Potential of Myrtus communis Linn. as a bifunctional food: Dual high-resolution PTP1B and α-glucosidase inhibition profiling combined with HPLC-HRMS and NMR for identification of antidiabetic triterpenoids and phloroglucinol derivatives

Chao Liang; Dan Stærk; Kenneth Thermann Kongstad

Potential of Myrtus communis Linn. as a bifunctional food: Dual high-resolution PTP1B and α-glucosidase inhibition profiling combined with HPLC-HRMS and NMR for identification of antidiabetic triterpenoids and phloroglucinol derivatives

Chao Liang, Dan Stærk, Kenneth Thermann Kongstad

Abstract

Myrtus communis Linn., an aromatic shrub widely distributed in Mediterranean littoral, is traditionally used as a culinary herb and for manufacturing of the local Sardinian liquor, Mirto. In this study, the potential for developing M. communis into a functional food to treat type-2-diabetes (T2D) was investigated. Antidiabetic constituents in crude defatted chloroform extract of M. communis was pinpointed by dual high-resolution PTP1B and α-glucosidase inhibition profiling. Subsequent analytical-scale HPLC separation led to isolation and identification of 14 triterpenoids and three phloroglucinol derivatives associated with PTP1B and/or α-glucosidase inhibitory activity with IC50 values in the range of 8.9-69.4 μM and 34.3-88.5 μM, respectively. We also report three previously undescribed phloroglucinol derivatives. This is the first report of PTP1B inhibitors in M. communis, and the identification of both PTP1B and α-glucosidase inhibitors, demonstrates the potential of M. communis as a bifunctional food for management of TD2.

Originalsprog	Engelsk
Tidsskrift	Journal of Functional Foods
ISSN	1756-4646
Status	Accepteret/In press - 2019

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Potential of Myrtus communis Linn. as a bifunctional food: Dual high-resolution PTP1B and α-glucosidase inhibition profiling combined with HPLC-HRMS and NMR for identification of antidiabetic triterpenoids and phloroglucinol derivatives. / Liang, Chao ; Stærk, Dan ; Kongstad, Kenneth Thermann.
I: Journal of Functional Foods, 2019.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › peer review

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title = "Potential of Myrtus communis Linn. as a bifunctional food: Dual high-resolution PTP1B and α-glucosidase inhibition profiling combined with HPLC-HRMS and NMR for identification of antidiabetic triterpenoids and phloroglucinol derivatives",

abstract = "Myrtus communis Linn., an aromatic shrub widely distributed in Mediterranean littoral, is traditionally used as a culinary herb and for manufacturing of the local Sardinian liquor, Mirto. In this study, the potential for developing M. communis into a functional food to treat type-2-diabetes (T2D) was investigated. Antidiabetic constituents in crude defatted chloroform extract of M. communis was pinpointed by dual high-resolution PTP1B and α-glucosidase inhibition profiling. Subsequent analytical-scale HPLC separation led to isolation and identification of 14 triterpenoids and three phloroglucinol derivatives associated with PTP1B and/or α-glucosidase inhibitory activity with IC50 values in the range of 8.9-69.4 μM and 34.3-88.5 μM, respectively. We also report three previously undescribed phloroglucinol derivatives. This is the first report of PTP1B inhibitors in M. communis, and the identification of both PTP1B and α-glucosidase inhibitors, demonstrates the potential of M. communis as a bifunctional food for management of TD2.",

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AU - Liang, Chao

AU - Stærk, Dan

AU - Kongstad, Kenneth Thermann

PY - 2019

Y1 - 2019

N2 - Myrtus communis Linn., an aromatic shrub widely distributed in Mediterranean littoral, is traditionally used as a culinary herb and for manufacturing of the local Sardinian liquor, Mirto. In this study, the potential for developing M. communis into a functional food to treat type-2-diabetes (T2D) was investigated. Antidiabetic constituents in crude defatted chloroform extract of M. communis was pinpointed by dual high-resolution PTP1B and α-glucosidase inhibition profiling. Subsequent analytical-scale HPLC separation led to isolation and identification of 14 triterpenoids and three phloroglucinol derivatives associated with PTP1B and/or α-glucosidase inhibitory activity with IC50 values in the range of 8.9-69.4 μM and 34.3-88.5 μM, respectively. We also report three previously undescribed phloroglucinol derivatives. This is the first report of PTP1B inhibitors in M. communis, and the identification of both PTP1B and α-glucosidase inhibitors, demonstrates the potential of M. communis as a bifunctional food for management of TD2.

AB - Myrtus communis Linn., an aromatic shrub widely distributed in Mediterranean littoral, is traditionally used as a culinary herb and for manufacturing of the local Sardinian liquor, Mirto. In this study, the potential for developing M. communis into a functional food to treat type-2-diabetes (T2D) was investigated. Antidiabetic constituents in crude defatted chloroform extract of M. communis was pinpointed by dual high-resolution PTP1B and α-glucosidase inhibition profiling. Subsequent analytical-scale HPLC separation led to isolation and identification of 14 triterpenoids and three phloroglucinol derivatives associated with PTP1B and/or α-glucosidase inhibitory activity with IC50 values in the range of 8.9-69.4 μM and 34.3-88.5 μM, respectively. We also report three previously undescribed phloroglucinol derivatives. This is the first report of PTP1B inhibitors in M. communis, and the identification of both PTP1B and α-glucosidase inhibitors, demonstrates the potential of M. communis as a bifunctional food for management of TD2.

M3 - Journal article

SN - 1756-4646

JO - Journal of Functional Foods

JF - Journal of Functional Foods

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