Apple juice
Encyclopedia
Apple juice is a fruit juice
Juice
Juice is the liquid that is naturally contained in fruit or vegetable tissue.Juice is prepared by mechanically squeezing or macerating fruit or vegetable flesh without the application of heat or solvents. For example, orange juice is the liquid extract of the fruit of the orange tree...

 manufactured by the maceration and pressing of apple
Apple
The apple is the pomaceous fruit of the apple tree, species Malus domestica in the rose family . It is one of the most widely cultivated tree fruits, and the most widely known of the many members of genus Malus that are used by humans. Apple grow on small, deciduous trees that blossom in the spring...

s. The resulting expelled juice may be further treated by enzymatic and centrifugal clarification to remove the starch
Starch
Starch or amylum is a carbohydrate consisting of a large number of glucose units joined together by glycosidic bonds. This polysaccharide is produced by all green plants as an energy store...

 and pectin
Pectin
Pectin is a structural heteropolysaccharide contained in the primary cell walls of terrestrial plants. It was first isolated and described in 1825 by Henri Braconnot...

, which holds fine particulate in suspension, and then pasteurize
Pasteurization
Pasteurization is a process of heating a food, usually liquid, to a specific temperature for a definite length of time, and then cooling it immediately. This process slows microbial growth in food...

d for packaging in glass, metal or aseptic processing
Aseptic processing
Aseptic processing is the process by which a sterile product is packaged in a sterile container in a way that maintains sterility...

 system containers, or further treated by dehydration processes to a concentrate
Concentrate
A concentrate is a form of substance which has had the majority of its base component removed. Typically this will be the removal of water from a solution or suspension such as the removal of water from fruit juice...

. Apple juice may also be sold in an untreated state.

Due to the complex and costly equipment required to extract and clarify juice from apples in large volume, apple juice is normally commercially produced. In the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, unfiltered fresh apple juice is produced by smaller operations in areas of high apple production, in the form of unclarified apple cider
Apple cider
Apple cider is the name used in the United States and parts of Canada for an unfiltered, unsweetened, non-alcoholic beverage made from apples...

. Apple juice is one of the most common fruit juices in the world, with world production led by China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

, Poland
Poland
Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

, the United States and Germany
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

.

Health benefits

Vitamin C
Vitamin C
Vitamin C or L-ascorbic acid or L-ascorbate is an essential nutrient for humans and certain other animal species. In living organisms ascorbate acts as an antioxidant by protecting the body against oxidative stress...

 is sometimes added by fortification, because content is variable, and much of that is lost in processing. Other vitamin concentrations are low, but apple juice does contain various mineral nutrients, including boron
Boron
Boron is the chemical element with atomic number 5 and the chemical symbol B. Boron is a metalloid. Because boron is not produced by stellar nucleosynthesis, it is a low-abundance element in both the solar system and the Earth's crust. However, boron is concentrated on Earth by the...

, which may promote healthy bones.
Apple juice has a significant concentration of natural phenol
Natural phenol
Natural phenols, bioavailable phenols, plant phenolics, low molecular weight phenols or phenoloids are a class of natural products. They are small molecules containing one or more phenolic group. These molecules are smaller in size than polyphenols, containing less than 12 phenolic groups...

s of low molecular weight (including chlorogenic acid
Chlorogenic acid
Chlorogenic acid is a hydroxycinnamic acid, a member of a family of naturally occurring organic compounds. These are esters of polyphenolic caffeic acid and cyclitol -quinic acid. It is an important biosynthetic intermediate. It also is one of the phenols found in coffee, bamboo Phyllostachys...

, flavan-3-ol
Flavan-3-ol
Flavan-3-ols are a class of flavonoids that use the 2-phenyl-3,4-dihydro-2H-chromen-3-ol skeleton. These compounds include the catechins and the catechin gallates....

s, and flavonols) and procyanidin
Procyanidin
Procyanidins are members of the proanthocyanidin class of flavonoids. They are oligomeric compounds, formed from catechin and epicatechin molecules....

s that may protect from diseases associated with aging due to the antioxidant
Antioxidant
An antioxidant is a molecule capable of inhibiting the oxidation of other molecules. Oxidation is a chemical reaction that transfers electrons or hydrogen from a substance to an oxidizing agent. Oxidation reactions can produce free radicals. In turn, these radicals can start chain reactions. When...

 effects which help reduce the likeliness of developing cancer
Cancer
Cancer , known medically as a malignant neoplasm, is a large group of different diseases, all involving unregulated cell growth. In cancer, cells divide and grow uncontrollably, forming malignant tumors, and invade nearby parts of the body. The cancer may also spread to more distant parts of the...

 and Alzheimer's disease
Alzheimer's disease
Alzheimer's disease also known in medical literature as Alzheimer disease is the most common form of dementia. There is no cure for the disease, which worsens as it progresses, and eventually leads to death...

. Research suggests that apple juice increases acetylcholine
Acetylcholine
The chemical compound acetylcholine is a neurotransmitter in both the peripheral nervous system and central nervous system in many organisms including humans...

 in the brain, resulting in increased memory
Memory
In psychology, memory is an organism's ability to store, retain, and recall information and experiences. Traditional studies of memory began in the fields of philosophy, including techniques of artificially enhancing memory....

.
Despite its positive health benefits, apple juice is high in sugar. It has 28 g carbohydrates (24 g sugars) per 8 ounces. This results in 130 calories per 8 ounces (protein and fat are not significant), which compares to non-diet soft drinks such as Pepsi
Pepsi
Pepsi is a carbonated soft drink that is produced and manufactured by PepsiCo...

 and 7 Up
7 Up
7 Up is a brand of a lemon-lime flavored non-caffeinated soft drink. The rights to the brand are held by Dr Pepper Snapple Group in the United States, and PepsiCo in the rest of the world, including Puerto Rico, where the concentrate is manufactured at the Pepsi facility in Cidra...

. Also like most fruit juice, apple juice contains the same amount of sugar, but lacks the fiber due to loss of skin. The sugar in apple juice, despite being natural, is bad enough that consumption is frowned upon for diabetics.

Apple cider

While apple juice generally refers to the filtered, pasteurised product of apple pressing, an unfiltered and sometimes unpasteurised product commonly known as apple cider in the United States and parts of Canada may be packaged and sold as apple juice. In the U.S., there is an unclear distinction between filtered apple juice and natural apple cider. In other places such as New Zealand, Australia and the United Kingdom, apple cider is an alcoholic beverage. The alcoholic beverage referred to as cider
Cider
Cider or cyder is a fermented alcoholic beverage made from apple juice. Cider varies in alcohol content from 2% abv to 8.5% abv or more in traditional English ciders. In some regions, such as Germany and America, cider may be termed "apple wine"...

in these areas is usually referred to as hard cider in the United States.

External links

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