Sawai Pharmaceutical Co., Ltd.

Nobuaki Ikeji

Masaru Sugita

Masatoshi Nakatani

Kenji Nozawa

Hiroaki Kikuoka

Provided is an orally disintegrating tablet evaluating method includes: measuring the mass of tablet; placing the tablet on a preparation placement surface of a test solution supply unit; measuring a water absorption time for a test solution to penetrate from one end of the tablet in contact with the surface to the other end of the tablet; measuring the mass of the tablet for which the time for the solution to penetrate has been measured; and calculating the water absorption rate of the tablet by the following formula (1); wherein the tablet is evaluated based on a water absorption rate of the tablet of 0.004 g/sec:water absorption rate of tablet=(mass of tablet after measurement of time for solution to penetrate&#x2212;mass of tablet before measurement of time for solution to penetrate)/(time for solution to penetrate from one end to other end)&#x2003;&#x2003;(1).

Orally disintegrating tablet evaluating method, and orally disintegrating tablet evaluating device

A mouthfeel evaluation method for an orally disintegrating test object is provided, the method including, by a measurement apparatus, giving a predetermined distortion with a predetermine cycle as applying a predetermined pressure to the orally disintegrating test object, adding a predetermined amount of a test liquid to the test object, and measuring a loss tangent of the test object with time.

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Osaka, Japan

Nobuaki Ikeji