Papain Actinic Properties

Papain is an beneath acidic, aloof and acrid proteases ambiance can breach down proteins. Its actualization is white to ablaze chicken powder, hardly hygroscopic; Papain attenuated in baptize and glycerin, baptize is achromatic or anemic yellow, sometimes alabaster white, in alcohol, chloroform and ether and added amoebic solvents about insoluble.

Papain is a thiol (SH) peptide alternation endonuclease agitator protease and esterase activity, a broader specificity, beastly and vegetable proteins, peptides, esters, amides, which are a able hydrolysis, but hardly addle peptone.

(May be in usually 3 to 9.5) The a lot of acceptable pH 6-7, which includes the role of papain at aloof or acerb isoelectric point (pI) of 8.75; (Normally 10 ~ 85 ℃ can) papain the a lot of acceptable temperature of 55 ~ 65 ℃, the calefaction attrition at 90 ℃, it will not be absolutely inactivated; Suppression of acid agents to actuate abbreviation substances.

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from: Pharmaceutical Ingredients