What kind of milk is used for coffee flowers? what kind of whole milk is used for coffee flowers? skim milk, low fat milk?
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"Milk Origin": It's Science
The Source of Milk: from Science
Milk produced by each farm has different fat, protein content and different grades of sweetness. The actual quality of milk depends on the food that cows eat every day, as well as their daily growing environment, and how the milk is collected and stored and processed.
There is a scientific basis behind which kind of milk is suitable for making coffee flowers. The milk produced by some cows is high in protein, high in sugar, high in fat, smooth and sweet in taste, but this kind of high-quality milk has less output and higher cost. Cafes with higher quality requirements will choose this kind of high-priced fresh milk.
Why Are Some Milks Different to Others?
Why is some milk different from others?
Milk consists of three main ingredients: protein, carbohydrates and fat. Protein accounts for 3.3% of milk. Proteins can be broken down into two elements: casein and serum protein.
Serum, or whey protein, contains nine essential amino acids that coagulate or deteriorate when heated to high temperatures.
Casein forms a "micelle" (micelle means that the surfactant dissolves in water and is dispersed by a single molecule or adsorbed on the surface of the solution when its concentration is low, thus reducing the surface tension. When you steam the milk, it interrupts the formation of the micelle, and the casein molecules wrap around the bubbles, protecting them from breaking, thus forming milk bubbles.
The degree of protein contained in different kinds of milk affects the durability of coffee ornaments on the surface of lattes. Whole milk will have a richer taste and thicker bubbles, while low-fat milk is more likely to produce large bubbles.
Don't Overheat That Milk
Don't overheat your milk.
Lactose is a carbohydrate in milk, a disaccharide formed by the combination of glucose and galactose. Lactose is fused in two forms to achieve the most stable state. β-lactose is the more stable of the two forms, and its sweetness is more obvious.
After the milk is overheated, the molecular structure of protein will be destroyed, fat and water will begin to separate, resulting in less palatable milk, decreased sweetness, overheating will also lead to the loss of nutritional value. Excessively high temperature not only burns the mouth, but also makes the coffee feel watery and the milk bubbles are obviously stratified.
Temperature Affects Foam Stability
Temperature affects the stability of milk foam
The main ingredient in milk is milk fat. They exist in milk in the shape of pellets, and 98% of fatty acids come in different forms: saturated, monounsaturated, and polyunsaturated.
The air is pumped into the milk through a steam stick to form milk bubbles, and fat molecules such as proteins stabilize the state after the foam is formed. The higher the fat content of the milk, the more stable foam will be produced when it is lower than the indoor temperature.
Choose the right milk for your coffee
Therefore, to make milk coffee, it is better to choose milk with better foaming rate. When choosing milk, you can also choose according to its material content and personality:
Milk with high carbohydrate content has a higher sweetness, while milk with relatively high milk fat content makes milk bubbles denser.
For example, coffee beans used to make milk coffee also have different roasting degrees: medium and shallow roasting, medium and deep roasting, deep roasting, Italian roasting and so on. The medium-shallow to medium-deep roasted coffee beans have obvious acidity, short tail rhyme and not thick taste, so it is not suitable to choose milk with heavy milk flavor, and it is not suitable to beat the milk temperature too high, otherwise the milk taste of milk coffee is too strong, masking the taste of coffee, and fine bubbles will be produced due to the combination of acidity and milk. The coffee baked deeply to Italian style can choose the milk with heavier milk flavor and higher protein content to ensure the overall taste balance of the milk coffee.
Milk coffee, as a drink suitable for most customers, what we need to do is to understand the milk you are using and carefully mix the ratio of coffee to milk. You know, a cup of coffee latte with smooth taste and layered taste can definitely be a reason for customers to become repeat customers.
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