oestrone

Butenandt named this substance folliculine, a designation which was later changed to oestrone.

Nobel Prize in Chemistry 1939 - Presentation Speech 1966

In 1932, Butenandt was able, from observations made in spectral analysis, and especially on the basis of the then established correct formula of cholesterol to draw up the formulae of the chemical structure of oestrone and oestriol.

Nobel Prize in Chemistry 1939 - Presentation Speech 1966

In the process of purification it proved that the male hormone behaved in many respects like oestrone; when he realized this, it made Butenandt's work considerably easier.

Nobel Prize in Chemistry 1939 - Presentation Speech 1966

Butenandt confirmed Marrian's discovery and explained the relationship between the new substance and oestrone.

Nobel Prize in Chemistry 1939 - Presentation Speech 1966

It differs from oestrone only in the additional content of 1 methyl group and 5 hydrogen atoms.

Nobel Prize in Chemistry 1939 - Presentation Speech 1966

Shortly after the discovery of oestrone, Marrian in London (1930) isolated from the urine of pregnant women a new hormone which he called oestriol.

Nobel Prize in Chemistry 1939 - Presentation Speech 1966

In 1929 he isolated oestrone in pure, crystalline form, almost at the same time that

Adolf Butenandt - Biography 1966

In 1929-1930 he succeeded in isolating oestrone, a feat independently accomplished at about the same time by Butenandt in

Edward A. Doisy - Biography 1964

From about the 40th day of pregnancy, the foetal-placental unit of pregnant mares start to produce increasing amounts of oestrone sulphate, which enters the mare's blood and urine.

Horsetalk.co.nz Headlines 2009

The two chemical hormones commonly measured to provide information on the pregnancy status of miniature mares are pregnant mare serum gonadotrophin (PMSG), which is frequently now called chorionic gonadotrophin (eCG), and oestrone sulphate (see main story for more information).

Horsetalk.co.nz Headlines 2009