Inappropriate geographical origin of meat
►
13
C
and
15
N
by isotope ratio mass spectrometry
Na
,
Mg
,
Ca
,
K
,
Ti
,
V
,
Mn
,
Fe
,
Co
,
Ni
,
Cu
,
Zn
,
Rb
,
Se
,
Sr
,
Zr
,
Mo
,
Ba
by ICP‐MS
Province/Region Alt. (m)
Heilongjiang
128
Yunnan
1890
Tibet
4800
Shandong
50
Substitution of meat ingredients by other tissues …
Modification of the ingredients processing methods
►
►
Identify the presence of different animal tissues in tortellini meat‐filling
with special emphasis on the percentage of skeletal muscle
Identify fresh versus frozen‐thawed meat in the muscle
longissimus
dorsi
of prok
0: fresh meat
1: frozen‐thawed meat
