E162: Beetroot Red (Betanin) vs. E621: Monosodium Glutamate (MSG / Umami Flavor Enhancer)
Comparing 2 standards across 13 specifications. 13 key differences identified.
E162 (Beetroot Red / Betanin) is a water-soluble red-purple betacyanin pigment pressed or extracted from red beets (Beta vulgaris). INS 162, ADI is Not Limited (Quantum Satis), used in dairy, ice creams, and sausages.
Monosodium Glutamate (E621, MSG, C5H8NO4Na) is the sodium salt of L-glutamic acid produced via Corynebacterium glutamicum sugar fermentation, activating human T1R1/T1R3 heterodimer umami taste receptors to enhance savory mouthfeel.
Specification Comparison Table
13 Parameters| Parameter / Spec | ||
|---|---|---|
|
Functional Class
|
Food Color (Red-Purple) | Flavor Enhancer (Umami savory tastant) |
|
Acceptable Daily Intake (ADI)
|
Not Limited (Quantum Satis) | 30 mg/kg body weight per day (EFSA 2017) / Not Specified (JECFA 1987) |
|
Chemical Formula
|
C24H26N2O13 (Betanin glucoside) | C₅H₈NO₄Na · H₂O (Sodium 2-aminopentanedioate monohydrate) |
|
E-Number Code
|
E162 | — |
|
INS / Codex Number
|
INS 162 | — |
|
Primary Mechanism
|
Betanidin glycoside absorbing green light (535–538nm) to reflect intense magenta-red | — |
|
Common Target Foods
|
Strawberry yogurt, berry ice creams, confectionery, fruit preparations | — |
|
Dietary Compliance
|
100% Vegan (Beetroot juice extract), Halal, Kosher | — |
|
Safety Approval
|
EFSA Authorized / FDA GRAS (21 CFR 73.40) | — |
|
INS / E-Number
|
— | INS 621 / E621 |
|
Taste Receptor Target
|
— | T1R1 + T1R3 G-protein coupled receptor (GPCR) heterodimer + mGluR4 |
|
Sodium Content
|
— | 12.3% Sodium by weight (compared to 39.3% in standard table salt NaCl) |
|
Synergistic Umami Multiplication
|
— | 1:1 ratio with E627 (Disodium Guanylate) / E631 (Disodium Inosinate) increases umami perception up to 8-fold |