求翻译：南瓜提取物通过刺激胰岛细胞增加胰岛素的分泌，通过胰岛素对中枢和外周的作用，即促进合成代谢，抑制分解代谢，从而起降低血糖的作用。是什么意思？

正在翻译，请等待...

Pumpkin extract stimulates the blood flow to the Langerhans cells increase insulin secretion by insulin, and the central and peripheral role, which is to promote synthetic metabolism and inhibit decomposition metabolism and thus a lower blood sugar.

Pumpkin extraction through stimulation island of langerhans cell increase insulin secretion, through insulin to main center and circumference function, namely promotion synthesis metabolism, suppression catabolism, thus take off and landing hypoglycemia function.

Pumpkin extract by stimulating insulin secretion of islet cells to increase, through the action of insulin on Central and peripheral, promote metabolism, inhibit catabolism, which reduce blood sugar.

正在翻译，请等待...