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公开(公告)号：EP0198209A2
公开(公告)日：1986-10-22
申请号：EP86103180.5
申请日：1986-03-10
摘要： A process for preparing a powdered tea extract characterised in that black tea leaves are extracted with hot water to give a first extract which is separated from the tea leaves, concentrated to a solids content of from 5% to 12.5%, and then cooled to a temperature from 5°C to 15°C to form an insoluble cream which is separated from the concentrated first extract and then extracted with water at a temperature of from 40°C to 70°C to give a second extract which is separated from the remaining insoluble cream, after which the first and second extracts are mixed and dried.
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公开(公告)号：EP0198209A3
公开(公告)日：1988-07-13
申请号：EP86103180
申请日：1986-03-10
摘要： A process for preparing a powdered tea extract characterised in that black tea leaves are extracted with hot water to give a first extract which is separated from the tea leaves, concentrated to a solids content of from 5% to 12.5%, and then cooled to a temperature from 5°C to 15°C to form an insoluble cream which is separated from the concentrated first extract and then extracted with water at a temperature of from 40°C to 70°C to give a second extract which is separated from the remaining insoluble cream, after which the first and second extracts are mixed and dried.
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公开(公告)号：EP0201000A2
公开(公告)日：1986-11-12
申请号：EP86105686.9
申请日：1986-04-24
IPC分类号： A23F3/16
摘要： A process for the production of a cold-water soluble instant tea which comprises extracting black tea leaves with hot water, concentrating and cooling the hot-water extract of black tea leaves to precipitate substantially all the tea cream characterised in that the concentrated, cooled extract of black tea leaves is treated with an appropriate quantity of an catechin or mixture of catechins capable of rendering the tea cream soluble in cold water at from 10 °C to 30 °C.
摘要翻译： 一种制造冷水溶性速溶茶的方法，其包括用热水提取红茶叶，浓缩并冷却红茶叶的热水提取物，基本上沉淀出所有茶油，其特征在于，浓缩冷却的提取物 的红茶叶用适量的儿茶素或儿茶素的混合物进行处理，所述儿茶素可以使茶奶油溶于10℃至30℃的冷水中。
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公开(公告)号：EP0198209B1
公开(公告)日：1991-03-27
申请号：EP86103180.5
申请日：1986-03-10
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公开(公告)号：EP0201000A3
公开(公告)日：1988-10-05
申请号：EP86105686
申请日：1986-04-24
IPC分类号： A23F03/16
摘要： A process for the production of a cold-water soluble instant tea which comprises extracting black tea leaves with hot water, concentrating and cooling the hot-water extract of black tea leaves to precipitate substantially all the tea cream characterised in that the concentrated, cooled extract of black tea leaves is treated with an appropriate quantity of an catechin or mixture of catechins capable of rendering the tea cream soluble in cold water at from 10 °C to 30 °C.
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公开(公告)号：EP0110391A1
公开(公告)日：1984-06-13
申请号：EP83111998.7
申请日：1983-11-30
IPC分类号： A23F3/18
摘要： A process for preparing a powdered tea extract wherein black tea leaves are macerated with water, the macerated leaves are extracted first with cold water and then with hot water after which the cold and hot extracts are mixed before being concentrated and dried.
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公开(公告)号：EP0067351A1
公开(公告)日：1982-12-22
申请号：EP82104762.8
申请日：1982-05-29
IPC分类号： A23F3/18
摘要： A process for preparing a powdered tea extract which comprises extracting tea leaves firstly at ambient temperature and then at an elevated temperature, with an aqueous medium which contains, at least during the extraction at ambient temperature, a food-acceptable carboxylic acid or a corresponding food-acceptable salt or any mixture thereof and afterwards drying the aqueous extract obtained.
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