Detecting human sex hormones in plants

US scientists say they found progesterone, a female sex hormone that maintains the development of the fetus, in plants.

US scientists say they found progesterone, a female sex hormone that maintains the development of the fetus, in plants.

Picture 1 of Detecting human sex hormones in plants

Progesterone exists in walnuts.Photo: crocus.co.uk.

Scientists have long believed that only animals can produce progesterone. A hormone secreted by the ovaries, progesterone helps the uterus prepare for pregnancy and maintain pregnancy. Progestin, a synthetic form of progesterone, is used in birth control pills and other medications.

Science Daily said that Guido F. Pauli - a doctor of the University of Medicine, Chicago, USA - and colleagues used nuclear resonators and large spectrophotometers to search for progesterone in the leaves of plants. Common walnuts and British walnut trees.

On February 7, the team announced that progesterone actually exists in walnut leaves. Pauli believes that this finding is of great significance.

"While the role of progesterone has been studied a lot in animals, it is almost impossible to find in plants , " Pauli said.

The team thinks that progesterone - like other steroid hormones - may be a controlling factor that evolved billions of years ago when animals and plants appeared on the earth. The new discovery could change the perception of progesterone evolution and function in organisms.

Previously, scientists have identified a form of progesterone-like material in plants and thought that the hormone itself may exist in plants. But so far they have not really found it. In addition to the progesterone in the leaves of walnut plants, Pauli group also found five types of progesterone-related steroids in a plant belonging to the yellow buttercup family.

The study was published in the journal Natural Products of the American Chemical Society.

Update 17 December 2018
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