Food adulteration and its detectionE. & F.N. Spon, 1887 - 328 pages |
From inside the book
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Page 21
... evaporated on a water bath to the consistence of a syrup ; it is next mixed with calcined magnesia to alkaline reaction , and carefully evaporated to dryness . The residue obtained is then finely powdered , digested for a day or so with ...
... evaporated on a water bath to the consistence of a syrup ; it is next mixed with calcined magnesia to alkaline reaction , and carefully evaporated to dryness . The residue obtained is then finely powdered , digested for a day or so with ...
Page 22
... evaporated in a weighed capsule . The increase in weight gives approxi- mately the amount of oil present . A sample of good black tea yielded by this method o 87 per cent . of volatile oil . Tannin . - Two grammes of the well - averaged ...
... evaporated in a weighed capsule . The increase in weight gives approxi- mately the amount of oil present . A sample of good black tea yielded by this method o 87 per cent . of volatile oil . Tannin . - Two grammes of the well - averaged ...
Page 45
... evaporated to dryness at a gentle heat . The second residue is boiled with alcohol and the alcoholic solution of theobromine filtered and evaporated to dryness in a tared capsule . It is then purified by washing with petroleum - naphtha ...
... evaporated to dryness at a gentle heat . The second residue is boiled with alcohol and the alcoholic solution of theobromine filtered and evaporated to dryness in a tared capsule . It is then purified by washing with petroleum - naphtha ...
Page 57
... a weighed amount of dry sand . The milk is evaporated as previously directed , the mixture being con- * For description of the " Lactocrete , " see ' Analyst , ' Jan. 1887 . The and stantly stirred with a small platinum spatula . MILK . 57.
... a weighed amount of dry sand . The milk is evaporated as previously directed , the mixture being con- * For description of the " Lactocrete , " see ' Analyst , ' Jan. 1887 . The and stantly stirred with a small platinum spatula . MILK . 57.
Page 58
... evaporated , until constant weight is obtained . This will give the amount of fat . The undissolved residue remaining in the platinum capsule , or the difference between the quantity of fat and that of the total milk - solids , affords ...
... evaporated , until constant weight is obtained . This will give the amount of fat . The undissolved residue remaining in the platinum capsule , or the difference between the quantity of fat and that of the total milk - solids , affords ...
Common terms and phrases
acetic acid added addition admixture adulteration albuminoid alcohol alum ammonia ammonium amount analysis artificial beer Board of Health boiling branded bread cane sugar carbonic acid cent cheese chemical chicory chloride cider vinegar cocoa coffee colouring matter compound contained cream detected determined dextrine dilute dissolved distilled dryness employed estimation ether evaporated examination extract Fehling's Fehling's solution fermentation filtered filtrate flask flour genuine butter glucose glycerine grain grammes grape sugar honey hundred dollars hydroxide imprisonment inspector label liquid liquors litre malt manufacture milk mixture nitrates nitric acid nitrogen obtained offence oleomargarine package Paris Penalty person phosphoric acid plate polariscope polarised potassium potassium bitartrate potassium hydroxide precipitate present proportion provisions Public Statutes pure quantity residue salt sample sell sodium sodium bicarbonate solids soluble solution specific gravity starch substances sulphate sulphuric acid syrup tartaric tartaric acid temperature tested thereof tion vinegar water-bath weight wine York
Popular passages
Page 281 - In the case of drugs: (1) If, when sold under or by a name recognized in the United States Pharmacopoeia, it differs from the standard of strength, quality, or purity laid down therein. (2) If, when sold under or by a name not recognized in the United States Pharmacopoeia, but which is found in some other pharmacopoeia or other standard work on materia medica, it differs materially from the standard of strength, quality, or purity laid down in such work. (3) If its strength, quality, or purity falls...
Page 266 - First. If any substance has been mixed and packed with it so as to reduce or lower or injuriously affect its quality or strength.
Page 281 - In the case of food: (1) If any substance or substances have been mixed with it, so as to lower or depreciate, or injuriously affect its quality, strength, or purity; (2) If any inferior or cheaper substance or substances have been substituted wholly or in part for it...
Page 280 - drug," as used in this Act, shall include all medicines and preparations recognized in the United States Pharmacopoeia or National Formulary for internal or external use, and any substance or mixture of substances intended to be used for the cure, mitigation, or prevention of disease of either man or other animals. The term
Page 308 - ... shall be the duty of the Commissioner of Internal Revenue, within a period of not more than two years after such sale or removal, upon satisfactory proof, to estimate the amount of tax which has been omitted to be paid, and to make an assessment therefor and certify the same to the collector.
Page 271 - Object and intent of this article This article and each section thereof are declared to be enacted to prevent deception in the sale of dairy products, and to preserve the public health, which is endangered by the manufacture, sale and use of the articles or substances herein regulated or prohibited.
Page 308 - Notice. — The manufacturer of the filled cheese herein contained has complied with all the requirements of the law. Every person is cautioned not to use either this package again or the stamp thereon again, nor to remove the contents of this package without destroying said stamp, under the penalty provided by law in such cases.
Page 301 - An act to prevent deception in the sale of butter and cheese," and the other approved May 24, 1883, and entitled "An act for the protection of dairymen, and to prevent deception in sales of butter and cheese...
Page 307 - ... his factory, and conduct his business under such surveillance of officers and agents as the Commissioner of Internal Revenue, with the approval of the Secretary of the Treasury, may by regulation require. But the bond required of such manufacturer shall be with sureties satisfactory to the collector of internal revenue, and in a penal sum of not less than...
Page 307 - That all oleomargarine shall be packed by the manufacturer thereof in firkins, tubs, or other wooden packages not before used for that purpose, each containing not less than ten pounds, and marked, stamped and branded as the Commissioner of Internal Revenue, with the approval of the Secretary of the Treasury, shall prescribe ; and all sales made by manufacturers of oleomargarine and wholesale dealers in oleomargarine shall be in original stamped packages.