1.4.1.4.6 Comprising of Diversified Chemical Entity: The naturally occurring plant products invariably represent a class of entirely diversified chemical entity and nature. A few typical examples are cited below:
(a) Thiamine Hydrochloride (Syn: Vitamin B1; Aneurine Hydrochloride; Bivatin;
Metabolin; Bedome; Bewon): It occurs abuntantly in plant and animal tissues, notably in rice husk, cereal grains, eggs, milk, green leaves, yeast, liver, tubers and roots.
(b) Ascorbic Acid (Syn: Vitamin C; Cantaxin; Cevalin): It is widely distributed in the plant and animal kingdom. However, the good sources are fresh tea-leaves, citrus fruits, hip berries and acerola. It was isolated from lemons and paparika.
(c) Chloramphenicol (Syn: Chloromycetin; Levomycetin; Klorita): It is a broad-spetrum antibiotic obtained from cultures of the soil bacterium Streptomyces venezualae.
(d) Penicillium O (Syn: Panicillium AT): It is an antibiotic produced by Penicillium chrysogenum.
REFERENCES
Ashutosh Kar (2003), Pharmacognosy and Pharmaco biotechnology, 2nd Edition
‘Handbook of Medicinal Herbs’ (2001), J.A. Duke, CRC-Press, London, 1st Edn.
William Charles Evans (2002), Trease and Evans Pharmacognosy 15th Edition by: Trease, Bailliere Tindall; Evans.
Ramstad (1956), E., ‘Modern Pharmacognosy’, McGraw Hill, London.
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