4
PRELIMINARY OBSERVATIONS,
inferior value are substituted for more costlyand genuine ingredients, the sophistication,though it may affect our purse, does notinjure our health. Of this kind are the ma-nufacture of factitious pepper, the adulter-ations of mustard, vinegar, cream, &c.Others, however, are highly deleterious;and to this class belong the adulterations ofbeer, wines, spirituous liquors, pickles, sa-lad oil, and many others.
There are particular chemists who makeit a regular trade to supply drugs or nefa-rious preparations to the unprincipled brew-er of porter or ale ; others perform the sameoffice to the wine and spirit merchant; andothers again to the grocer and the oilman.The operators carry on their processeschiefly in secrecy, and under some delusive