Category: flavor and fragrance agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Physical Properties:
Appearance: | white to yellow crystals (est) |
Assay: | 98.00 to 100.00 %
|
Additional Assay Information: | sum of 2,3- 2,5- and 2,6- isomers |
Food Chemicals Codex Listed: | Yes |
Melting Point: | 37.00 to 48.00 °C. @ 760.00 mm Hg
|
Boiling Point: | 154.00 to 155.00 °C. @ 760.00 mm Hg
|
Vapor Pressure: | 3.873000 mmHg @ 25.00 °C. (est) |
Flash Point: | 127.00 °F. TCC ( 52.78 °C. )
|
logP (o/w): | 0.540 |
Soluble in: |
| alcohol | | essential oils | | water, 3.816e+004 mg/L @ 25 °C (est) |
Insoluble in: |
| water |
Organoleptic Properties:
|
Odor Type: chocolate |
|
Odor Strength: | medium , recommend smelling in a 10.00 % solution or less |
|
Substantivity: | 37 |
|
| ethereal cocoa nutty roasted meaty roasted meaty beefy brown coffee buttermilk |
Odor Description: at 10.00 % in dipropylene glycol. | ethereal cocoa nutty roasted roasted meaty beefy brown coffee buttermilk Luebke, William tgsc, (2021) |
|
|
Flavor Type: meaty |
|
| meaty nutty roasted cocoa brothy bready coffee musty |
Taste Description:
| meaty nutty roasted cocoa brothy bready coffee musty Luebke, William tgsc, (2021) |
|
Odor and/or flavor descriptions from others (if found). |
|
Sigma-Aldrich |
2,6-Dimethylpyrazine, ≥98%, FG |
Taste Description: | nutty coffee cocoa musty bready meaty |
|
Advanced Biotech |
2,6 DIMETHYL PYRAZINE |
Odor Description: | Chocolate, Nutty, Roasted |
|
Ernesto Ventós |
2,6-DIMETHYLPYRAZINE |
Odor Description: | ROAST BEEF, COCOA, COFFEE, NUTTY |
Taste Description: | nutty coffee cocoa musty bready meaty |
|
FCI SAS |
2,6-DIMETHYL PYRAZINE |
Odor Description: | Roast, coffee, peanut and meat |
Taste Description: | nutty coffee cocoa musty bready meaty |
|
|
Cosmetic Information:
Suppliers:
Advanced Biotech |
2,6 DIMETHYL PYRAZINE
Odor: Chocolate, Nutty, Roasted |
Advanced Biotech |
2,6-DIMETHYL PYRAZINE NATURAL
>99% min. (mixed isomers) Odor: Chocolate, roasted nuts |
Ambles Nature et Chimie |
2.6-DIMETHYL PYRAZINE
|
Anhui Haibei |
2,6-Dimethyl Pyrazine
Odor: Cocoa roasted nuts roast beef coffee |
Anhui Suzhou Jinli Aromatic Chemicals |
2,6-Dimethyl Pyrazine
Odor: roast, coffee, peanut, meat |
Augustus Oils |
2 6 Dimethyl Pyrazine
|
Services |
Beijing Lys Chemicals |
2,6-Dimethylpyrazine
|
BOC Sciences |
For experimental / research use only. |
2,6-Dimethylpyrazine
|
Charkit Chemical |
DIMETHYLPYRAZINE, 2,6- FEMA 3273
|
EMD Millipore |
For experimental / research use only. |
2,6-Dimethylpyrazine
|
Endeavour Specialty Chemicals |
2,6-Dimethyl pyrazine
|
Speciality Chemical Product Groups |
Ernesto Ventós |
2,6-DIMETHYLPYRAZINE
Odor: ROAST BEEF, COCOA, COFFEE, NUTTY |
Excellentia International |
2,6-Dimethyl Pyrazine (Pyrazine Mix. # 12, 16, 20) Natural
|
FCI SAS |
2,6-DIMETHYL PYRAZINE
Odor: Roast, coffee, peanut and meat |
