IFI-A · Catechin Profile Optimization

Specimen SS-F-AST-334 // ASTRINGENCY · IFI-A

Catechin Profile Optimization II-PR-B

Camellia sinensis

Tea

Tier IICatechin Profile Optimization

Target Trait

2.21×

fold-change

EGCG:ECG:EC catechin molar ratio index

Technical Specifications

SKU

SS-F-AST-334

Genomic Edits

5

GC Content

46.8%

Construct Length

3,240 bp

Promoter System

Ubiquitin / T7

Expression System

Protoplast PEG-fusion

Host Strain

PEG-mediated

Receptor Target

Polyphenol-astringency axis

IFI Score

221

Pathway Edits

  • ANR differential expression (anthocyanidin reductase) for epicatechin flux control
  • LAR allelic balancing (leucoanthocyanidin reductase) for catechin:epicatechin ratio
  • F3-5H overexpression (flavonoid 3',5'-hydroxylase) for gallated catechin precursor enrichment
  • DFR allelic selection for 3',4'- vs 3',4',5'-dihydroxyl substrate preference
  • FLS suppression (flavonol synthase) to redirect dihydroflavonol flux toward catechins
  • Protoplast PEG-fusion transient and stable integration protocol
  • Enhanced flux via 5'UTR synthetic leader sequence optimization

Key Interventions

EGCG:ECG:EC catechin ratio precision control via ANR/LAR differential tuningF3-5H hydroxylation pattern optimization for gallated versus non-gallated catechin distributionDFR allelic switching for substrate specificity toward epicatechin pathwayPEG-4000 mediated membrane fusion at 37°CVariant B enhanced: iterative codon optimization for host-matched expression

IFI Subscale Profile

IFI Profile

IFI-S
—
IFI-U
—
IFI-B
—
IFI-K
—
IFI-C
—
IFI-P
—
IFI-A
221
IFI-F
—

Use Case

Craft specialty green tea analog production, intermediate catechin ingredient R&D, functional beverage formulation. Enhanced variant for premium or research-grade applications requiring peak astringency fidelity.

License

$749 · Tier II License

Includes full construct sequence, CRISPR guide designs, pathway edit specifications, flux balance analysis, and IFI validation data.

Already purchased?