Download A Complete Course in Canning and Related Processes, by Susan Featherstone PDF

By Susan Featherstone

A whole direction in Canning is firmly confirmed as a special and crucial consultant to canning and comparable approaches. execs within the canning and scholars have benefited from successive versions of the publication for over a hundred years. This significant new version keeps that acceptance, with broadly revised and increased insurance. The three-title set is designed to hide all making plans, processing, garage and qc levels undertaken by means of the canning in an in depth, but obtainable style. significant adjustments for the hot version contain new chapters on rules and labelling that distinction the location in several areas around the world, up-to-date details on boxes for canned meals and new info on validation and optimization of canning strategies, between many others.

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Additional resources for A Complete Course in Canning and Related Processes, Fourteenth Edition: Volume 2 Microbiology, Packaging, HACCP and Ingredients

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2 Some of the moulds associated with food spoilage Byssochlamys spp. g. Byssochlamys fulva produces ascospores that have a D-value at 90 °C of between 1 and 12 min). They produce mycotoxins. Rhizopus stolonifer is readily killed by heating but can produce heat-stable pectinases that can persist and cause soft rot, which makes canned fruit and vegetables soft and mushy. Aspergillus is a common spoilage mould that produces mycotoxins. Some host foods include bacon, bread, peanuts, fish, etc. Fusarium spp.

Mesophiles have an optimum between 30 and 42 °C but can grow between 15 and 47 °C. • Thermophiles grow optimally between 55 and 65 °C but can grow between 40 and 90 °C. There is an important difference between the optimum temperatures for growth of bacteria and their resistance to heat. Highly heat-resistant bacteria are called thermoduric. Mesophilic organisms can be thermoduric due to the high heat resistance of their spores, as can the spores of thermophilic bacteria. 5 Effect of water on growth of micro-organisms Drying is one of the oldest methods of food preservation.

1984. 7 A Complete Course in Canning and Related Processes Cases of botulism in the world between 1973 and 1991 Year Product Country Cases (type) 1973 Bottled mushrooms Canned peppers Canned salmon Canada 1 (B) 0 USA UK 59 (B) 4 (E) 0 2 USA 1 (B np) 0 1982 Kapchunka (saltcured, air-dried uneviscerated whitefish) Canned salmon Belgium 2 (E) 1 1982 Bologna sauce Madagascar 60 (E) 30 1982 1983 1984 USA USA Japan 1 (A) 28 (A) 36 (A) 0 1 11 Canada 36 (B) 0 Temperature abuse 1985 Beef pot pie Sautéed onions Karashi-renkon (vacuum – packed, deepfried lotus root) Chopped garlic in oil (bottled, no preservatives) Kapchunka USA 2 (E) 2 1986 1987 Bottled peanuts Kapchunka 9 (A) 8 (E) 2 1 1987 Kosher airline meal (meat, shelf-stable, from Switzerland) Hazelnut yoghurt Taiwan USA and Israel UK 1 (A) 0 Poorly controlled salting process Under-processing Poorly controlled salting process Under-processing/­ temperature abuse UK 27 (B) 1 USA 3 (A) 0 Egypt 91 (E) 18 1977 1978 1981 1985 1989 1989 1991 Chopped garlic (bottled, no preservatives) Faseikh (uneviscerated fish) Deaths Cause Inadequate acidification Under-processing Post-processing leakage Poorly controlled salting process Post-processing leakage Inadequate preservation – Temperature abuse Under-processing/­ temperature abuse Inadequately reduced water activity Temperature abuse Poorly controlled fermentation/ salting Note: Eight neurotoxins from C.

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