The Chemistry of Cookery (Paperback)

This historic book may have numerous typos, missing text or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1900. Not illustrated. Excerpt: ... CHAPTER VII. FRYING. THE process of frying follows next in natural order to those of roasting and grilling. A little reflection will show that in frying the heat is not communicated to the food by radiation from a heated surface at some distance, but by direct contact with the heating medium, which is the hot fat commonly, but erroneously, described as 'boiling fat.' As I am writing for intelligent readers who desire to understand the philosophy of the common processes of cookery, so far as they are understandable, this fallacy concerning boiling fat should be pushed aside at once. Generally speaking, ordinary animal fats are not boilable under the pressure of our atmosphere (one of the constituent fatty acids of butter, butyric acid, is an exception; it boils at 314 Fahr.). Before reaching their boiling-point, i.e. the temperature at which they pass completely into the state of vapour, their constituents are more or less dissociated or separated by the repulsive agency of the heat, new compounds being in many cases formed by recombinations of their elements. When water is heated to 212 it is converted completely into a gas, which gas, on cooling below 212, returns to the fluid state without any loss. In like manner if we raise an essential oil, such as turpentine, to 320, or oil of peppermint to 340, or orange-peel oil to 345,

General

Imprint:	General Books LLC
Country of origin:	United States
Release date:	2012
First published:	2012
Authors:	William Mattieu Williams
Dimensions:	246 x 189 x 5mm (L x W x T)
Format:	Paperback - Trade
Pages:	92
ISBN-13:	978-1-150-16385-2
Categories:	Books
LSN:	1-150-16385-2
Barcode:	9781150163852

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