S-ALLYL-L-CYSTEINE CAS NO.21593-77-1

Product Name:    S-ALLYL-L-CYSTEINE              
Synonyms:    S-ALLYL-L-CYSTEINE;(R)-ALLYLTHIO-2-AMINOPROPIONIC ACID;s-allylcysteine;CYSTEINE, S-ALLYL-L-;DEOXYALLIIN;L-DEOXYALLIIN;(L)-3-(ALLYLSULFENYL)-ALANINE;Allylcysteine
CAS:    21593-77-1                 
MF:    C6H11NO2S
MW:    161.22
EINECS:                              
Mol File:    21593-77-1.mol

Melting point     235-236℃
Boiling point     300℃
density     1.191
FEMA     4322 | S-ALLYL-L-CYSTEINE
Fp     135℃
storage temp.     -20°C
solubility     H2O: >10mg/mL
pka    2.07±0.10(Predicted)
form     powder
color     white to beige
optical activity    [α]/D -8 to -15°, c = 1 in H2O
JECFA Number    1710
CAS DataBase Reference    21593-77-1(CAS DataBase Reference)
Safety Information
Hazard Codes     Xi
Risk Statements     43
Safety Statements     36/37
WGK Germany     3
RTECS     HA2466200
MSDS Information
S-ALLYL-L-CYSTEINE Usage And Synthesis
As a flavor ingredient    Identification

CAS.No.:     21593-77-1     FL.No.:     15.055    FEMA.No.:     4322    NAS.No.:     n/a 
CoE.No.:     n/a     EINECS.No.     n/a     JECFA.No.:     1710    　    　
Description: White powder; cooked roasted brown aroma.

Regulatory Status:
CoE: n/a
FDA: n/a
FDA (other): n/a
JECFA: ADI: Acceptable. No safety concern at current levels of intake when used as a flavoring agent (2007).

Reported uses (ppm): (FEMA, 2007)

Food Category     Usual     Max. 
Baked goods     2    25
Breakfast cereal     2    25
Cheese     2    25
Condiments, relishes     2    25
Fats, oils     2    25
Fish products     2    25
Gravies     2    25
Imitation dairy     2    25
Instant coffee, tea     2    25
Meat products     2    25
Nut products     2    25
Poultry     2    25
Processed vegetables     2    25
Reconstituted vegetables     2    25
Seasonings/flavors     2    25
Snack foods     2    25
Soups     2    25
  Natural occurrence: Reported found in garlic.
Chemical Properties    White powder; cooked roasted brown aroma.
Occurrence    Reported found in garlic
Uses    A water-soluble organosulfur
Uses    antineoplastic
Uses    L-Deoxyalliin is a organosulfur compound that naturally occurs in garlic. L-Deoxyalliin is known to exhibit neuroprotective and antioxidative properties.
Definition    ChEBI: An S-hydrocarbyl-L-cysteine that is L-cysteine in which the hydrogen attached to the sulphur is replaced by a prop-2-enyl group. It commonly occurs in garlic and has been found to exhibit antineoplastic activity.
Aroma threshold values    High strength odor; recommend smelling in a 0.10% solution or less