Frutarom |
26 DIMETHYLPYRAZINE
KOSHER Flavor: Roasted, Nutty, Cocoa, Meaty, Coffee |
CBD Offering |
IFF |
26 DIMETHYLPYRAZINE
KOSHER Flavor: Roasted, Nutty, Cocoa, Meaty, Coffee |
Indukern F&F |
2,6-DIMETHYL PYRAZINE
Odor: NUTTY, COFFEE |
Jiangyin Healthway |
2,6-Dimethyl Pyrazine
|
New functional food ingredients |
Jinan Enlighten Chemical Technology(Wutong Aroma ) |
2,6-Dimethyl pyrazine, Kosherk
|
Kingchem Laboratories |
2,6 DIMETHYLPYRAZINE
Odor: Roast, Coffee, Earthnut, Meat |
M&U International |
2,6-DIMETHYL PYRAZINE, Kosher
|
Matrix Scientific |
For experimental / research use only. |
2,6-Dimethylpyrazine, 95+%
|
Moellhausen |
2,6-DIMETHYL PYRAZINE
|
Myrazine |
Pyrazine, 2,6-dimethyl-
Odor: cocoa roasted nuts roast beef coffee |
OQEMA |
2,6-Dimethyl Pyrazine
|
Pearlchem Corporation |
2,6-Dimethyl Pyrazine
|
Penta International |
2,6-DIMETHYL PYRAZINE
|
Penta International |
2,6-DIMETHYLPYRAZINE NATURAL NEAT
|
R C Treatt & Co Ltd |
2,6-Dimethylpyrazine
Halal, Kosher |
Reincke & Fichtner |
2,6-Dimethylpyrazine
|
Riverside Aromatics |
2,6-DIMETHYLPYRAZINE
|
Robinson Brothers |
2,6-Dimethyl pyrazine F&F
|
https://www.robinsonbrothers.uk/chemistry-competences |
Santa Cruz Biotechnology |
For experimental / research use only. |
2,6-Dimethylpyrazine
|
Sigma-Aldrich |
2,6-Dimethylpyrazine natural (US)
Odor: coffee; meaty; nutty |
Certified Food Grade Products |
Sigma-Aldrich |
2,6-Dimethylpyrazine, ≥98%, FG
|
Sunaux International |
2,6-Dimethyl Pyrazine
|
Synerzine |
2,6-DIMETHYLPYRAZINE, NATURAL
|
Synerzine |
2,6-Dimethylpyrazine
|
Taytonn ASCC |
2,6-Dimethylpyrazine
Odor: Cocoa, Coffee, Meaty, Nutty, Roast |
TCI AMERICA |
For experimental / research use only. |
2,6-Dimethylpyrazine >98.0%(GC)(T)
|
Tengzhou Jitian Aroma Chemiclal |
2,6-Dimethyl Pyrazine
|
Tengzhou Xiang Yuan Aroma Chemicals |
2,6-Dimethyl Pyrazine
|
Tianjin Danjun International |
2,6-Dimethylpyrazine
|
United International |
2,6-Dimethyl Pyrazine Nat.
|
United International |
2,6-Dimethyl Pyrazine
|
Vigon International |
DIMETHYL-2,6 PYRAZINE NATURAL
|
Vigon International |
Dimethyl-2,6 Pyrazine
|
WholeChem |
2,6-Dimethylpyrazine
|
Safety Information:
Preferred SDS: View |
European information : |
Most important hazard(s): | Xn - Harmful. |
R 10 - Flammable. R 22 - Harmful if swallowed. R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 02 - Keep out of the reach of children. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
|
|
Hazards identification |
|
Classification of the substance or mixture |
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) |
None found. |
GHS Label elements, including precautionary statements |
|
Pictogram | |
|
Hazard statement(s) |
None found. |
Precautionary statement(s) |
None found. |
Oral/Parenteral Toxicity: |
oral-rat LD50 880 mg/kg Drug and Chemical Toxicology. Vol. 3, Pg. 249, 1980.
