Q = (C_{0} - C_{s}) \times \frac{M \times V}{W}

…”

Section: Methodsmentioning

confidence: 99%

Molecularly imprinted polymer for the selective extraction of luteolin from Chrysanthemum morifolium Ramat

Gao

Yang

Xia

et al. 2016

J of Separation Science

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“…So far, the antibody-based ic-ELISA is generally believed to be a highly sensitive, specic and reliable method compared to detection based on other recognition elements, such as molecular imprinting polymers and aptamers. 12,13 To the best of our knowledge, no studies have been published regarding the preparation of a monoclonal antibody against ETP or the development of an immunoassay for simultaneous screening of ETP residues in edible animal tissues.…”

Section: Introductionmentioning

confidence: 99%

Development of an indirect competitive enzyme-linked immunosorbent assay for screening ethopabate residue in chicken muscle and liver

Wang

et al. 2017

RSC Adv.

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“…Different extraction methods such as maceration (4), solid phase extraction (8), and soxhelet extraction (7), using a wide variety of solvents, have been utilized to determine hypricin content of Hypericum perforatum; however, most of them are time consuming, use high volume of organic solvents, or need special equipment. Thus, the present study aimed at introducing a simple, rapid, and economic extraction and purification procedure for hypericin.…”

Section: Introductionmentioning

confidence: 99%

A Simple Method for Extraction and Purification of Hypericins from St John’s Wort

Ramezani

Zamani

2017

Jundishapur J Nat Pharm Prod

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Hypericin was extracted from Hypericum perforatum L. using a different extraction procedure. Highest amounts of hypericins were extracted by ultrasonic methods using methanol: acetone 2:1 as an extracting solvent. Hypericin contents of the extract was purified by passing it through 2 series of 70 × 5 mm glass columns, each filled with 800 mg of 35 -70 mesh silica gel, followed by elution with MeOH: acetone: CH2Cl2 (75:10:15). The extent of purification was determined by HPLC. The amount of purified hypericins, which was extracted from Hypericum perforatum, was 5.105 mg per gram dried plant leaves.

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Molecularly imprinted polymer for specific extraction of hypericin from Hypericum perforatum L. herbal extract

Cited by 45 publications

References 39 publications

Molecularly imprinted polymer for the selective extraction of luteolin from Chrysanthemum morifolium Ramat

Molecularly imprinted polymer for the selective extraction of luteolin from Chrysanthemum morifolium Ramat

Development of an indirect competitive enzyme-linked immunosorbent assay for screening ethopabate residue in chicken muscle and liver

A Simple Method for Extraction and Purification of Hypericins from St John’s Wort

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