Page 51 - #56 English

fries, chips, bread and even the smoke from cigarettes have acrylamide in it.
In 1994, IARC listed acrylamide into 2A of carcinogen (things that can cause
cancer). It may sound terrifying, but according to the research done by JECFA,
it will not be dangerous if we only inhale a normal amount. However, if we inhale
too much, then it will affect our nervous system, or even cause cancer. Right
now, California is thinking of an amendment to put a warning label on the coffee.

Quantity Mean(g/kg) Maximum value (g/kg)

93（101） 13 116

205（709） 288 1231
grinded, uncooked)

20（119） 1100 4948

26（34） 668 5399

Acrylamide content in coffee products
Of course, releasing acrylamide during roasting is uninten-
tional, when the process is done, only few amount of acrylamide
left in the coffee and most of it is gone after the later process
of grinding and filtering. There won’t be any left in the drinking
liquid. According to the results on the intake of acrylamide over
17 countries, people usually inhale 0.3-2.0 µg/kg•bw/day of
acrylamide, some inhale about 5.1 µg/kg•bw/day, they need to
pay more attention to their health.
To the Roasters

So for those who working in the coffee business for a long time, no To process the wasted gas,
matter in a roast factory or in a self-roasting café, they need to pay attention released from the pre-heated
to the wasted gas while they work. Despite this, they need to wear a mask beans, out of the warehouse:
while working, it is important to install proper ventilation systems to reduce first process the gas alone
the air pollution. before mixing with the nor-
Currently, the coffee industry in China doesn’t care much about the mal gas, in order to separate
recycle of the wasted gas, majority of the self-roasting cafes don’t even have and purify the substances
a proper ventilation system. The policies of the government are also respon- within the wasted gas.
sible for that. Like in some European countries, it is necessary to make it
mandatory to install one. For example, the famous Probat in Germany put the
environmental problems under their consideration. Thus, Probat developed reference：●http://www.
a mature technology of recycling wasted gas. They use the Ecologist Proforte cf s. g o v .h k/t c_ c h i/p r o -
processing system, by recycling the wasted gas and reducing the negative gramme/programme_rafs/
influence on the environment, therefore, increasing the power efficiency. As programme_rafs_fc_02_07.
people are starting to care more about the environment, some processing html ●http://www.acryl-
systems are being established in China, a few big roasteries have installed amide-food.org/ ●https://
their own processing systems for recycling the gas. www.cdc.gov/niosh/topics/
Also wearing an oxygen mask is a basic method of reducing the intake flavorings/engineeringcon-
of poisonous gas for the roasters. At the same time, try to work in an open-air trols.html●https://www.
environment, because it will dilute the density of the wasted gas and also it cdc.gov/niosh/topics/fla-
will reduce the amount of pollution. v o rings/p r oc essing.
We believe as people are paying more attentions to this matter, the roast- html●http://www.science-
ing system will be much better in the future. Also we hope, roasters will care direct.com/science/article/
more about their health while they work. pii/S2214750015300445

51