intraperitoneal-mouse LD50 1080 mg/kg Toxicology and Applied Pharmacology. Vol. 17, Pg. 244, 1970.
|
Dermal Toxicity: |
Not determined
|
Inhalation Toxicity: |
Not determined
|
Safety in Use Information:
Category: | flavor and fragrance agents |
RIFM Fragrance Material Safety Assessment: Search |
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice |
Recommendation for 2,6-dimethyl pyrazine usage levels up to: | | 0.0500 % in the fragrance concentrate.
|
|
Maximised Survey-derived Daily Intakes (MSDI-EU): | 1.30 (μg/capita/day) |
Maximised Survey-derived Daily Intakes (MSDI-USA): | 2.00 (μg/capita/day) |
Structure Class: | II |
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS). |
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library |
publication number: 5. Update in publication number(s): 29 |
Click here to view publication 5 |
| average usual ppm | average maximum ppm |
baked goods: | 10.00000 | 10.00000 |
beverages(nonalcoholic): | 10.00000 | 10.00000 |
beverages(alcoholic): | 0.10000 | 5.00000 |
breakfast cereal: | 10.00000 | 10.00000 |
cheese: | - | - |
chewing gum: | - | - |
condiments / relishes: | 10.00000 | 10.00000 |
confectionery froastings: | - | - |
egg products: | - | - |
fats / oils: | - | - |
fish products: | - | - |
frozen dairy: | 10.00000 | 10.00000 |
fruit ices: | - | - |
gelatins / puddings: | 10.00000 | 10.00000 |
granulated sugar: | - | - |
gravies: | 10.00000 | 10.00000 |
hard candy: | 10.00000 | 10.00000 |
imitation dairy: | - | - |
instant coffee / tea: | - | - |
jams / jellies: | - | - |
meat products: | 10.00000 | 10.00000 |
milk products: | 10.00000 | 10.00000 |
nut products: | - | - |
other grains: | - | - |
poultry: | - | - |
processed fruits: | - | - |
processed vegetables: | - | - |
reconstituted vegetables: | - | - |
seasonings / flavors: | - | - |
snack foods: | - | - |
soft candy: | 10.00000 | 10.00000 |
soups: | 10.00000 | 10.00000 |
sugar substitutes: | - | - |
sweet sauces: | - | - |
Safety References:
Flavor & Extract Manufacturers Association (FEMA) reference(s): |
The FEMA GRAS assessment of pyrazine derivatives used as flavor ingredients. View pdf |
European Food Safety Athority(EFSA): | Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
European Food Safety Authority (EFSA) reference(s): |
Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) on a request from the Commission related to Flavouring Group Evaluation 17 (FGE.17): Pyrazine derivatives from chemical group 24 (Commission Regulation (EC) No 1565/2000 of 18 July 2000) View page or View pdf |
Flavouring Group Evaluation 50 (FGE.50): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17 (2005) (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) View page or View pdf |
Flavouring Group Evaluation 17, Revision 1 (FGE.17Rev1): Pyrazine derivatives from chemical group 24 - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) [1] View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 17, Revision 2 (FGE.17Rev2): Pyrazine derivatives from chemical group 24 View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 50, Revision 1 (FGE.50Rev1): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17Rev2 (2010) View page or View pdf |
