This document establishes standards for animal feed supplements containing methionine. It specifies the minimum methionine content, maximum limits for other substances, and labeling requirements. The standards are intended to protect animal health and prevent fraudulent or deceptive practices with methionine supplements. Manufacturers must ensure their products meet the purity thresholds and ingredient specifications outlined in the document.

1. ‫ﺻﻔﺤﺎت‬ 7 1 CODEX STAN 181-1991
K6087/A
‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬ ‫א‬181−1991
1−‫א‬
، ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬
‫א‬2.
‫א‬ ‫א‬‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬
.
2−‫א‬
، ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬""
، ‫א‬ ‫א‬ ‫א‬‫א‬ ‫א‬ ‫א‬.
3−‫א‬ ‫א‬ ‫א‬ ‫א‬
3-1‫א‬
3−1−1‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬800
)3350(1200)5020.(‫א‬‫א‬ ‫א‬ ‫א‬
‫א‬‫א‬ ‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬34‫א‬ ‫א‬ ،.
3−1−2‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬200
)835(400)1670(.‫א‬
، ‫א‬ ‫א‬ ‫א‬‫א‬1200)5020.(

2. CODEX STAN 181-1991 ‫ﺻﻔﺤﺎت‬ 7 ‫ﻣﻦ‬ 2
09/CODEX STAN/K6087a
3−2‫א‬ ‫א‬ ‫א‬
3−2−1‫א‬
3−2−1−1‫א‬ ‫א‬25٪50٪‫א‬ ‫א‬
‫א‬ ، ‫א‬ ‫א‬.‫א‬125‫א‬.
3−2−1−2‫א‬:
)1(‫א‬ ‫א‬‫א‬)‫א‬ ‫א‬(‫؛‬
)2(‫א‬ ‫א‬ ، ‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬.80٪‫א‬ ‫א‬
‫א‬ ‫א‬‫א‬.
3−2−1−3‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬.
‫א‬ ‫א‬ ‫א‬L-forms‫א‬ ،)DL-methionine(‫א‬ ‫א‬.
3−2−2‫א‬‫א‬
‫א‬30٪، ‫א‬ ‫א‬ ‫א‬ ‫א‬3٪
‫א‬ ‫א‬‫א‬).(
3−2−3‫א‬ ‫א‬
3-2-3-1‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬100٪‫א‬
‫א‬ ‫א‬ ‫א‬‫א‬.‫א‬ ‫א‬ ‫א‬ ‫א‬
‫א‬‫א‬.

3. ‫ﺻﻔﺤﺎت‬ 7 ‫ﻣﻦ‬ 3‫ﺻﻔﺤﺔ‬ CODEX STAN 181-1991
09/CODEX STAN/K6087a
600‫א‬ ، ‫א‬
2.5‫א‬
‫ه‬10‫א‬
30‫א‬
0.8‫א‬
1.2‫א‬
11‫א‬
62‫א‬
121‫א‬
200‫א‬
500‫א‬
500‫א‬
16‫א‬
140‫א‬
350‫א‬
1.5‫א‬
6‫א‬
1.6‫א‬
1.0‫א‬
3−2−3−2‫א‬ ‫א‬ ، ‫א‬ ‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬3−2−3−133٪25٪‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬ ، ‫א‬34.
3-3‫א‬
‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬/
، ‫א‬، ‫א‬ ‫א‬
‫א‬3−1‫א‬3−2،.

4. CODEX STAN 181-1991 ‫ﺻﻔﺤﺎت‬ 7 ‫ﻣﻦ‬ 4
09/CODEX STAN/K6087a
4−‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬، ‫א‬ ‫א‬‫א‬ ‫א‬ ‫א‬.
5−‫א‬
5−1‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬ ، ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬ ‫א‬، ‫א‬ ‫א‬ ‫א‬ ‫א‬
‫א‬.
5-2‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬ ، ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬
،‫א‬ ‫א‬ ‫א‬ ‫א‬ ، ‫א‬ ‫א‬ ‫א‬.
6−‫א‬‫א‬ ‫א‬‫א‬
6−1‫א‬‫א‬ ‫א‬ ، ‫א‬ ‫א‬ ‫א‬.
6−2‫א‬‫א‬ ،‫א‬ ‫א‬‫א‬:
)(‫؛‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬
)(‫א‬ ‫א‬‫א‬‫א‬‫؛‬ ‫א‬
)(‫א‬‫א‬‫א‬.

