Probiotics 2: Applications and Practical Aspects (Inglese)

admin — Tue, 07 Jul 2020 13:58:07 +0000

R. Fuller 1.1 DEVELOPMENT OF COMMERCIAL PREPARATIONS The history of the probiotic effect has been well documented many times previously (see e.g. Bibel, 1982; Fuller, 1992). The consumption of fermented milks dates from pre-biblical times but the probiotic concept was born at the end of the last century with the work of Metchnikoff at the Pasteur Institute in Paris. In the century that has elapsed since Metchnikoff’s work, the probiotic concept has been accepted by scientists and consumers throughout the world. Attempts to refine the practice from the use of traditional soured milks to preparations containing specific micro organisms have occupied the thoughts and endeavours of scientists in many different countries. But, in spite of the large amount of effort expended in attempting to explain and define the effect, it has to be admitted that little is known of the way in which probiotics operate

Cod: 9780412736100

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Insect Natural Enemies: Practical Approaches to Their Study and Evaluation (Inglese)

admin — Tue, 07 Jul 2020 09:56:06 +0000

Over the past two decades there has been a dramatic increase in theoretical and practical studies on insect natural enemies, particularly on parasitoids. The appeal of insect predators – and parasitoids in particular – as research animals derives from the relative ease with which some species may be cultured and experimented with in the laboratory, the simple life cycles of most parasitoids, and the increasing demand for biological control. This text is designed for enquiring students or research workers on appropriate approaches and techniques for the study and evaluation of such insects. T

Cod: 9780412399008

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Probiotics 2: Applications and Practical Aspects (Inglese)

Insect Natural Enemies: Practical Approaches to Their Study and Evaluation (Inglese)