What Is Grape Must?

While eating grapes, have you ever wondered what is grape must? As of today, over 72 million tons of grapes are grown each year worldwide. We all know grapes are most cultivated to produce wine. Grapes offer a number of possible health benefits and may boost health. In today’s post, I will explain what is grape must in winemaking in detail. Here, you will get to know what grape must mean, how it is made, its uses, and other factors. Without wasting much time, let us now check out what is grape must.

What Is Grape Must?

Grape must is a freshly crushed fruit juice containing the grapefruit’s skins, seeds, and stems. As it has a low sugar content, it makes the table wine of inferior quality. The grape must is a thick juice and comes in various shades of brown and purple. This color will vary depending on the grapes that are pressed, ranging from dark purple to light shades of brown. Here, the term must is derived from the Latin term “vinum mustum” which means young wine. Most wine makers may use a single grape variety or use a blend of different grapes. This totally depends on the type of wine they are making.

Do you know what is grape must used for? Due to their high glucose content, grape must is used as a sweetener in a variety of cuisines. Grape must is primarily a sweetener and also became a condiment and medicine. Most people like to use it with snow to make granita (slushy). You can even use it on flavorful cheeses with polenta, beans, squash, and chestnuts. Apart from this, it is also used to make sabatoni, Christmas bread, turtle sguasarot, and tortellini from San Lazzaro.

In fact, the solid portion of grape must is called pomace. The length of time that the pomace stays in the juice is important to determine the final characteristics of the wine. Later, fermentation begins in the grape must from the yeast present on the grape skins. The juice is drained off the pomance once the desired length of time has been reached. After that, the pomace is returned to the vineyard and can be used as fertilizer. You can even keep some of the must and add it to the wine as a sweetener before it is bottled.

Now, you must be wondering what is a synthetic grape must. Synthetic grape juice is a freshly pressed grape juice with a chemically defined composition. It is widely used in wine research to mimic natural grape juice.

You can keep on reading further to learn more about what is grape must in balsamic vinegar.

Cooked Grape Must

After knowing what is grape must, you must be wondering what is cooked grape must. Cooked grape must is usually made in stainless steel pots over a direct flame at atmospheric pressure. It is then obtained by slowly cooking the unfermented must over a wooden fire. However, it is the only ingredient for the traditional balsamic vinegar of Modena.

Syrah Grape Must

As Syrah is a popular red wine, do you know what is Syrah grape must? Syrah must is a grape juice made by using a dark-skinned grape variety Shiraz. These grapes tend to produce medium-plus to high levels of tannins and notes of blackberry, mint, and black pepper. 

How To Make Grape Must?

I hope now you’ve understood what is grape must. This grape juice is made by pressing the grapes with a kind of weight to release their juice. The juice is then passed through a strainer and then used to make wine. You can even cook the grape must to stop the fermentation process. However, you can even produce grape molasses or petimezi by simmering grape must until it gets reduced down to 10%. Grape molasses can be used in other recipes like grape must cookies to sweet pies and cakes.

Is Grape Must Halal?

Yes, grape must is safe to eat as a halal fruit. Many Muslims like to consume grape must as it is made by fermentation of grape juice.

Is Grape Must Alcoholic?

No, grape must is not alcoholic but if you left it to ferment, the raw must will become wine. It is a non-alcoholic wine much less sugary than grape juice and gives a real wine flavor.

Is Grape Must Healthy?

Yes, grape must is healthy as it is loaded with a rich source of antioxidants. It will help you to boost heart health, prevent cancer, manage blood pressure, and protect your eyes.

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What Do You Use Grape Must For?

It was used primarily as a sweetener in the kitchens of Roman farmers; but with time, it also became a condiment and medicine. One of its more particular uses was with snow to make granita (slushy). We can use it on flavorful cheeses, with polenta, beans, squash, and chestnuts.

Is There Alcohol In Grape Must?

Fermenting grape must is cloudy, fizzy, sugary-sweet and unstable, offering alcohol levels that can vary from 2 to 10 percent, though it is most commonly consumed with a beer — say, 4 or 5 percent.

Why Is Grape Juice Called Must?

The term ‘must’ is derived from the Latin term vinum mustum, meaning ‘young wine’. Must is the name given to the freshly pressed grape juice, containing the skins, stems and stems of the grapes. Must is the first step in winemaking after the grapes have been harvested from the vine.

Is Grape Must Good For You?

Grape juice is a good source of several important nutrients, including vitamin C, manganese, and antioxidants. It’s also linked to several health benefits. For example, it may support heart health, immune function, and digestive health. However, it’s also high in sugar and has less fiber than whole fruits.


In the above post, I’ve explained what is a grape must in detail. Grape must is unfermented juice of grapes extracted by crushing or pressing them. Many people prefer to immediately cook the juice after pressing it. The grape must of two types of grapes are cooked; Trebbiano (white and sweet) and Lambrusco (red). When you use stabilizers and anti-fermentation agents, it can prevent fermenting. This can be drunk as it is even after several months of storage. In the province of Modena, cooked must is the main ingredient of Balsamic Vinegar. Once you understand what is grape must, you can use it in desserts on holidays!

Is grape must the same as grape juice