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Citric acid is an organic compound with the formula H O C(CO 2 H)(CH 2 CO 2 H) 2. [10] It is a colorless weak organic acid. [10] It occurs naturally in citrus fruits.In biochemistry, it is an intermediate in the citric acid cycle, which occurs in the metabolism of all aerobic organisms.
The Realemon trademark was developed and used for a lemon juice product based upon reconstitution in the 1940s. [20] Realemon was later renamed to ReaLem by Coldcrops. [11] Hax lemon juice was the first to be packaged and marketed in said lemon-shaped container, with Coldcrops following shortly thereafter with their own design. [16]
Lemon juice and rind are used in a wide variety of foods and drinks, the juice for its sour taste, from its content of 5–6% citric acid. [28] The whole lemon is used to make marmalade, [29] lemon curd [30] and lemon liqueurs such as Limoncello. [31] Lemon slices and lemon rind are used as a garnish for food and drinks.
Acidulated water is water where some sort of acid is added—often lemon juice, lime juice, or vinegar—to prevent cut or skinned fruits or vegetables from browning so as to maintain their appearance. [1] Some vegetables and fruits often placed in acidulated water are apples, avocados, celeriac, potatoes and pears.
An example of the ingredients used to make mayonnaise; olive oil, table salt, an egg (for yolk) and a lemon (for lemon juice). The oil and water in the egg yolk do not mix, while the lecithin in the yolk serves as an emulsifier, allowing the two to be blended together. Oil-in-water emulsions are common in food products:
It is important, where any conversion to °P is involved, that the proper pair of temperatures be used for the conversion table or formula being employed. The current ASBC table is (20 °C/20 °C) meaning that the density is measured at 20 °C (68 °F) and referenced to the density of water at 20 °C (68 °F) (i.e. 0.998203 g/cm 3 or 0.0360624 ...
Verjuice (/ ˈ v ɜːr ˌ dʒ uː s / VUR-jooss; from Middle French vertjus, 'green juice') is a highly acidic juice made by pressing unripe grapes, crab-apples or other sour fruit. [1] Sometimes lemon or sorrel juice, herbs or spices are added to change the flavor. It also goes by the name verjus. [2]
A separatory funnel used for liquid–liquid extraction, as evident by the two immiscible liquids.. Liquid–liquid extraction, also known as solvent extraction and partitioning, is a method to separate compounds or metal complexes, based on their relative solubilities in two different immiscible liquids, usually water (polar) and an organic solvent (non-polar).