Step 1: Understanding the Concept:
Fruit-based beverages are commercially categorized based on their fruit juice content, total soluble solids (TSS, measured in $^\circ\text{Brix}$), and acidity.
These parameters determine whether a beverage is sold as a concentrate or as a ready-to-serve (RTS) product.
Key Principle:
Concentrated beverages require dilution with water or carboted water before consumption, whereas ready-to-serve (RTS) products are formulated to be consumed directly.
Step 2: Detailed Explation:
1. Squash: A concentrated beverage containing at least 25% fruit juice and 40-50% TSS. It is diluted in a 1:3 or 1:4 ratio with water before serving.
2. Syrup: Highly concentrated sugar solutions containing fruit juice, with a TSS of 65% or more. It is heavily diluted before consumption.
3. Crush: Similar to squash but contains a higher fruit juice/pulp content (at least 25%) and TSS (55%). It also requires dilution before consumption.
4. Nectar: A ready-to-serve, non-fermented fruit beverage containing fruit pulp (typically 20% or more, depending on the fruit), a TSS of approximately 15%, and acidity of around 0.3%.
Because its sweetness, acidity, and pulp concentrations are already adjusted to optimal levels for direct consumption, Nectar is consumed directly without any dilution.
Step 3: Fil Answer
Nectar is the correct option because it is classified as a ready-to-serve beverage and does not require dilution before consumption.