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FACTORS AFFECTING SENSORY ATTRIBUTES OF OYSTER MUSHROOMS (1998)

CUPPETT, S.L. ; PARKHURST, A.M. ; CHUNG, W. ; [et al.]

Oxford, UK : Blackwell Publishing Ltd

Journal of food quality 21 (1998), S. 0

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ISSN: 1745-4557

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Process Engineering, Biotechnology, Nutrition Technology

Notes: Oyster mushrooms, Pleurotus sajor-caju, were grown on chopped corn stover substrate with increasing amounts of cracked corn supplementation and were harvested at immature and mature stages of growth. Descriptive terms for mushroom color, texture, and flavor were generated and used to determine the impact of cracked corn supplementation on the sensory attributes of fresh and stored (5C for 48h) immature mushrooms and of fresh mature oyster mushrooms. Results indicated that supplementation with cracked corn significantly (P 〈 0.05) affected the texture attributes, i.e., tough, rubbery, and fibrous of the oyster mushroom. When factor analysis (FA) was applied to the descriptor data, three factors were identified in the immature fresh and immature stored oyster mushrooms data which explained 86 and 82%, respectively, of the variation. FA of data from the mature oyster mushrooms identified 3 factors which explained 89% of the data variation.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1745-4557.1998.tb00530.x

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Age-dependent change of the effect of a cytostatic drug on the proliferation kinetics of a solid tumor of the mouse (1979)

Feáux de Lacroix, W. ; Weyer, M. ; Schütt, A. ; [et al.]

Springer

Journal of cancer research and clinical oncology 94 (1979), S. 29-37

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ISSN: 1432-1335

Keywords: Tumorzellproliferation ; Zytostatikum ; Wirkungsänderung ; Tumor cell proliferation ; Cytostatic drug ; Changing effect

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Description / Table of Contents: Summary The aim of the present investigations was to study the effectiveness of a cytostatic drug (VCR) during different phases of tumor growth (1st, 7th, 14th day a.t.) and at the periphery and at the centre of the tumor (on the 14th day a.t.). Furthermore the inducement of a partial synchronization in the proliferation of tumor cells was attempted. It was found that the intensity of the cytostatic effect significantly decreased both with the passage of time after transplantation and within the tumor from the periphery to the centre. The changing cytostatic sensitivity probably is due to the diminishing vascular supply and the decreased rate of cell proliferation; especially the decline of the growth fraction. A partial synchronization of the proliferation of tumor cells could not be demonstrated.

Notes: Zusammenfassung Das Ziel der vorliegenden Experimente war, die Effektivität eines Cytostatikums (VCR) während verschiedener Wachstumsphasen (1., 7., 14. Tag p.T.) eines soliden Tumors und vergleichend im Tumorrand und im Zentrum (am 14. Tag p.T.) zu untersuchen. Außerdem sollte geprüft werden, ob eine Teilsynchronisation der Tumorzellproliferation induziert werden könnte. Es ließ sich zeigen, daß die Intensität der Cytostatikawirkung zum einen mit der Zeit nach Tumortransplantation und zum anderen innerhalb des Tumors selbst vom Rand zum Zentrum signifikant abnahm. Die veränderte Cytostatikasensibilität dürfte auf die verschlechterte Gefäßversorgung und die verminderte Zellproliferation — vor allem auf die Abnahme der Wachstumsfraktion — zurückzuführen sein. Eine Teilsynchronisation des Wachstums der Tumorzellen konnte nicht nachgewiesen werden.