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Nam YH, Hong BN, Rodriguez I, Park MS, Jeong SY, Lee YG, Shim JH, Yasmin T, Kim NW, Koo YT, Lee SH, Paik DH, Jeong YJ, Jeon H, Kang SC, Baek NI, Kang TH. Steamed Ginger May Enhance Insulin Secretion through K ATP Channel Closure in Pancreatic β-Cells Potentially by Increasing 1-Dehydro-6-Gingerdione Content. Nutrients 2020; 12:E324. [PMID: 31991895 PMCID: PMC7071297 DOI: 10.3390/nu12020324] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 01/22/2020] [Accepted: 01/23/2020] [Indexed: 02/07/2023] Open
Abstract
Ginger (Zingiber officinale Roscoe) and its active compounds (gingerols, shogaols and paradols) have been reported as having beneficial functions for several diseases, including diabetes. In this study, we revealed that the steaming process could enhance the anti-diabetic potential of ginger. To confirm the anti-diabetic effect of steamed ginger extract (GG03), we assessed pancreatic islets impaired by alloxan in zebrafish and demonstrated anti-hyperglycemic efficacy in a mouse model. The EC50 values of ginger extract (GE) and GG03 showed that the efficacy of GG03 was greater than that of GE. In addition, LC50 values demonstrated that GG03 had lower toxicity than GE, and the comparison of the Therapeutic Index (TI) proved that GG03 is a safer functional food. Furthermore, our data showed that GG03 significantly lowered hyperglycemia in a diabetic mouse model. HPLC was performed to confirm the change in the composition of steamed ginger. Interestingly, GG03 showed a 375% increase in 1-dehydro-6-gingerdione (GD) compared with GE. GD has not yet been studied much pharmacologically. Thus, we identified the protective effects of GD in the damaged pancreatic islets of diabetic zebrafish. We further assessed whether the anti-diabetic mechanism of action of GG03 and GD involves insulin secretion. Our results suggest that GG03 and GD might stimulate insulin secretion by the closure of KATP channels in pancreatic β-cells.
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Affiliation(s)
- Youn Hee Nam
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Gyeonggi-do, Korea; (Y.H.N.); (B.N.H.); (I.R.); (M.S.P.); (S.Y.J.); (Y.-G.L.); (J.H.S.); (T.Y.); (N.W.K.); (S.C.K.); (N.-I.B.)
| | - Bin Na Hong
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Gyeonggi-do, Korea; (Y.H.N.); (B.N.H.); (I.R.); (M.S.P.); (S.Y.J.); (Y.-G.L.); (J.H.S.); (T.Y.); (N.W.K.); (S.C.K.); (N.-I.B.)
| | - Isabel Rodriguez
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Gyeonggi-do, Korea; (Y.H.N.); (B.N.H.); (I.R.); (M.S.P.); (S.Y.J.); (Y.-G.L.); (J.H.S.); (T.Y.); (N.W.K.); (S.C.K.); (N.-I.B.)
| | - Min Seon Park
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Gyeonggi-do, Korea; (Y.H.N.); (B.N.H.); (I.R.); (M.S.P.); (S.Y.J.); (Y.-G.L.); (J.H.S.); (T.Y.); (N.W.K.); (S.C.K.); (N.-I.B.)
| | - Seo Yule Jeong
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Gyeonggi-do, Korea; (Y.H.N.); (B.N.H.); (I.R.); (M.S.P.); (S.Y.J.); (Y.-G.L.); (J.H.S.); (T.Y.); (N.W.K.); (S.C.K.); (N.-I.B.)
| | - Yeong-Geun Lee
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Gyeonggi-do, Korea; (Y.H.N.); (B.N.H.); (I.R.); (M.S.P.); (S.Y.J.); (Y.-G.L.); (J.H.S.); (T.Y.); (N.W.K.); (S.C.K.); (N.-I.B.)
| | - Ji Heon Shim
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Gyeonggi-do, Korea; (Y.H.N.); (B.N.H.); (I.R.); (M.S.P.); (S.Y.J.); (Y.-G.L.); (J.H.S.); (T.Y.); (N.W.K.); (S.C.K.); (N.-I.B.)
| | - Tamanna Yasmin
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Gyeonggi-do, Korea; (Y.H.N.); (B.N.H.); (I.R.); (M.S.P.); (S.Y.J.); (Y.-G.L.); (J.H.S.); (T.Y.); (N.W.K.); (S.C.K.); (N.-I.B.)
| | - Na Woo Kim
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Gyeonggi-do, Korea; (Y.H.N.); (B.N.H.); (I.R.); (M.S.P.); (S.Y.J.); (Y.-G.L.); (J.H.S.); (T.Y.); (N.W.K.); (S.C.K.); (N.-I.B.)
| | - Young Tae Koo
- Kwang-Dong Pharmaceutical Co., Ltd., Seoul 06650, Korea; (Y.T.K.); (S.H.L.); (D.-H.P.)
| | - Sang Hun Lee
- Kwang-Dong Pharmaceutical Co., Ltd., Seoul 06650, Korea; (Y.T.K.); (S.H.L.); (D.-H.P.)
| | - Dong-Hyun Paik
- Kwang-Dong Pharmaceutical Co., Ltd., Seoul 06650, Korea; (Y.T.K.); (S.H.L.); (D.-H.P.)
| | - Yong Joon Jeong
- Research Institute, Genencell Co. Ltd., Yongin 16950, Gyeonggi-do, Korea; (Y.J.J.); (H.J.)
| | - Hyelin Jeon
- Research Institute, Genencell Co. Ltd., Yongin 16950, Gyeonggi-do, Korea; (Y.J.J.); (H.J.)
| | - Se Chan Kang
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Gyeonggi-do, Korea; (Y.H.N.); (B.N.H.); (I.R.); (M.S.P.); (S.Y.J.); (Y.-G.L.); (J.H.S.); (T.Y.); (N.W.K.); (S.C.K.); (N.-I.B.)
| | - Nam-In Baek
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Gyeonggi-do, Korea; (Y.H.N.); (B.N.H.); (I.R.); (M.S.P.); (S.Y.J.); (Y.-G.L.); (J.H.S.); (T.Y.); (N.W.K.); (S.C.K.); (N.-I.B.)
| | - Tong Ho Kang
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Gyeonggi-do, Korea; (Y.H.N.); (B.N.H.); (I.R.); (M.S.P.); (S.Y.J.); (Y.-G.L.); (J.H.S.); (T.Y.); (N.W.K.); (S.C.K.); (N.-I.B.)
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