DPPH is a cell-permeable, stable free radical that is commonly used to evaluate the ability of compounds to act as free radical scavengers or hydrogen donors and to measure the antioxidant activity of tissue extractsDPPH shows a strong absorption band at 517nm.

beta-Escin is a natural mixture of triterpenoid saponins isolated from horse chestnut (Aesculus hippocastanum) seeds.

Hydroxyprogesterone Caproate is a synthetic progestational agent. It binds to and activates nuclear progesterone receptors in the reproductive system and inhibits ovulation and an alteration in the cervical mucus and endometrium.