Safety and efficacy of pyrazine derivatives including saturated ones belonging to chemical group 24 when used as flavourings for all animal species View page or View pdf |
EPI System: | View |
Chemical Carcinogenesis Research Information System: | Search |
AIDS Citations: | Search |
Cancer Citations: | Search |
Toxicology Citations: | Search |
EPA Substance Registry Services (TSCA): | 108-50-9 |
EPA ACToR: | Toxicology Data |
EPA Substance Registry Services (SRS): | Registry |
Laboratory Chemical Safety Summary : | 7938 |
National Institute of Allergy and Infectious Diseases: | Data |
WISER: | UN 1325 |
WGK Germany: | 3 |
| 2,6-dimethylpyrazine |
Chemidplus: | 0000108509 |
RTECS: | UQ2975000 for cas# 108-50-9 |
References:
Other Information:
Potential Blenders and core components note
|
For Odor |
No odor group found for these |
4- | hydroxymethyl-pyridine | |
2- | methyl-3-pentyl pyrazine | |
| sulfuryl octanoate | FL/FR |
|
| butyl decanoate | FL/FR |
| sulfuryl butyrate | FL/FR |
| sulfuryl decanoate | FL/FR |
| sulfuryl hexanoate | FL/FR |
| sulfuryl isobutyrate | FL/FR |
| sulfuryl propionate | FL/FR |
animal |
5- | methyl-7(H)-cyclopenta[b]pyrazine | |
balsamic |
| guaiacyl phenyl acetate | FL/FR |
| guaiyl acetate | FL/FR |
bready |
| coffee furanone | FL/FR |
| furfural | FL/FR |
| rum ether | FL/FR |
caramellic |
| ethyl cyclopentenolone | FL/FR |
| fenugreek absolute | FL/FR |
| fenugreek oleoresin | FL/FR |
| maltol | FL/FR |
| shoyu furanone | FL/FR |
| toffee furanone | FL/FR |
| chocolate pyrazine A | FL/FR |
| cocoa hexenal | FL/FR |
2,5- | dimethyl pyrazine | FL/FR |
2- | ethyl-3-methoxypyrazine | FL/FR |
| nutty pyrazine | FL/FR |
fermented |
iso | amyl alcohol | FL/FR |
floral |
| champaca absolute | FR |
| dimethyl benzyl carbinyl propionate | FR |
| geranyl formate | FL/FR |
alpha-iso | methyl ionone (90% min.) | FL/FR |
| phenethyl isobutyrate | FL/FR |
| tea acetate | FR |
| tetrahydrolinalool | FL/FR |
fruity |
| heptyl butyrate | FL/FR |
green |
2- | heptyl furan | FL/FR |
| magnolia flower oil | FL/FR |
herbal |
6- | acetoxydihydrotheaspirane | FL/FR |
| clary sage absolute | FL/FR |
| clary sage oil france | FL/FR |
licorice |
sweet | basil oleoresin | FL/FR |
| sulfurol | FL/FR |
| sulfuryl acetate | FL/FR |
minty |
dextro- | carvone | FL/FR |
musty |
2- | acetyl pyrrole | FL/FR |
3- | acetyl-2,5-dimethyl furan | FL/FR |
| menthofuran | FL/FR |
ketoiso | phorone | FL/FR |
nutty |
2- | acetyl-3-ethyl pyrazine | FL/FR |
2- | acetyl-3-methyl pyrazine | FL/FR |
3,5- | cocoa pyrazine | FL/FR |
3,6- | cocoa pyrazine | FL/FR |
2- | ethyl pyrazine | FL/FR |
2- | ethyl-4-methyl thiazole | FL/FR |
| filbert heptenone | FL/FR |
| filbert pyrazine | FL/FR |
2,6- | lutidine | FL/FR |
2- | methyl pyrazine | FL/FR |
2- | methyl-3-(methyl thio) pyrazine | FL/FR |
| nutty quinoxaline | FL/FR |
| sesame absolute | FL/FR |
2,3,5,6- | tetramethyl pyrazine | FL/FR |
2,4,5- | trimethyl oxazole | FL/FR |
2,3,5- | trimethyl pyrazine | FL/FR |
