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Lecture 5 1-21-10

Lecture 5 1-21-10 - Respiration is always occurring plant...

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Unformatted text preview: - Respiration is always occurring; plant equivalent of breathing. Transpiration is the plant equivalent of sweat; Vegetable starts to wilt. Senescence is preprogrammed deterioration; can be slowed down. Then death.- Two types of ripening, climacteric ripening and non-climacteric ripening. Ethylene builds up to signal a process that triggers ripening, generating ripening. Non-climacteric ripen on the tree.- Higher rate of respiration, higher senescence, lower shelf-life. Slow respiration by lowering temperature and modified atmosphere. Climacteric fruits & vegs away from non-climacterics.- Removing peel is a quality-yield tradeoff. - Better the sensory quality, higher nutritional quality.- Safety and quality tradeoff with bottom-line safety. 1) The purpose of process control is to reduce the variability in final products so that legislative requirements and consumers’ expectations of product quality and safety are met. It also aims to reduce wastage and production costs by improving the efficiency of met....
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Lecture 5 1-21-10 - Respiration is always occurring plant...

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