The poisons in our food, or, Guide to health / by a physician.

Date:
1855
Catalogue details

Licence: Public Domain Mark

Credit: The poisons in our food, or, Guide to health / by a physician. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)

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    pretended by the possessor or vender thereof, so to be, shall be made or kept for sale, or shall be offered or exposed to sale, or shall be found in the custody or possession of any dealer or dealers in, or seller or sellers of coffee; or if any burnt, scorched, or roasted peas, beans, or other grain or vegetable substance, or substances, not being cof- fee, shall be called by the preparer, manufac- turer, possessor, or vender thereof, by the name of English or British coffee, or any other name of coffee, or by the name of American cocoa, or English or British cocoa, or any other name of cocoa, the same respectively shall be forfeited, together with the packages containing the same, and shall and may be seized by any officer or offi- cers of excise ; and the person or persons prepar- ing, manufacturing, or selling the same, or having the same in his, her, or their custody or posses- sion, or the dealer or dealers in, or seller or sellers of coffee or cocoa, in whose custody the same shall be found, shall forfeit and lose the sum of one hun- dred pounds.'' Coffee is also adulterated with rye; when they are both burnt or roasted together, it is not so readily noticed as might be expected. _ The rye can be easily detected by passing an infusion of the suspected article through animal charcoal to deprive it of its color, and then adding to the strained solution some tincture of iodine. A blue color will appear if rye is present. The same test will answer, if we suspect beans or peas, the tincture of iodine acting on the starch contained in them. The sawdust is hard to de- tect, and the only rule' to follow in regard to this,