popcorn |
2- | acetyl pyrazine | FL/FR |
2- | acetyl thiazole | FL/FR |
roasted |
2- | acetyl-2-pyrroline | |
spicy |
| caraway seed oleoresin | FL/FR |
(-)- | cubenol | FL/FR |
| furfuryl thioacetate | FL/FR |
tropical |
| genet absolute | FL/FR |
vegetable |
| methional | FL/FR |
| tetrahydrofurfuryl alcohol | FL/FR |
woody |
| cyperus root oil (cyperus rotundus) | FR |
(-)- | guaiol | FR |
laevo- | glutamic acid | CS |
|
For Flavor |
|
No flavor group found for these |
6- | acetoxydihydrotheaspirane | FL/FR |
2- | acetyl-2-pyrroline | |
2- | acetyl-6-methyl pyrazine | FL |
| benzyl methyl sulfide | FL |
| butyl decanoate | FL/FR |
2(4)-iso | butyl-4(2),6-dimethyl dihydro-4H-1,3,5-dithiazine | FL |
| chocolate pyrazine A | FL/FR |
| chocolate pyrazine B | FL |
6,7- | dihydro-2,3-dimethyl-5H-cyclopentapyrazine | FL |
| dimethyl dihydrocyclopentapyrazine | FL |
2,5- | dimethyl thiazole | FL |
2- | ethyl-3-methoxypyrazine | FL/FR |
(Z+E)-5- | ethyl-4-methyl-2-(2-butyl) thiazoline | FL |
(Z+E)-5- | ethyl-4-methyl-2-(2-methyl propyl) thiazoline | FL |
2- | formyl pyrrole | FL |
| green pea pyrazine | FL |
| guaiyl acetate | FL/FR |
| magnolia flower oil | FL/FR |
2- | methoxy-3-propyl pyrazine | FL |
| methyl 2-(methyl thio) acetate | FL |
4-( | methyl thio) butanol | FL |
2- | methyl-2-thiazoline | FL |
2- | methyl-3-(methyl thio) pyrazine | FL/FR |
5- | methyl-7(H)-cyclopenta[b]pyrazine | |
| sulfuryl butyrate | FL/FR |
| sulfuryl decanoate | FL/FR |
| sulfuryl hexanoate | FL/FR |
| sulfuryl isobutyrate | FL/FR |
| thiazole | FL |
|
2,4- | dimethyl-3-oxazoline | FL |
| sulfuryl formate | FL |
| sulfuryl octanoate | FL/FR |
| sulfuryl propionate | FL/FR |
1-(2- | thienyl) butanone | FL |
alliaceous |
| dicyclohexyl disulfide | FL |
3- | mercapto-2-pentanone | FL |
2- | methyl thioacetaldehyde | FL |
bready |
2- | propionyl thiazole | FL |
brown |
| fenugreek oleoresin | FL/FR |
| furfural | FL/FR |
burnt |
| furfuryl alcohol | FL |
| rum ether | FL/FR |
2,4,5- | trimethyl oxazole | FL/FR |
caramellic |
| fenugreek absolute | FL/FR |
| maltol | FL/FR |
| shoyu furanone | FL/FR |
| toffee furanone | FL/FR |
chemical |
2,5- | dimethyl furan | FL |
citrus |
ketoiso | phorone | FL/FR |
cocoa |
| butyraldehyde | FL |
| cocoa hexenal | FL/FR |
coffee |
| diisoamyl thiomalate | FL |
2,4- | dimethyl thiazole | FL |
2- | ethyl-4-methyl thiazole | FL/FR |
| methyl furfuryl thiol | FL |
corn chip |
2- | acetyl thiazole | FL/FR |
2- | acetyl-2-thiazoline | FL |
earthy |
| difurfuryl sulfide | FL |
fatty |
2- | heptyl furan | FL/FR |
fishy |
4,5- | dimethyl thiazole | FL |
floral |
alpha-iso | methyl ionone (90% min.) | FL/FR |
| tetrahydrolinalool | FL/FR |
fusel |
iso | amyl alcohol | FL/FR |
green |
| geranyl formate | FL/FR |
| heptyl butyrate | FL/FR |
2- | methyl-5-isopropyl pyrazine | FL |
| propylene glycol acetone ketal | FL |
hay |
| genet absolute | FL/FR |
hazelnut |
4- | hydroxymethyl-pyridine | |
herbal |
| clary sage absolute | FL/FR |
| clary sage oil france | FL/FR |
honey |
| phenethyl isobutyrate | FL/FR |
jammy |
| ethyl cyclopentenolone | FL/FR |
