RY4 Asian | The Flavor Apprentice (20/50/100/250/500ml)

RY4 Asian by The Flavor Apprentice takes the RY4 tobacco-style family in a stronger, more caramel-led direction than the manufacturer’s original RY4. Choose it as a starting point for a caramel-focused custom blend.

Flavour profile

The manufacturer describes a stronger caramel character than its original RY4 and distinguishes Asian from the slight fruity note some customers perceive in RY4 Double. The specification characterises it as sweet, creamy and cooked in flavour. Develop the supporting flavours separately rather than assuming a fixed vanilla, nut or cream blend.

Recipe ideas & pairings

• Caramel-led RY4: assess the concentrate in a suitable diluted recipe base before adding accents.
• Vanilla accents: trial a small vanilla addition alongside the caramel direction.
• Nut combinations: explore a measured nut flavour in a custom RY4-style blend.
• Cream accents: test a separate cream flavour for another dessert-inspired direction.

Compare your first diluted sample with a second sample containing just one supporting flavour. Keep notes on both so you can preserve the caramel character while adjusting the blend.

Using the concentrate

Dilute this concentrated, water-soluble flavouring into a suitable recipe. Follow product-specific suitability guidance for your intended application and make measured adjustments in small batches.

Make a small test batch, measure each addition and mix thoroughly before assessing the result. Record the amount and final batch size so you can reproduce your recipe. Measuring tools help keep small adjustments consistent. For DIY e-liquid, follow a recipe and product-specific suitability guidance; food-use guidance does not establish suitability for inhalation.

Product details

• Manufacturer-listed ingredients: artificial flavourings and propylene glycol. The manufacturer’s specification lists acetoin.
• Water-soluble concentrated flavouring.
• Made by The Flavor Apprentice in the USA.
• Available in 20 ml, 50 ml, 100 ml, 250 ml and 500 ml.
• Rebottled from bulk by Flavour-Concentrates.eu; supplied in our bottles rather than original manufacturer packaging.

Explore more The Flavor Apprentice concentrates for your recipes.

Handling & storage

Dilute before use. Keep the bottle tightly closed in a cool, dry place away from direct sunlight, children and pets. Check the label and batch documentation when dietary restrictions or allergies matter.

Frequently asked questions

How does it compare with the original RY4?
The manufacturer describes RY4 Asian as stronger and more caramel-like than its original RY4.

How does it differ from RY4 Double?
The manufacturer says some customers detect a slight fruity note in RY4 Double, while RY4 Asian does not have that fruity note.

Does it contain acetoin?
Yes. Acetoin is listed in the manufacturer’s specification for RY4 Asian.

Which bottle sizes are available?
We offer 20 ml, 50 ml, 100 ml, 250 ml and 500 ml, rebottled from bulk into our own bottles.