See Also: Wittig(dictionary)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
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5 alpha-dihydroprogesterone 3 alpha-hydroxysteroid oxidoreductase(medicine)
alpha-dextrin endo-1,6-alpha-glucosidase(medicine)
7 alpha-hydroxy-4-cholesten-3-one-12 alpha monooxygenase(medicine)
NAD 3 alpha-hydroxy-5 alpha-pregnan-20-one-oxidoreductase(medicine)

alpha-1 antichymotrypsin (medicine) and Wittig (iou)


alpha-1 antichymotrypsin (medicine)


alpha-1 antichymotrypsin
<chemical> Glycoprotein found in alpha(1)-globulin region in human serum. It is an inhibiter of the digestive protease, chymotrypsin and Other chymotrypsin-like proteinases in vivo and has cytotoxic killer-cell activity in vitro.

The protein also has a role as an acute-phase protein and is active in the control of immunologic and inflammatory processes, and as a tumour marker. It is a member of the serpin superfamily.

Pharmacological action: serine proteinase inhibitors.


Wittig (iou)



Wittig noun. M20.
[Georg Friedrich Karl Wittig (1897-1987), German chemist.]
Chemistry. Used attrib. to designate synthetic techniques introduced by Wittig.
Wittig reaction a method for the preparation of substituted alkenes utilizing the action of an alkyl phosphorus ylid on a carbonyl compound (aldehyde or ketone). Wittig rearrangement the conversion of benzyl or allyl ethers in the presence of a strong base to the corresponding secondary or tertiary alcohol.