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Note: This article was AI-translated from Arabic and is currently under manual review. The author is not responsible for any translation errors. Please refer to the original Arabic text for the most accurate and authoritative information.
From Milk to Table: Making, Storing and Healthily Using Ghee and Ghee Residue
The aroma that fills the kitchen when traditional ghee is heated has a story that begins before the fire is lit. The animal's feed writes its first lines, the milk carries its features, and then the cream, the butter and the heat of clarification shape it. In the details of this journey the secret of the flavor takes form, and the quality of what reaches the table is decided.
Traditional ghee (samn baladi) holds a special place in memory and in the kitchen. A small amount gives food a distinctive aroma, and its preparation is tied to know-how passed down through generations. Dairy science adds an explanation of what actually happens: How is the fat concentrated? Where do the buttery notes (taste and aroma), the toasted notes and the coconut notes come from? And how do breed, feeding and season affect the result?
The story extends to ghee residue (murta), with the flavor and nutrients it carries that deserve to be put to good use, and the refrigeration and attention to saltiness it requires. Then comes the consumer's role in choosing the right amount and accounting for saturated fat, cholesterol and sodium in the daily diet.
The quality of ghee is built through connected stages, and using it well starts with understanding those stages.
Ghee is a dairy product prepared from milk, cream or butter through processes that remove most of the water and non-fat components and give it its flavor and texture. This is consistent with its definition in the Codex Alimentarius standard for milkfat products.
One of the most common routes is to separate the cream, churn it into butter, and then clarify the butter to produce ghee.
Production starts with sound milk from a trusted source, with clean milking and vessels and rapid cooling. In controlled production, the raw material is tested and appropriate heat treatments are applied, because the quality of ghee is affected by what happened to the milk before it reached the clarification pan.
Cream is traditionally skimmed from the surface of the milk, depending on the preparation method, or separated with a centrifugal cream separator. Separation efficiency affects how much fat is recovered and how much water and non-fat solids remain with it.
In organized manufacturing, the cream is pasteurized, cooled and prepared for the next stage, while preventing recontamination.
Sweet (unfermented) cream can be used, or the cream can be ripened with selected food-grade starter cultures under controlled conditions, depending on the target flavor. It is then churned so that the butter granules gather and the liquid known as buttermilk separates from them.
This liquid is different from ghee residue: buttermilk separates during butter making, whereas ghee residue forms during ghee preparation. Studies have shown that manufacturing methods that include fermentation change the composition of aroma compounds in the resulting ghee.
The butter is heated gradually: the fat melts, the water evaporates and the non-fat milk components gather. As the water content falls, the fat temperature rises more easily, toasted flavor develops, and controlling the end of the process becomes important.
Documented manufacturing methods use end-point temperatures of around 110–120 °C, but temperature alone is not enough to control the process; the time depends on the quantity and moisture of the raw material, the vessel and the heating intensity.
The ghee is separated from the residue by decanting, filtering or other suitable separation means, then cooled and packed in suitable food-grade containers.
In some manufacturing systems, part of the aqueous phase is removed before the final heating to reduce the amount of water that must be evaporated. Ghee can also be made directly from cream without a separate butter stage; this changes the amount of water and non-fat solids exposed to heat, and therefore the resulting flavor and residue.
Every stage leaves its mark: separation sets the composition of the raw material, fermentation develops the flavor, heating brings it out, and packing and storage preserve it.
The flavor of good ghee is a balanced blend of many compounds. Its most prominent notes include:
A study comparing different ghee preparation methods confirms that processing can change the volatile compounds responsible for flavor, even when there are no significant differences in fatty acid composition between the methods studied.
When traditional buffalo butter is clarified, a coconut-like note may appear, which some people describe as "the smell of lauric acid."
The most likely explanation for the coconut-like note is the contribution of lactones, including delta-decalactone and delta-dodecalactone. Some of these compounds can form from precursors present in milk fat during heating, and they are not exclusive to buffalo ghee.
Free lauric acid does have a faint odor, but it is not the usual explanation for the distinctive coconut aroma, and the presence of a specific fatty acid cannot be proven by smell alone.
This note should therefore be assessed as part of the overall aroma of the ghee, and not used on its own as proof of adulteration or spoiled butter.
Flavor can be improved by developing the process itself. The most important elements are:
Choosing the raw material: acceptable flavor starts with sound milk, cream and butter, while minimizing the chances of undesirable breakdown during handling and storage.
Controlling fermentation when used: selected starter cultures and suitable fermentation conditions help standardize the aroma profile. Research has examined the use of selected lactic acid bacteria to improve the quality and flavor of ghee.
