The antihyperglycemic activity of ethanolic extract from Salvia polystachya (EESpS) and its products was evaluated using in vivo, ex vivo and in silico assays; additionally, an acute toxicity assay was evaluated. EESpS was classified as a nontoxic class 5 drug. EESpS, ethyl acetate fraction (EtOAcFr), secondary-6-fraction (SeFr6), ursolic acid (UA), and oleanolic acid (OA) reduced the hyperglycemia in DM2 mice. α-glucosidase inhibition was evaluated with oral sucrose and starch tolerance tests (OSuTT and OStTT), an intestinal sucrose hydrolysis (ISH) assay and molecular docking studies using acarbose as control. SGLT1 inhibition was evaluated with oral glucose and galactose tolerance tests (OGTT and OGaTT), an intestinal glucose absorption (IGA) assay and molecular docking studies using canagliflozin as the control. During the carbohydrate tolerance tests, all the treatments reduced the postprandial peak, similar to the control drugs. During the ISH, IC50 values of 739.9 and 726.3 µM for UA and OA, respectively, were calculated. During the IGA, IC50 values of 966.6 and 849.3 for UA, OA respectively, were calculated. Finally, during the molecular docking studies, UA and OA showed ∆G values of −6.41 and −5.48 kcal/mol−1, respectively, on α-glucosidase enzymes. During SGLT1, UA and OA showed ∆G values of −10.55 and −9.65, respectively.
This paper examines the governance of local productive systems by articulating two fundamental concepts from geographical institutionalism: path dependency and contingency. We identify internal and external contingencies that have significantly impacted the development trajectory of pyrotechnic production in Tultepec, Mexico, giving rise to governance dynamics characterised by a lack of co‐ordination among local producer associations. Consequently, the main local institutional arrangements are controlled by particular interest groups. This limits the participation of local actors in defining national regulations relating to pyrotechnic production, resulting in a vertical/centralised law mainly defined by the state. We argue that improving the governance of the pyrotechnic productive system in Tultepec requires the co‐ordination of private and public actors at different territorial scales, in order to build up an inclusive regulatory framework which can take into consideration the diversity of local producers.
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