Abstract: The present invention relates to an antihypertensive agent including a boysenberry seed extract as an active ingredient. According to the invention, there can be provided an effective and highly safe antihypertensive agent having antihypertensive effect so that the agent can contribute to the prevention and amelioration of hypertension and having very little risk of side effects even in continuous intake, and a method for producing the antihypertensive agent at low cost and efficiently.

Abstract: A packaging container has a container body formed of a shape substantially resembling an inverted cone. The packaging container can be set alone on a support surface and the contents, such as confectionery, of the packaging container can be removed without holding the packaging container by hand. The container package includes a container body formed of a shape substantially resembling an inverted cone and having a tapered end portion and an open end opposite the tapered end portion, a lid for hermetically sealing the container body, and a frustum-shaped exterior shell removably fitted on the container body. When the exterior shell fitted on the container body is removed from the container body and is inverted, and the tapered end portion of the container body is inserted into the inverted exterior shell, the container body is supported by the exterior shell. The container body is provided on its outer surface with protrusions.