Method for treating an animal carcass

A carcass and animal technology, applied in food processing, cleaning the stomach of slaughtered livestock, slaughtering, etc., can solve problems such as inappropriate processing, achieve the effect of reducing bacterial pollution and extending the shelf life

Inactive Publication Date: 2004-08-18
AS DE DANSKE SUKKERFABRIKKER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these processes tend to introduce relatively large amounts of phosphate compounds into the treated effluent, which may not be suitable from an environmental point of view

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] Water treatment solution prepared as 0.10, 0.20, 0.25, 0.30, 0.40, 0.50, 1.00, 2.50, 5.00, 10.0 and 20.0% w / w sodium hydroxide (NaOH), potassium hydroxide (KOH), AvGard TM TSP dodecahydrate (AVGARD), sodium carbonate (Na 2 CO 3 ), sodium metasilicate nonahydrate, sodium chloride (NaCl) or potassium chloride (KCl). The wt% of sodium metasilicate nonahydrate is calculated based on the total weight of sodium metasilicate nonahydrate, ie including water of hydration. Prepare equal amounts of E. coli ATCC25922, E. coli ACTT8739 and E. coli O157:H7 ATCC 43895 mixture. The bacterial mixture was contacted with each treatment fluid separately, and in each case 1 ml of a sample of the bacterial mixture was added to 99 ml of each treatment fluid sample. In each case, the bacterial mixture was in contact with each treatment solution for 15 seconds. After a 15 second contact time, the treatment fluid samples were subjected to standard aerobic plate counts. When 1 ml of the bact...

Embodiment 2

[0093] The procedure of Example 1 was repeated using a mixture of Salmonella typhi ATCC 14028, Salmonella cholera ATCC 4931 and Salmonella enteritidis ACTT 13076 instead of the E. coli mixture of Example 1. When 1ml of the Salmonella mixture was added to 99ml of sterile water, the baseline bacteria level was 630,000cfu / ml. The results are expressed in cfu / ml in Tables 2A and 2B below.

[0094] Table 2A

[0095] Colony forming unit / ml (cfu / ml)

[0096] Concentration of treatment solution (%)

[0097] 0.10 0.20 0.25 0.30 0.40 0.50

[0098] NaOH 220,000 20 -- 10 <10 <10

[0099] KOH 550,000 46,000 -- 40 <10 <10

[0100] Avgard 720,000 540,000 --- 420,000 74,000 4,800

[0101] Na 2 CO 3 -- -- -- -- -- 350,000

[0102] Na Meta -- -- 640,000 -- -- 97,000

[0103] Silicate

[0104] NaCl -- 640,000 -- -- --

[0105] KCl -- -- 740,000 -- -- --

[0106] Table 2B

[0107] ...

Embodiment 3

[0119] An equal mixture of Salmonella typhi ATCC 14028, Salmonella cholera ATCC 4931 and Salmonella enteritidis ATCC 13076 was contacted with each treatment solution listed in Tables 3A to 3M, and in each case, 1 ml of the bacterial mixture sample was added to 99 ml of each in the treatment fluid sample. Water treatment fluids are prepared by dissolving the following components in water:

[0120] Sodium metasilicate nonahydrate and NaOH (Tables 3A and 3B),

[0121] Sodium metasilicate nonahydrate and KOH (Table 3C),

[0122] Sodium metasilicate nonahydrate and sodium carbonate (Tables 3D, 3E and 3F),

[0123] Sodium metasilicate nonahydrate and NaCl, KCl or AVGARD (Table 3G)

[0124] NaOH and sodium carbonate (Tables 3H and 3I),

[0125] Sodium carbonate and KOH (Table 3J),

[0126] Sodium carbonate and KCl or NaCl (Table 3K),

[0127] NaOH and KCl (Table 3L), and

[0128] AVGARD and KCl (Table 3M),

[0129] The amounts of each component are listed in the table respect...

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PUM

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Abstract

Contacting an animal carcass with an aqueous solution containing an effective amount of an alkali silicate reduces bacterial contamination of the carcass or retards bacterial growth on the carcass or both reduces bacterial contamination and retards bacterial growth on the carcass, without substantial detriment to the organoleptic properties of the carcass. The method is also useful in treating edible plant materials, such as fruits and vegetables, to reduce bacterial contamination, retard bacterial growth or reduce bacterial contamination and retard bacterial growth on the plant materials.

Description

field of invention [0001] The present invention relates to improved methods of treating animal carcasses to reduce bacterial contamination of the carcasses or to impede bacterial growth on the carcasses. Background of the invention [0002] Animals such as, for example, poultry, all red meat animals, fish and crustaceans are slaughtered and their carcasses are processed to produce food for human consumption. Often, the processing of these animals involves evisceration, a process that may contaminate the edible parts of the animal with harmful bacteria that may multiply, depending on the hygienic conditions of the further processing. Bacterial contamination of edible parts of animals can cause spoilage of the edible parts and illness in consumers who eat the contaminated edible parts. [0003] A treatment process involving contacting an animal carcass with an aqueous solution containing an alkali metal phosphate and effective in reducing bacterial contamination and / or retard...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A22C21/00A22B5/18A22B7/00A22C25/02A23B4/023A23B4/027A23B4/24A23B4/26A23B4/30A23B7/153A23L3/3454A23L3/358A23N12/02
CPCA23B4/305A23B4/26A23B4/023A23B4/027A23B4/24
Inventor 弗雷德里克·G·本德罗伯特·S·皮罗洛
Owner AS DE DANSKE SUKKERFABRIKKER
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