Methyl trans-cinnamate
Methyl trans-cinnamate possesses an antimicrobial ability. Methyl trans-cinnamate can strongly inhibit both monophenolase and diphenolase activity of mushroom tyrosinase.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
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The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Journal of Agricultural and Food Chemistry,2009,57(6):2565-9.
Inhibitory Effects of Methyl trans -Cinnamate on Mushroom Tyrosinase and Its Antimicrobial Activities.[Reference:
WebLink]
The control of food browning and growth of disease-causing microorganisms is critical to maintaining the quality and safety of food. Tyrosinase is the key enzyme in food browning.
METHODS AND RESULTS:
The inhibitory effect of Methyl trans-cinnamate on the activity of tyrosinase has been investigated. Methyl trans-cinnamate can strongly inhibit both monophenolase and diphenolase activity of mushroom tyrosinase. When the concentration of Methyl trans-cinnamate reached 2.5 mM, the lag time was lengthened from 32 to 160 s and the steady-state activity was lost about 65%. The IC50 value was 1.25 mM. For the diphenolase activity, the inhibition of Methyl trans-cinnamate displayed a reversible and noncompetitive mechanism. The IC50 value was 1.62 mM, and the inhibition constant (K-I) was determined to be 1.60 mM. Moreover, the antibacterial activity against Escherichia coli, Bacillus subtilis and Staphyloccocus aureus and antifungal activity against Candida albicans were tested.
CONCLUSIONS:
The results showed that Methyl trans-cinnamate possessed an antimicrobial ability.
