semisynthetic
Speech parts
1. semisynthetic - Noun
2. semisynthetic - Adjective
3. semisynthetic - Adjective Satellite
Meaning
not of natural origin; prepared or made artificially
Source: WordNetSynonyms
Antonyms
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man-made fibers
synthetic leather
By 1988 Poitier and collaborators had published a semisynthetic route from needles of T. baccata to taxol.sfn The view of the NCI, however, was even this route was not practical.
The isolation of 6-APA, the nucleus of penicillin, allowed for the preparation of semisynthetic penicillins, with various improvements over benzylpenicillin (bioavailability, spectrum, stability, tolerance).
History seeAlso Amoxicillin was one of several semisynthetic derivatives of 6-aminopenicillanic acid ( 6-APA ) developed at Beecham, England in the 1960s.
However, vitamins have been produced as commodity chemicals and made widely available as inexpensive semisynthetic and synthetic-source multivitamin dietary and food supplements and additives, since the middle of the 20th century.