• Korean Journal of Pharmacognosy
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• v.44 no.3
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• pp.305-311
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• 2013

Advanced glycation end products (AGEs) have been postulated to play a central role in the development of diabetic complications. A variety of different agents that inhibit AGEs have been under investigation. In this study, 54 herbal medicines from China have been investigated with an in vitro evaluation system using AGEs formation inhibitory activity. Of these, 6 herbal medicines ($IC_{50}<5{\mu}g/ml$) were found to have significant AGEs formation inhibitory activity. Particularly, herbal medicines Punica granatum (peels), Terminalia chebula (fruits), Rheum palmatum (roots), Oxyria digyna (stems and leaves), Anisodus luridus (roots) and Quercus schottkyana(stems and leaves) showed more potent inhibitory activity (approximately 9-43 fold) than the positive control aminoguanidine ($IC_{50}=77.04{\mu}g/ml$).

• Korean Journal of Pharmacognosy
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• v.44 no.3
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• pp.298-304
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• 2013

In this study, 64 Korean herbal medicines have been investigated with an in vitro evaluation systems using glycation end products (AGEs) formation inhibitory activity. Of these, 30 herbal medicines ($IC_{50}<50{\mu}g/ml$) were found to have significant AGEs formation inhibitory activity. Of these, four herbal medicines ($IC_{50}<5{\mu}g/ml$) were found to have significant AGEs formation inhibitory activity. Particularly, Cornus controversa (branches and leaves), Acer ginnala (stems and leaves), Platycarya strobilacea (flowers) and Picrasma quassioides (stems), showed more potent inhibitory activity (approximately 17-27 fold) than the positive control aminoguanidine ($IC_{50}=77.04{\mu}g/ml$).

• Korean Journal of Pharmacognosy
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• v.44 no.2
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• pp.161-167
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• 2013

Aldose reductase (AR) has been shown to play an important role in the development of the diabetic complications. To discover novel treatments for diabetic complications from natural sources, 59 Chinese herbal medicines have been investigated for inhibitory activities on AR. Among them, 10 herbal medicines, Catalpa fargesii (stem and leaf), Saussurea Laniceps(whole plant), Alnus nepalensis(stem and leaf), Swertia macrosperma (whole plant), Woodfordia fruticosa (stem and leaf), Elsholtzia bodinieri (whole plant), Elsholtzia fruticosa (whole plant), Rosa multiflora (fruit), Nardostachys chinensis (whole plant), Eurya groffii (stem and leaf) exhibited a significant inhibitory activity compared with 3,3-tetramethyleneglutaric acid (TMG) as positive control. Particularly, 4 herbal medicines, C. fargesii (stem and leaf), S. Laniceps (whole plant), A. nepalensis (stem and leaf), S. macrosperma (whole plant) showed two times more potent inhibitory activity than TMG ($5.37{\mu}g/ml$).

• Korean Journal of Pharmacognosy
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• v.45 no.4
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• pp.366-375
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• 2014

Aldose reductase (AR) has been indicated the critical enzyme of the polyol pathway in the development of the diabetic complications. In this study, 119 Vietnamese herbal medicines have been investigated for inhibitory activities on AR. Among them, 7 herbal medicines, Synedrella nodiflora (stems and leaves), Combretum sundaicum (stems and leaves), Argyreia acuta (stems and leaves), Platea latifolia (whole plants), Linociera sangda (whole plants), Rhaphiolepis indica (whole plants), Harrisonia perforata (stems and leaves) and 2 fractions from Harrisonia perforata (stems and leaves) with EtOAc and BuOH, exhibited a significant inhibitory activity against AR. Particularly, S. nodiflora, A. acuta and H. perforata (stems and leaves) showed 1.0-1.8 times more potent inhibitory activity than the positive control, 3,3-tetramethyleneglutaric acid (TMG).

• The Journal of Internal Korean Medicine
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• v.40 no.6
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• pp.1063-1080
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• 2019

Objectives: With the aging of the population, the incidence of a variety of diseases is increasing. Cerebrovascular disease is a major cause of mortality worldwide and therefore requires timely treatment and management. We aimed to evaluate the clinical effectiveness of herbal medicines in treating cerebrovascular disease by screening the most frequently prescribed herbal medicines and analyzing the clinical data of patients with cerebrovascular disease taking these medicines. Methods: In this retrospective study, we analyzed the electronic medical records of patients with cerebrovascular disease who received herbal medication at the Pusan National University Korean Medical Hospital from 10 March 2010 to 31 March 2017. The inclusion criteria were as follows: diagnosis of cerebrovascular disease, use of frequently prescribed herbal medicines, available records of laboratory tests and functional evaluation that was conducted within two weeks before and after admission and discharge, and herbal medicine usage exceeding half the period of hospitalization. Results: Of the total patients with cerebrovascular disease, the number of patients analyzed in this study was 49. There were some changes in the various variables examined after frequently used herbal medicines had been taken, such as complete blood count, liver function test, lipid test, and functional evaluation. No serious adverse events related to herbal medicine were found in this study. Conclusions: We concluded that herbal medicines frequently used for cerebrovascular disease may have some clinical effectiveness. However, because of the retrospective nature of this study and only one hospital involved, the generalizability of our findings is limited.

