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鸡、鸭内金分别为鸡、鸭的干燥沙囊内壁,它们的主要成分是蛋白质。中医认为鸡内金有健脾开胃消食之功能,鸭内金用以主治诸骨鲠噎膈翻胃。近年来有文献报道,部分地区已以鸭内金代鸡内金混合使用,如四川省两者混合使用已达二十年之久。而我国大部分地区均不相互代用。多年来,由于鸡内金货源不足,影响到患者用药。因此,考虑到鸭内金是否能代鸡内金使用,且四川省一些地区已有二十年之临床实践,故有必要对鸡、鸭内金之成分进行分析对比,以便提供理论依据。我们分别做了鸡、鸭内金的总氨基酸、蛋白质、胃蛋白酶和淀粉酶的定性、定量分析。实验证明,鸡内金含有17种氨基酸,总含量为80.8%。鸭内金有18种氨基酸,总含量为72.5%。鸡鸭内金均分别分离出6种蛋白质,鸭内金中所含之胃蛋白酶和淀粉酶含量均比鸡内金为高。
Chicken and duck inner gold are the inner walls of dry sandbags of chickens and ducks respectively. Their main components are proteins. Chinese medicine practitioners believe that Ji Nei Jin has the function of strengthening spleen appetite and digestion, and Ya Nei Jin treats Zhuogu Convalesce. In recent years, there have been reports in the literature that some areas have been blended with duck inner Jin Dai Ji Jin. For example, Sichuan has been used for 20 years. However, most regions in China do not substitute each other. Over the years, due to inadequate supply of chicken inner gold, patients have been affected. Therefore, considering whether Yachi Nei Jin can be used on behalf of Ji Nei Jin, and some regions in Sichuan Province have had clinical practice for 20 years, it is necessary to analyze and compare the components of chicken and duck inner gold in order to provide a theoretical basis. We performed qualitative and quantitative analyses of total amino acids, proteins, pepsin and amylase from chickens and ducks. Experiments have shown that Ji Nei Jin contains 17 amino acids with a total content of 80.8%. There are 18 kinds of amino acids in duck inner gold, and the total content is 72.5%. Chickens and ducks were isolated six kinds of internal gold proteins, duck inner gold contained in the content of pepsin and amylase are higher than chicken inner gold.