licorice |
sweet | basil oleoresin | FL/FR |
meaty |
3- | mercapto-2-butanone | FL |
2- | methyl 3-(methyl thio) furan | FL |
2- | methyl-3-tetrahydrofuran thiol | FL |
2- | pyridinyl methane thiol | FL |
| sulfurol | FL/FR |
| sulfuryl acetate | FL/FR |
metallic |
2,5- | dihydroxy-1,4-dithiane | FL |
milky |
dextro,laevo-3-( | methyl thio) butanone | FL |
minty |
dextro- | carvone | FL/FR |
musty |
2,5- | dimethyl pyrazine | FL/FR |
2- | ethoxythiazole | FL |
| menthofuran | FL/FR |
| propionaldehyde | FL |
2,3,5- | trimethyl pyrazine | FL/FR |
nutty |
2- | acetyl pyrrole | FL/FR |
3- | acetyl-2,5-dimethyl furan | FL/FR |
3- | acetyl-2,5-dimethyl thiophene | FL |
2- | acetyl-3-ethyl pyrazine | FL/FR |
2- | acetyl-3-methyl pyrazine | FL/FR |
3,6- | cocoa pyrazine | FL/FR |
3,5- | cocoa pyrazine | FL/FR |
| coffee furanone | FL/FR |
3,5- | diethyl-2-methyl pyrazine | FL |
2,5- | diethyl-3-methyl pyrazine | FL |
2- | ethyl pyrazine | FL/FR |
1- | ethyl-2-acetyl pyrrole | FL |
2- | ethyl-6-methyl pyrazine | FL |
| filbert heptenone | FL/FR |
| filbert pyrazine | FL/FR |
2,6- | lutidine | FL/FR |
2- | methyl pyrazine | FL/FR |
2- | methyl-3-pentyl pyrazine | |
| nutty pyrazine | FL/FR |
| nutty quinoxaline | FL/FR |
| sesame absolute | FL/FR |
| tetrahydrofurfuryl alcohol | FL/FR |
2,3,5,6- | tetramethyl pyrazine | FL/FR |
phenolic |
| guaiacyl phenyl acetate | FL/FR |
popcorn |
2- | propionyl-2-thiazoline | FL |
radish |
3-( | methyl thio) propyl mercaptoacetate | FL |
roasted |
2- | acetyl pyrazine | FL/FR |
| ethyl 3-(furfuryl thio) propionate | FL |
| furfuryl thioacetate | FL/FR |
spicy |
| caraway seed oleoresin | FL/FR |
(-)- | cubenol | FL/FR |
sulfurous |
2,3- | butane dithiol | FL |
| methyl 2-methyl-3-furyl disulfide | FL |
3- | methyl-2-butane thiol | FL |
| potato butanone | FL |
tomato |
| methional | FL/FR |
vegetable |
| potato butyraldehyde | FL |
waxy |
| furfuryl octanoate | FL |
winey |
5- | ethyl-2-methyl pyridine | FL |
yeasty |
| faex extracts | FL |
|
Potential Uses:
Occurrence (nature, food, other): note
Synonyms:
2,6- | dimethyl paradiazine | 2,6- | dimethyl piazine | 2,6- | dimethyl pyrazine, kosher | 2,6- | dimethyl-1,4-diazine | | dimethyl-2,6 pyrazine | 2,6- | dimethylparadiazine | 2,6- | dimethylpiazine | 2,6- | dimethylpyrazine | 2,6 | dimethylpyrazine | 3,5- | dimethylpyrazine | 2- | methyl-6-methylpyrazine |
Articles:
PubMed: | Determination of the alkylpyrazine composition of coffee using stable isotope dilution-gas chromatography-mass spectrometry (SIDA-GC-MS). |
J-Stage: | Chemical Profiles of Methylpyrazines Contained in Commercially Available Natto |
PubMed: | Pyrazine analogues are active components of wolf urine that induce avoidance and freezing behaviours in mice. |
J-Stage: | Quantitative Analysis of Alkylpyrazines in Regular- and Low-fat Commercial Peanut Butter Preparations |
PubMed: | Mechanistic elucidation of linker and ancillary ligand substitution reactions in Pt(II) dinuclear complexes. |
PubMed: | Bis(cyanato-ÎșN)tetra-kis-(2,6-dimethyl-pyrazine-ÎșN(4))nickel(II). |
