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Encyclopedia > Canned tea

Canned tea is a relatively recent method of marketing tea which has been sold traditionally as leaf tea and also, for the last 100 years, in tea bag form. It utilises the canning process to produce a ready made drink. Perceived advantages are ease of use (minimal or no preparation time) and the possibility of additives (such as flavours or sugar); the disadvantages are the cost of shipment (and therefore the price of the product), a larger carbon footprint (due to the transportation of water and the energy used to make the can and fill it [1]) and a lack of freshness [2]. Tea leaves in a Chinese gaiwan. ... The leaves of a Beech tree A leaf with laminar structure and pinnate venation In botany, a leaf is an above-ground plant organ specialized for photosynthesis. ... This article or section does not cite its references or sources. ... This article or section does not cite its references or sources. ... The word drink is primarily a verb, meaning to ingest liquids. ... CO2 emission per capita per year per country Carbon footprint is a measure of the amount of carbon dioxide or CO2 emitted (mainly through the combustion of fossil fuels). ...

Contents

Tea

Main article: Tea

Tea is a beverage made by steeping processed leaves, buds or twigs of the plant Camellia sinensis in hot water for a few minutes. The processing can include oxidation (called 'fermentation' in the tea industry), heating, drying and the addition of herbs, flowers, spices and fruits. There are four main types of tea: black, oolong, green and white. Tea is a natural source of caffeine, theophylline, theanine and antioxidants; but it has almost no fat, carbohydrates, or protein Tea leaves in a Chinese gaiwan. ... Binomial name Camellia sinensis (L.) Kuntze Camellia sinensis is one of the two major varieties or strains of the tea plant, the plant species whose leaves and leaf buds are used to produce tea (The other being Camellia Assamica). ...


Tea has been drunk in China for around 5,000 years,


Canning

Main article: Canning

Canning is a method of preserving food by heating it to a temperature that destroys contaminating microorganisms, and then sealing it in air-tight jars, cans or pouches. Patented in the UK in 1810, this method of preservation was not used extensively for soft drinks until the pull tab version was patented in the USA in 1963 This article or section does not cite its references or sources. ... This article or section does not cite its references or sources. ... ...


History of canned tea

  • ITO EN Ltd (Japan) [3]
    • 1981 - First canned tea (oolong) launched
    • 1985 - First canned green tea launched.

Types of canned tea

Black tea

Black tea, the most oxidized of the four main varieties, is generally stronger in flavor and contains more caffeine than the less oxidized varieties. It is the traditional tea of the western world where it is known simply as "tea". Black tea Black tea is a true tea (i. ...

  • Iced tea (unsweetened) is an alternative to carbonated soft drinks, popular in many countries especially the hotter ones. One study has demonstrated that unsweetened canned black tea has a neutral to beneficial effect on dental health. [4]
  • Iced tea (sweetened) is popular mainly in the southern United States where it is ubiquitous and available freshly made, in bottles and cans or at self-serve soda fountains. Sweet tea [5] (also known as southern table wine) is brewed very strong with a large amount of sugar added while the tea is still hot. The mixture of sugar and tea is cooled, diluted with water and served over ice garnished with lemon. Alternatively, the sugar and tea mixture is not diluted but rather poured hot over a full tumbler of ice to cool and dilute it. [6]. Due mainly to its high sugar content, canned sweet tea has been proven to cause tooth decay. [7]

Wikibooks Cookbook has more about this subject: Iced Tea Iced tea is a form of cold tea, often served in a glass over ice. ... A glass of sweet tea Sweet tea is a form of iced tea in which sugar or some other form of sweetener is added to the hot water before brewing, while brewing the tea, or post-brewing, but before the beverage is chilled and served. ... Soda fountain is a North American term referring to the carbonated drink dispensers found in fast food restaurants and convenience stores in the US and Canada. ...

