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Featured researches published by Katsutada Takahashi.


Carbohydrate Research | 1986

Changes in enthalpy and heat capacity associated with the gelatinization of potato starch, as evaluated from isothermal calorimetry

Toshiko Shiotsubo; Katsutada Takahashi

Abstract Enthalpy changes during the interaction between potato-starch granules and water at various temperatures ranging from 25 to 77° were studied by isothermal calorimetry. From the temperature variation of the observed enthalpy changes, the enthalpy levels of ungelatinized and gelatinized starches in water were evaluated, and the heat of gelanization was found to be Δhcal = 17.6 ± 1.7 J.g−1 at 61°, in good agreement with the value found by differential scanning calorimetry. The heat-capacity change associated with gelatinization was Δcp = −0.06 ±0.13 J.K.−1.g−1.


Agricultural and biological chemistry | 1984

Differential Thermal Analysis of Potato Starch Gelatinization

Toshiko Shiotsubo; Katsutada Takahashi


Agricultural and biological chemistry | 1983

Temperature effect on the activity of soil microbes measured from heat evolution during the degradation of several carbon sources

Hideki Yamano; Katsutada Takahashi


Agricultural and biological chemistry | 1982

Calorimetric studies of microbial growth: Quantitative relation between growth thermograms and inoculum size.

Mamoru Hashimoto; Katsutada Takahashi


Agricultural and biological chemistry | 1983

An attempt to characterize calorimetrically the inhibitory effect of foreign substances on microbial degradation of glucose in soil.

Tatsuo Kawabata; Hideki Yamano; Katsutada Takahashi


Agricultural and biological chemistry | 1984

Calorimetric Studies of Microbial Growth: Kinetic Analysis of Growth Thermograms Observed for Bakery Yeast at Various Temperatures

Shigekazu Itoh; Katsutada Takahashi


Agricultural and biological chemistry | 1988

Calorimetric analysis of the effects of penicillin G, ampicillin and polymyxin B on the growth of Escherichia coli

Akira Katarao; Hiroshi G. Okuno; Katsutada Takahashi


Agricultural and biological chemistry | 1987

Calorimetric Analysis of the Effect of Streptomycin, Tetracycline and Chloramphenicol on the Growth of Escherichia coli

Akira Katarao; Takahiro Mune; Katsutada Takahashi


Agricultural and biological chemistry | 1973

Design of a Calorimeter for the Continuous Study of Heat Production during Anaerobic Microbial Growth

Katsutada Takahashi


Agricultural and biological chemistry | 1987

Calorimetric Study of Escherichia coli Growth on Bouillon Medium

Akira Katarao; Nobuo Yamato; Katsutada Takahashi

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