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Bartolomeo Sacchi, called Platine, prefect of the Vatican Library, gives the recipe for a pâté of wild beasts: the flesh, after being boiled with salt and vinegar, was larded and placed inside an envelope of spiced fat, with a mélange of pepper, cinnamon and pounded lard; one studded the fat with cloves until it was entirely covered, then ...
In chemical pickling, the food is placed in an edible liquid that inhibits or kills bacteria and other microorganisms. Typical pickling agents include brine (high in salt), vinegar, alcohol, and vegetable oil. Many chemical pickling processes also involve heating or boiling so that the food being preserved becomes saturated with the pickling agent.
The increased salinity of the cell fluid causes the cell to absorb water from the brine via osmosis. [2] The salt introduced into the cell denatures its proteins. [2] The proteins coagulate, forming a matrix that traps water molecules and holds them during cooking. [6] This prevents the meat from dehydrating.
Semipermeable membrane is a type of synthetic or biologic, polymeric membrane that allows certain molecules or ions to pass through it by osmosis. The rate of passage depends on the pressure, concentration, and temperature of the molecules or solutes on either side, as well as the permeability of the membrane to each solute.
At the lower end of the spectrum, relatively harmless stink bombs consist of a mixture of ammonium sulfide, vinegar and bicarbonate, which smells strongly of rotten eggs. [2] When exposed to air, the ammonium sulfide reacts with moisture, hydrolyzes, and a mixture of hydrogen sulfide (rotten egg smell) and ammonia is released. Another mixture ...
A typical British recipe for pickled eggs includes eggs, vinegar, salt, and sugar. The eggs are first boiled, peeled, then boiled with the other ingredients. They last for three to four months (for best quality) [6] and are traditionally found in British public houses [7] and fish and chip shops.
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The process of osmosis over a semipermeable membrane.The blue dots represent particles driving the osmotic gradient. Osmosis (/ ɒ z ˈ m oʊ s ɪ s /, US also / ɒ s-/) [1] is the spontaneous net movement or diffusion of solvent molecules through a selectively-permeable membrane from a region of high water potential (region of lower solute concentration) to a region of low water potential ...