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AttributesValues
rdf:type
dct:created
dct:modified
has broader
preferred label
  • casein (en)
  • caseina (it)
  • caseína (es)
  • caseïne (nl)
  • caséine (fr)
  • causeum (la)
  • lo tan pai (zh-latn-wadegile)
  • luo dan bai (zh-latn-pinyin-x-notone)
  • luò dàn bái (zh-latn-pinyin-x-hanyu)
  • 酪蛋白 (zh-hant)
dc:identifier
  • 300011799
is in scheme
scope note
  • Proteína primaria de la leche, utilizada fundamentalmente como pegamento o para unir pigmentos, precipitada de la leche desgrasada medicante acidificación. (es)
  • De belangrijkste melkproteïne, die voornamelijk wordt gebruikt als een lijm- of pigmentbinder; het bezinkt na verzuring uit taptemelk. (nl)
  • 一種天然、含磷的蛋白質，可在牛奶中發現，是由胺基酸所組成。牛奶酸掉時會自然形成酪蛋白凝乳塊，但是在熱的脫脂牛奶中加入稀釋的鹽酸也能生成凝乳塊。將凝乳塊集中起來、清洗和風乾，可製成白色或泛黃的粉末。乾燥了的酪蛋白無法在水和酒精中溶解，但可在碳酸鹽和其他鹼性溶液中溶解。如果需要使用，可將酪蛋白放入溶液中泡一整夜，添加少許的鹼（碳酸銨、硼砂或石灰），以形成清澈、具黏性的溶液。從最早有歷史紀錄的時期開始，就做為黏膠和接合劑使用。在西元十九世紀晚期，人們將酪蛋白和甲醛加在一起製作成一種塑膠，用來製作例如鈕扣、有孔小珠、帶扣、梳子、餐具手柄或織針等小型物品上，染色後則可製成仿象牙、獸角或玳瑁製品 (zh-hant)
  • A natural phosphorus-containing protein found in milk, composed of amino acids Casein curds form naturally as milk sours, but it is also precipitated by adding dilute hydrochloric acid to hot skim milk. The curds are collected, washed and dried to form a white to yellowish powder. The dried casein is insoluble in water and alcohol but is soluble in carbonates and other alkaline solutions. For use, casein is soaked overnight in a solution with a weak alkali (ammonium carbonate, borax, or lime) to form a clear, viscous solution. Casein has been used as a glue and binder since earliest recorded periods. In the late 19th century, casein was made into a plastic by treatment with formaldehyde, used for small items such as buttons, beads, buckles, combs, cutlery handles, and knitting needles. They were often pigmented to simulate ivory, horn, or tortoiseshell. (en)
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