11.07.2015 Views

Benders'dictionary of nutrition and food technology

Benders'dictionary of nutrition and food technology

Benders'dictionary of nutrition and food technology

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

P351P. 4000 A class <strong>of</strong> synthetic sweeteners, chemically nitro-aminoalkoxybenzenes (propoxyamino nitrobenzene is 4100 times assweet as saccharin). They are not considered harmless <strong>and</strong> arenot permitted in <strong>food</strong>s.PA 3679 Designation <strong>of</strong> a putrefactive anaerobic bacteriumwidely used in investigations <strong>of</strong> heat sterilisation.paak South-east Asian; salty fish paste made by fermenting fishor shrimps with rice.PABA See PARA-amino benzoic acid.pacificarins Compounds present in <strong>food</strong>s that resist microorganisms;they may be <strong>of</strong> microbial origin or synthesised bythe plant itself. Also known as phytoncides.packaging, active Packaging that changes the condition <strong>of</strong> thepacked <strong>food</strong> to extend its shelf life or improve safety or sensoryproperties, while maintaining quality. May include oxygenscavengers, desiccants, antimicrobial compounds, etc.See also bioactive polymers; packaging, modified atmosphere.packaging, green Use <strong>of</strong> biodegradable materials to replace conventionalplastics in <strong>food</strong> packaging.See also starch, thermoplastic.packaging, intelligent Packaging system that monitors the condition<strong>of</strong> packaged <strong>food</strong>s to give information about its qualityduring transport <strong>and</strong> storage. May include a variety <strong>of</strong> chemical,enzymic or immunological sensors to detect temperature,oxygen, products <strong>of</strong> spoilage <strong>and</strong> specific micro-organisms.See also time–temperature indicator.packaging, modified atmosphere Storage <strong>of</strong> fruits, vegetables <strong>and</strong>prepacked meat in a controlled atmosphere in which a proportion<strong>of</strong> the oxygen is replaced by carbon dioxide, sometimeswith the addition <strong>of</strong> other gases such as argon <strong>and</strong> nitrous oxide.For some products a high oxygen atmosphere is used, to reduceenzymic browning <strong>and</strong> anaerobic spoilage. In the passiveprocess, the product is sealed in a selectively permeable polymer<strong>and</strong> allowed to undergo metabolism until the desired gas compositionhas been achieved; in the active process the package isevacuated, then flushed with the desired gas mixture beforesealing.packed cell volume (PCV) See haematocrit.paddy rice in the husk after threshing; also known as rough rice.pak choy Chinese cabbage or Chinese leaves, Brassica chinensis.PAL See physical activity level.Palatinat TM See isomalt.palatinose Isomaltulose, a disaccharide, α-1,6-glucosyl-fructose.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!