140 degrees in 7 hours safe

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jvisco

Newbie
Original poster
Aug 5, 2017
1
10
Portland
Hi all - just bought a new pellet grill and started smoking a shoulder at midnight. The smoker setting is around 180 degrees. Woke up at 8 am and the digital temperature on smoker said 160 and the thermometer on hood said 150. I raised the temperature to 200 and about 30 minutes later stuck thermometer in shoulder and it showed around 138. Given the meat was under 140 for 8 plus hours, should I toss it and start over? Having lots of guests over and don't want to get everyone sick! Thanks for your reply!
 
Whole muscle meat is considered "sterile" on the inside...  Bacteria are considered to be on the outside of the muscle...  

It would have been much safer if you started the smoker at 225-250 for the first hour or two, then lowered the temp to 180...  

That being said, the USDA has a time / temp table that tells when pathogens have been destroyed....

The table below shows meat at 138 deg. F for 18 min. is safe...  I use these tables but I extend the time significantly for "insurance" that the pathogens have been killed... 

Since you were smoking the meat, at a lower temperature, cure #1 would have been a good ingredient to add to the meat.. 

PM Chef Jimmy J for his opinion....   I can only provide some information..   YOU will have to decide if it is safe....

Government Pasteurization Tables

The pasteurization times for beef, lamb and pork are listed in Table C.1. Table C.2 lists the pasteurization times for chicken and turkey.

 

Temperature

Time

Temperature

Time

°F (°C)

(Minutes)

°F (°C)

(Seconds)

130 (54.4)

112 min

146 (63.3)

169 sec

131 (55.0)

89 min

147 (63.9)

134 sec

132 (55.6)

71 min

148 (64.4)

107 sec

133 (56.1)

56 min

149 (65.0)

85 sec

134 (56.7)

45 min

150 (65.6)

67 sec

135 (57.2)

36 min

151 (66.1)

54 sec

136 (57.8)

28 min

152 (66.7)

43 sec

137 (58.4)

23 min

153 (67.2)

34 sec

138 (58.9)

18 min

154 (67.8)

27 sec

139 (59.5)

15 min

155 (68.3)

22 sec

140 (60.0)

12 min

156 (68.9)

17 sec

141 (60.6)

9 min

157 (69.4)

14 sec

142 (61.1)

8 min

158 (70.0)

0 sec

143 (61.7)

6 min
  

144 (62.2)

5 min
  

145 (62.8)

4 min
  
Table C.1: Pasteurization times for beef, corned beef, lamb, pork and cured pork (FDA, 2009, 3-401.11.B.2).

Temperature

Time

Time

Time

Time

Time

Time

°F (°C)

1% fat

3% fat

5% fat

7% fat

9% fat

12% fat

136 (57.8)

64 min

65.7 min

68.4 min

71.4 min

74.8 min

81.4 min

137 (58.3)

51.9 min

52.4 min

54.3 min

56.8 min

59.7 min

65.5 min

138 (58.9)

42.2 min

42.7 min

43.4 min

45.3 min

47.7 min

52.9 min

139 (59.4)

34.4 min

34.9 min

35.4 min

36.2 min

38.3 min

43 min

140 (60.0)

28.1 min

28.5 min

29 min

29.7 min

30.8 min

35 min

141 (60.6)

23 min

23.3 min

23.8 min

24.4 min

25.5 min

28.7 min

142 (61.1)

18.9 min

19.1 min

19.5 min

20.1 min

21.1 min

23.7 min

143 (61.7)

15.5 min

15.7 min

16.1 min

16.6 min

17.4 min

19.8 min

144 (62.2)

12.8 min

12.9 min

13.2 min

13.7 min

14.4 min

16.6 min

145 (62.8)

10.5 min

10.6 min

10.8 min

11.3 min

11.9 min

13.8 min

146 (63.3)

8.7 min

8.7 min

8.9 min

9.2 min

9.8 min

11.5 min

148 (64.4)

5.8 min

5.8 min

5.9 min

6.1 min

6.5 min

7.7 min

150 (65.6)

3.8 min

3.7 min

3.7 min

3.9 min

4.1 min

4.9 min

152 (66.7)

2.3 min

2.3 min

2.3 min

2.3 min

2.4 min

2.8 min

154 (67.8)

1.5 min

1.5 min

1.5 min

1.5 min

1.5 min

1.6 min

156 (68.9)

59 sec

59.5 sec

1 min

1 min

1 min

1 min

158 (70.0)

38.8 sec

39.2 sec

39.6 sec

40 sec

40.3 sec

40.9 sec

160 (71.1)

25.6 sec

25.8 sec

26.1 sec

26.3 sec

26.6 sec

26.9 sec

162 (72.2)

16.9 sec

17 sec

17.2 sec

17.3 sec

17.5 sec

17.7 sec

164 (73.3)

11.1 sec

11.2 sec

11.3 sec

11.4 sec

11.5 sec

11.7 sec

166 (74.4)

0 sec

0 sec

0 sec

0 sec

0 sec

0 sec
Table C.2: Pasteurization times for a 7D reduction in Salmonella for chicken and turkey (FSIS, 2005).
 
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