• Korean Journal of Pharmacognosy
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• v.40 no.4
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• pp.388-393
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• 2009

Advanced glycation end products (AGEs) have been implicated in the development of diabetic complications. The AGEs inhibitors or cross-link breakers attenuate various functional and structural manifestations of diabetic complications. In this study, 64 herbal medicines from China and Vietnam have been investigated with an in vitro evaluation system using AGEs inhibitory activity. Of these, eight herbal medicines ($IC_{50}$<50 ${\mu}g$/ml) were found to have strong AGEs inhibitory activity compared with aminoguanidine (14 days, $IC_{50}$=75.98 ${\mu}g$/ml; 28 days, $IC_{50}$=88.27 ${\mu}g$/ml). Particularly, four herbal medicines, Buddleja officinalis (whole plant), Syzygium cuminii (leaf), Eugenia caryophyllate (seed), and Paeonia suffruticosa (root) showed more potent inhibitory activity (approximately 5-6 fold) than the positive control aminoguanidine.

• Korean Journal of Pharmacognosy
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• v.46 no.3
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• pp.260-267
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• 2015

Advanced glycation end products (AGEs) have been postulated to play a central role in the development of diabetic complications. A variety of different agents that inhibit AGEs have been under investigation. In this study, 111 herbal medicines from China have been investigated with an in vitro evaluation system using AGEs formation inhibitory activity. Of these, 9 herbal medicines (IC₅₀: <5 μg/ml) were found to have significant AGEs formation inhibitory activity. Particularly, herbal medicines Barleria cristata (leaves), Calotropis gigantea (stems), Ardisia virens (leaves), Dalbergia yunnanensis (leaves) Pittosporum runcatum (leaves), Ardisia japonica (leaves), Rhododendron racemosum (twigs), Oxyria sinensiss (aerial parts), Pyrrosia calvata (whole plants), showed more potent inhibitory activity (approximately 15-40 fold) than the positive control aminoguanidine (IC₅₀: 76.47 μg/ml).

• Korean Journal of Pharmacognosy
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• v.42 no.1
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• pp.46-53
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• 2011

Advanced glycation end products (AGEs) have been postulated to play a central role in the development of diabetic complications. A variety of different agents that inhibit AGEs have been under investigation. In this study, 66 herbal medicines from China have been investigated with an in vitro evaluation system using AGEs formation inhibitory activity. Of these, 31 herbal medicines ($IC_{50}$ < $50\;{\mu}g/ml$) were found to have significant AGEs formation inhibitory activity. Particularly, 5 herbal medicines, Camptotheca acuminata (branches and leaves), Quercus franchetii (branches), Camellia pitardii (leaves, branches, and fruits), Antidesma bunius (whole plants), and Loranthus parasiticus (whole plants) showed more potent inhibitory activity (approximately 6-20 fold) than the positive control aminoguanidine ($IC_{50}=52.96\;{\mu}g/ml$).

• Korean Journal of Pharmacognosy
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• v.42 no.2
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• pp.161-168
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• 2011

Advanced glycation end products (AGEs) has been shown to play an important role in the development of the diabetic complications. The AGEs inhibitors or cross-link breakers attenuate various functional and structural manifestations of diabetic complications. In this study, 69 China herbal medicines have been investigated with an in vitro evaluation system using AGEs inhibitory activity. Of these, 28 herbal medicines $IC_{50}$=<50 ${\mu}g/ml$) were found to have stronger AGEs inhibitory activity compared with aminoguanidine ($IC_{50}$=59.77 ${\mu}g/ml$). Particularly, 5 herbal medicines, Camptotheca acuminata (stem, leaf), Eurya groffii (stem, leaf), Cornus Capitata (leaf), Mucuna birdwoodiana (root), Nelumbo nucifera (fruit, seed) showed more potent inhibitory activity (approximately 6-27 fold) than the positive control aminoguanidine.

• Korean Journal of Pharmacognosy
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• v.42 no.4
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• pp.371-378
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• 2011

Aldose reductase (AR) has been implicated in the development of the diabetic complications. To discover novel treatments for diabetic complications from natural sources, 65 Korean herbal medicines have been investigated for inhibitory activities on AR. Of these, 23 herbal medicines exhibited a significant inhibitory activity compared with 3,3-tetramethyleneglutaric acid (TMG). Particularly, 8 herbal medicines, Acer tataricum (twig, stem and leaf), Acer tataricum (fruit), Rhododendron schlippenbachii (twig, stem and leaf), Weigela subsessilis (twig, stem and leaf), Acer mono (branch and leaf), Ailanthus altissima (twig, stem and leaf), Lindera obtusiloba (branch and leaf), Solidago serotina (whole plant) showed three times more potent inhibitory activity than the positive control, TMG.