5. ‫ﺻﻔﺤﺎت‬ 7 ‫ﻣﻦ‬ 5‫ﺻﻔﺤﺔ‬ CODEX STAN 181-1991
09/CODEX STAN/K6087a
7−‫א‬
7−1‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬.‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫؛‬ ‫א‬ ‫א‬ ،
.
7−2‫א‬‫א‬، ‫א‬ ‫א‬ ،‫א‬‫א‬‫א‬.
‫א‬ ‫א‬ ، ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬.
8−‫א‬‫א‬
‫א‬ ‫א‬ ‫א‬ ‫א‬ ، ‫א‬ ‫א‬:
)(80٪‫א‬ ‫א‬150‫א‬)5(‫؛‬
)(85٪‫א‬ ‫א‬ ‫א‬−-150250‫א‬
)-58(‫؛‬
)(90٪‫א‬ ‫א‬250‫א‬)8.(‫א‬
‫א‬.
‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬20‫א‬ ‫א‬ ‫א‬
.
9−‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬)‫א‬ ‫א‬ ‫א‬ ‫א‬
1985−146−1985(‫א‬ ‫א‬ ،:
9−1‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬"‫א‬ ‫א‬."

6. CODEX STAN 181-1991 ‫ﺻﻔﺤﺎت‬ 7 ‫ﻣﻦ‬ 6
09/CODEX STAN/K6087a
9−2‫א‬
4−2‫א‬ ‫א‬ ‫א‬.
9−3‫א‬ ‫א‬ ‫א‬
9−3−1‫א‬ ‫א‬ ‫א‬ ‫א‬100‫א‬100‫א‬‫א‬ ‫א‬
‫א‬ ، ‫א‬ ‫א‬.
)(‫؛‬ ‫א‬ ‫א‬ ‫א‬
)(‫؛‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ، ‫א‬
)(‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬3−2−3.
)(‫א‬ ‫א‬ ‫א‬ ‫א‬.
9−3−2‫א‬ ‫א‬ ‫א‬ ، ‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬)CAC/GL 1-1979.(
9−3−3‫א‬ ‫א‬ ‫א‬ ،‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬)Reference RDA(‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬.
9−3−4، ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬‫א‬ ‫א‬
‫א‬9−3−19−3−3‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬.
9−3−5‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬)(‫א‬ ،
‫א‬ ‫א‬‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬9−3−1.

7. ‫ﺻﻔﺤﺎت‬ 7 ‫ﻣﻦ‬ 7‫ﺻﻔﺤﺔ‬ CODEX STAN 181-1991
09/CODEX STAN/K6087a
9-4‫א‬
‫א‬ ‫א‬4−8‫א‬ ‫א‬ ‫א‬.
9−5‫א‬
9−5−1‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬ ‫א‬.
9−5−2‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬‫א‬.‫א‬ ‫א‬‫א‬
‫א‬ ‫א‬ ‫א‬ ‫א‬‫א‬ ‫א‬ ‫א‬.
9−6
9−6−1‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬‫א‬ ‫א‬ ‫א‬
‫א‬‫א‬.
9−6−2‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬
‫א‬‫א‬.
9−6−3‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬20‫א‬ ، ‫א‬ ‫א‬
‫א‬ ‫א‬.
9−6−4‫א‬‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬.
9−6−5‫א‬‫א‬ ، ‫א‬ ‫א‬ ‫א‬ ‫א‬
‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬ ‫א‬.