Effects of temperature and pH on digestive enzymes activities in Whitmania pigra / 中国中药杂志
China Journal of Chinese Materia Medica
;
(24): 2538-2541, 2012.
Artículo
en Chino
| WPRIM
| ID: wpr-263891
ABSTRACT
<p><b>OBJECTIVE</b>Current study was conducted to investigate and compare the impact of temperature and pH on the activities of amylase, protease and lipase in alimentary tract of Whitmania pigra.</p><p><b>METHOD</b>The responses of amylase, protease, and lipase activities were determined over a wide range of temperatures (7-52 degrees C) and pH gradient (2.2-11.2).</p><p><b>RESULT</b>The highest lipase activity was found under 37 degrees C, pH 8.2, and the highest amylase activity was detected under 37 degrees C, pH 5.2, while protease activity peaked at 42 degrees C, pH 3.2 or pH 9.2.</p><p><b>CONCLUSION</b>The optimal temperature in alimentary tract of Wh. pigra for lipase and amylase was 37 degrees C, and the responding temperature for protease was 42 degrees C. The optimal pH value in alimentary tract of Wh. pigra for lipase and amylase was pH 8.2 and pH 5.2, respectively. While pH 3.2 or 9.2 seems to be both favorable for high protease activity.</p>
Texto completo:
Disponible
Índice:
WPRIM (Pacífico Occidental)
Asunto principal:
Péptido Hidrolasas
/
Temperatura
/
Estabilidad de Enzimas
/
Química
/
Sistema Digestivo
/
Amilasas
/
Concentración de Iones de Hidrógeno
/
Sanguijuelas
/
Lipasa
/
Metabolismo
Límite:
Animales
Idioma:
Chino
Revista:
China Journal of Chinese Materia Medica
Año:
2012
Tipo del documento:
Artículo
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