10 15 Debate

10 15 Debate

Postby Batman » Tue Jan 26, 2010 5:34 pm

I picked up some oak wood dust from Ashwood Smoking Chips on Friday, certainly took a little finding. I also picked up a leaflet for some of the German sourced smoking chips they stock Raucher Gold which had an interesting comment on the ongoing discussion we've had around the need to get to 15% wieght loss from drying/smoking, this is what the leaflet says:

'An important economical aspect is the weight loss of the goods during the smoking process. This loss is normally approximately 10% in cold smoking goods. Hot smoked goods lose up to 15% of their weight. Through the use of high quality smoking vhips, the weight loss in the goods can be significantly reduced during the smoking process due to a consistent production process and short smoking time.'

I've tried to find the leaflet on the manufacturer's site but to no avail, so you will have to trust me re the reference on this or check with someone else that has been to Ashwood's and presumably will have been given a leaflet.

Clearly nothing conclusive but interesting never the less.
TonyB

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Re: 10 15 Debate

Postby saucisson » Tue Jan 26, 2010 6:02 pm

Batman wrote:I picked up some oak wood dust from Ashwood Smoking Chips on Friday, certainly took a little finding.


I must have asked in a dozen different units on the estate and none of them had ever heard of the place :) Maybe they are like Brigadoon :D

Dave
Curing is not an exact science... So it's not a sin to bin.

Great hams, from little acorns grow...
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Postby wheels » Tue Jan 26, 2010 6:04 pm

I have not seen this - I must get one when next at Ashwood.

For comparison, Torry Research Station say:

Smoking
Most UK salmon smokers prefer a medium cure, with a combined weight loss during salting and smoking of 16-18 per cent.

Hardwood sawdust, preferably oak, should he used to impart a pleasant flavour to the fish. The sawdust should be clean and free from wood preservatives or contaminants such as paraffin and other lubricants sometimes used on sawblades when cutting hardwoods. Sawdust containing particles of plastics laminates should never be used for smoking fish, since the fumes can be toxic.

In a mechanical kiln The kiln temperature is kept initially at 27°C and the fillets, laid on trays or hung on tenters, are smoked slowly to prevent overdrying of the cut surface and formation of a hard pellicle; residence time is usually 4-10 hours depending on size and fat content of the fillets. The kiln temperature is raised to 33°C for the last 15-20 minutes to bring oil to the surface of the fillets and give them an attractive appearance. Fillets from a 4-5 kg fish of high fat content typically require about 6 hours in the kiln. Salmon fillets generally acquire a sufficiently smoky flavour and enough colour after 5 hours; the smoke supply should then be cut off, leaving the fish to dry for the rest of the time, with the main fan and chimney fan still running.

If fillets on removal from the kiln are found to be too soft and flabby, they should either be returned at once to the kiln and drying continued, or they can be left to sweat, perhaps overnight, and then returned to the kiln for further drying at 27°C, with again a final period of 15-20 minutes at 33°C to bring out the oil.

The finished product should have a consistency rather like that of boiled ham, not too dry and fibrous, and be easily sliced.

Dry salted fillets should lose 7-9 per cent of their weight during smoking, to give the required total loss during salting and smoking of 16-18 per cent; brined fillets, which lose no weight during brining, need about twice as long in the kiln to give the same total weight loss.

In a traditional kiln Smoking time in a traditional chimney kiln is not predictable, because the process is less easily controlled, but a residence time of up to 48 hours is typical, and for large fillets during unfavourable weather the time can be as long as 60 hours. Some processors reduce the total time by hanging the fillets in a drying room heated to about 20°C for up to 24 hours before submitting them to a dense smoke. The finished product is rather more moist than that recommended earlier.


Phil
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Postby Batman » Wed Jan 27, 2010 3:39 pm

Yes Dave, I travelled along Telford Way a couple of times and eventually stopped where Google Maps had pinpointed the place to be and asked in a fireplace showroom, the lady had never heard of them but fortunately she asked her husband who pointed me in the right direction.

Telford Way actually splits off the main industrial park road and heads off N, Ashwood's is in the northernmost corner of the estate, right at the boundary between the A43 and the railway line.
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Postby wheels » Wed Jan 27, 2010 8:29 pm

Pauline got us lost the first time we went, so needless to say she looked up and we were right in front of it. Never try to win with women!! :lol:
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