Balancing temperature and time: the desired toasting is allowed to develop while avoiding sticking and burning. Heating is stopped once the product specifications are reached, rather than prolonged to get a stronger aroma.
Appropriate separation and packing: removal of residue and moisture is controlled, and packaging is used that limits the product's exposure to air, light, moisture and external odors, all of which affect its quality during storage.
The goal is a clearer, better-balanced and more stable flavor; a stronger aroma alone does not mean better quality.
Off-flavors may start in the raw material or develop during processing and storage. Their main pathways include:
| Observation | Possible meaning | Practical action |
|---|---|---|
| New rancid or sharp smell | Lipolysis or oxidation | Stop use when the defect is clear and review the raw material and storage |
| Burnt smell or acrid smoke | Overheating or burnt residue | Discard the affected product and correct the heating |
| Mold or abnormal surface change | Possible contamination or poor storage | Discard without tasting to test |
| Smell of detergent, fuel or foreign substances | Possible external contamination | Stop use and have the producer isolate the batch for investigation |
These are guiding signs and are not enough on their own to identify the microorganism or compound responsible. Likewise, an acceptable smell does not guarantee safety in every case.
After good processing, cow and buffalo ghee are alike in being highly concentrated fat. The higher fat content of buffalo milk increases manufacturing yield, but it does not necessarily mean a higher fat percentage in the final ghee compared with cow ghee.
The differences appear in the distribution of fatty acids and minor components, which affects melting, texture and flavor. Some studies found cow milk fat to contain more unsaturated fatty acids than buffalo milk fat, but the size of the difference varies with breed, feeding and production conditions.
There are also differences between breeds within the same species: a study of ghee from two cattle breeds recorded differences in some fatty acids and aroma compounds. Describing a product as "cow" or "buffalo" is therefore not enough to fully predict its composition or flavor.
Cow ghee tends to be yellow because of carotene, while buffalo ghee is usually paler. Both share milky, creamy and cooked notes whose intensity varies with the raw material and processing. Graininess is also affected by the cooling method and storage temperature, so neither color nor graininess alone is enough to judge authenticity.
The animal's diet leaves its mark on the fat before processing. A study on cow butter showed that pasture feeding was associated with higher carotene and changes in some fatty acids and flavor attributes, compared with indoor feeding on a total mixed ration. These differences hold within the study's conditions, and they do not make the phrase "from naturally grazing animals" an independent certificate of health superiority.
The availability of green fodder, conserved forage and concentrates differs between seasons and regions. In Egypt, berseem (Egyptian clover) is an important source of green winter fodder, while green grazing may be linked to summer elsewhere.
Studies have recorded seasonal changes in milk fat composition, which were limited in some of them. It is therefore not valid to generalize that summer or winter ghee is always better; what matters is the feeding system and the production, processing and storage conditions, as well as one's health status and the amount consumed.
Ghee residue (murta) is the sediment formed during ghee preparation. It contains proteins, residual fat, lactose, salts and moisture, in proportions that vary with the raw material and the methods of preparation and separation.
Sound residue can be used in measured amounts in some dishes, baked goods and sweets, while accounting for fat, energy and salt. Research has also examined its use in food products to add value and reduce waste.
At the producer level, recovery of the entrapped fat can be improved with suitable separation methods, instead of continuing to heat the residue until it is damaged. Products containing it need a standardized recipe and control of moisture, packaging and shelf life.
As for the antioxidant activity that some studies measured with laboratory chemical assays, it does not on its own prove a therapeutic benefit from eating ghee residue.
One possible explanation is the formation of bitter peptides: small fragments produced when milk proteins are broken down by natural or microbial enzymes during the preparation and storage of the raw material. Their bitterness depends on their composition and concentration, and not every protein breakdown produces bitterness.
Studies on milk and on protein hydrolysates of ghee residue support this possibility, but they are not enough to diagnose a specific household sample. Also, the absence of blackening does not rule out localized overheating at the bottom of the pan.
If heating is controlled and the bitterness recurs with the same raw material, reviewing the quality of the butter and its preparation and storage conditions becomes more important. The combination of bitterness and a coconut-like smell does not prove a single cause for both; the smell may be part of the natural flavor and the bitterness a separate defect.
Strong, unusual bitterness, especially with an unpleasant smell, calls for stopping consumption of the residue and reviewing its source, rather than masking it with spices or more heating.
Milk fat contains cholesterol, and normal clarification does not produce cholesterol-free ghee. For comparison, the Food and Agriculture Organization (FAO) gives the following reference data:
| Reference product | Total fat per 100 g | Saturated fat per 100 g | Cholesterol per 100 g |
|---|---|---|---|
| