Methods Totally 80 guinea pigs randomly divided into 4 groups i. e. blank group, lithogenic group, prevention by bear bilepowder group and UDCA group.
方法将80只豚鼠随机分为4组，分别为空白组、致石组、熊胆粉预防组、熊去氧胆酸(UDCA)预防组。
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A method based on the near infrared (NIR) spectroscopy was established for the authentication of bear bilepowder and the quantitative analysis of the proportion in the counterfeits.
This research contributes to the rapid and undamaged identification of bear bilepowder, and also offers reference for the quality identification of other expensive medicinal materials.