Assessment of microplastics pollution level on clam farming and bathing beaches: a case study of Thanh Phu in Ben Tre, Vietnam.

This study focused on the investigation microplastics (MPs) with a size of ≤1.0 mm in sand samples from Thanh Phu beach, Ben Tre, Vietnam. MPs in sand from the clam beach (from 39.

Heptaellipside A, a rare new 2,28-bidesmosidic lupane-type saponin from the leaves of .

For the first time, phytochemical constituents of the leaves of were investigated. One rare new 2,28-bidesmosidic lupane-type saponin, named heptaellipside A (), along with four other lupane-type analogs () were purified by combining differently chromatographic methods. All of the separated compounds () were communicated for the first time from .