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E. M. and Frangione, B., β-Sheet breaker peptides inhibit fibrillogenesis in a rat brain model of amyloidosis: implications for Alzheimer's therapy. Nature Med., 1998, 4, 822-826. 23. Kuipers, B. J. H. and Gruppen, H., Prediction of molar extinction coefficients of proteins and peptides using UV absorption of the constituent amino acids at 214 nm to enable quantitative reverse phase high-performance liquid chromatography-mass spectrometry analysis.

Mushroom cultivation is often promoted as profitable and income generating agri-business activity, while there is a very high rate of attrition in mushroom entrepreneurship. Performance of mushroom enterprise as a physical attribute and the entrepreneurial behaviour of mushroom growing farmers as a psychological attribute plays an important role in the success of the mushroom entrepreneurship. Both these variables are in turn influenced by several dimensions rendering it difficult to comprehend the nature of variability observed in them. Therefore, the principal component analysis (PCA) of these two variables was done for variable reduction and to understand their influence on mushroom entrepreneurship. The results of PCA ascertain the relative importance of different dimensions on the variables through Eigen weightages. Based on the findings, suitable strategies and necessary policy interventions are identified to make the mushroom entrepreneurship as a potential agri-business to augment farmers’ income.

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Mushroom demand is showing tremendous growth worldwide due to its nutritional and medicinal qualities.In spite of huge potential and need to meet protein demand of large vegetarian population, India's progress in mushroom entrepreneurship is not that impressive. Entrepreneurial behaviour along with other personal and socio-psychological traits of entrepreneurs plays a prominent role in achieving success in any enterprise. In the present study conducted among the mushroom growing entrepreneurs across Karnataka State, an effort was made to understand influence of identified variables on farmers' entrepreneurial behaviour. Five attributes of farmers and their units, six attributes of socio-psychological traits and four extension variables were studied for investigating their effect on entrepreneurial behaviour of the respondents. Regression analysis showed that, academic qualification, cosmopolitanism, self-reliance, mass media participation, extension participation and training were significantly contributing to the entrepreneurial behaviour of the respondents.