Oolong tea

Oolong (Chinese: 烏龍; pinyin: wūlóng) is a traditional Chinese type of tea somewhere between green and black in oxidation[1]. Although it has a taste more akin to green tea than to black tea, it does not have the stridently grassy vegetal notes that typify green tea. The best Oolong has a nuanced flavor profile. It is commonly brewed to be strong and bitter, yet leaving a faintly sweet aftertaste. The first commercially canned Oolong tea was available in 1981.[8] Alternate meanings: Oolong (disambiguation) Oolong (烏龍 wūlóng in the Mandarin Pinyin romanization) is a traditional Chinese type of tea somewhere in between green and black in oxidation (traditionally but improperly called fermentation) time. ... Pinyin is a system of romanization (phonemic notation and transcription to Roman script) for Standard Mandarin, where pin means spell and yin means sound. The most common variant of pinyin in use is called Hanyu Pinyin (Simplified Chinese: ; Traditional Chinese: ; pinyin: HànyÇ” PÄ«nyÄ«n), also known as scheme...


Green tea

Green tea (Simplified Chinese: 绿茶; Traditional Chinese: 綠茶; pinyin: lǜchá) has undergone minimal oxidation during processing. It is popular in China, Taiwan, Hong Kong, Japan, Korea, and the Middle East. Recently it has become more widespread in the West. The first commercially canned green tea was available in Japan in 1985 [9]. Subsequently, other brands have been launched in many countries due mainly to the claimed health and diet benefits of green tea. Green tea (绿茶) is tea that has undergone minimal oxidation during processing. ... Simplified Chinese characters (Simplified Chinese: 简体字; Traditional Chinese: 簡體字; pinyin: jiÇŽntǐzì; also Simplified Chinese: 简化字; Traditional Chinese: 簡化字; pinyin: jiÇŽnhuàzì) are one of two standard character sets of printed contemporary Chinese written language. ... Traditional Chinese characters are one of two standard sets of printed Chinese characters. ... Pinyin is a system of romanization (phonemic notation and transcription to Roman script) for Standard Mandarin, where pin means spell and yin means sound. The most common variant of pinyin in use is called Hanyu Pinyin (Simplified Chinese: ; Traditional Chinese: ; pinyin: HànyÇ” PÄ«nyÄ«n), also known as scheme... The most fundamental reactions in chemistry are the redox processes. ... Korea (Korean: 한국 or ì¡°ì„ , see below) is a geographic area, civilization, and former state situated on the Korean Peninsula in East Asia. ... A map showing countries commonly considered to be part of the Middle East The Middle East is a region comprising the lands around the southern and eastern parts of the Mediterranean Sea, a territory that extends from the eastern Mediterranean Sea to the Persian Gulf. ... A compass rose with west highlighted This article refers to the cardinal direction; for other uses see West (disambiguation). ...


White tea

White tea is made from new growth buds and young leaves which are steamed or fried, to prevent oxidation, and then dried. It therefore retains the high concentrations of catechins which are present in fresh tea leaves. The buds may also be shielded from sunlight during growth to reduce the formation of chlorophyll. It is a specialty of the Chinese province Fujian. It appears not to be available in cans yet. Bai Hao Yinzhen from Fuding in Fujian Province, widely considered the best grade of white tea Bai Mu Dan, widely considered to be the second grade white tea White tea is tea made from new growth buds and young leaves of the plant Camellia sinensis. ... Chlorophyll gives leaves their green color Space-filling model of the chlorophyll molecule Chlorophyll is a green photosynthetic pigment found in most plants, algae, and cyanobacteria. ... (Chinese: 福建; Pinyin: Fújiàn; Wade-Giles: Fu-chien; Postal System Pinyin: Fukien, Foukien; local transliteration Hokkien from Min Nan Hok-kiàn) is one of the provinces on the southeast coast of China. ...


Canned tea appeal

According to the trade journal 'Beverage Digest', flavoured bottled water, sports drinks and teas, are increasing sales with the decline in sales of sugary soft drinks - with cold tea the fastest growing non-carbonated beverage category in the US during the first half of 2006.[citation needed] Canned green tea in particular has benefited from health claims arising from research findings [citation needed].


 
 

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