PubMed: | Desalination of fish sauce by electrodialysis: effect on selected aroma compounds and amino acid compositions. |
PubMed: | Identification of 2-ethyl-4-methyl-3-thiazoline and 2-isopropyl-4-methyl-3-thiazoline for the first time in nature by the comprehensive analysis of sesame seed oil. |
PubMed: | Alkylpyrazines and other volatiles in cocoa liquors at pH 5 to 8, by Selected Ion Flow Tube-Mass Spectrometry (SIFT-MS). |
PubMed: | Temporal changes of flavour and texture in cooked bologna type sausages as affected by fat and salt content. |
PubMed: | Bioconversion of 2,6-dimethylpyridine to 6-methylpicolinic acid by Exophiala dermatitidis (Kano) de Hoog DA5501 cells grown on n-dodecane. |
PubMed: | Coffee aroma--statistical analysis of compositional data. |
PubMed: | Syntheses, structures, and photoluminescence of a series of silver(I) sulfonates with pyrazine derivatives. |
PubMed: | Suppression of blood lipid concentrations by volatile Maillard reaction products. |
PubMed: | Bis(2,6-dimethyl-pyrazine-ÎșN)diiodidozinc(II). |
PubMed: | Competition between photochemistry and energy transfer in UV-excited diazabenzenes. 4. UV photodissociation of 2,3-, 2,5-, and 2,6-dimethylpyrazine. |
PubMed: | Structural study of silver(I) sulfonate complexes with pyrazine derivatives. |
PubMed: | Effect of ripening time and rearing system on amino acid-related flavour compounds of Iberian ham. |
PubMed: | Degradation of 2,5-dimethylpyrazine by Rhodococcus erythropolis strain DP-45 isolated from a waste gas treatment plant of a fishmeal processing company. |
PubMed: | Characterization of aroma compounds of chinese "Wuliangye" and "Jiannanchun" liquors by aroma extract dilution analysis. |
PubMed: | Determination of the 2H/1H and 15N/14N ratios of Alkylpyrazines from coffee beans (Coffea arabica L. and Coffea canephoravar. robusta) by isotope ratio mass spectrometry. |
PubMed: | Aroma compounds in sweet whey powder. |
PubMed: | Pyrazine derivatives in cigarette smoke inhibit hamster oviductal functioning. |
PubMed: | [Chemical profiles of methylpyrazines contained in commercially available natto]. |
PubMed: | Identification of aroma compounds in Parmigiano-Reggiano cheese by gas chromatography/olfactometry. |
PubMed: | Effects of carnosine on volatile generation from Maillard reaction of ribose and cysteine. |
PubMed: | Effect of urea on volatile generation from Maillard reaction of cysteine and ribose. |
PubMed: | Chemical and sensory properties of liquid beet sugar. |
PubMed: | Pyrazine formation from serine and threonine. |
PubMed: | Effects of roasting on pyrazine contents and oxidative stability of red pepper seed oil prior to its extraction. |
PubMed: | Quantitative analysis of alkylpyrazines in regular- and low-fat commercial peanut butter preparations. |
PubMed: | Genotoxicity of 1,3-dithiane and 1,4-dithiane in the CHO/SCE assay and the Salmonella/microsomal test. |
PubMed: | Headspace constituents of opium. |
PubMed: | Effects of dimethylpyrazine isomers on reproductive and accessory reproductive organs in male rats. |
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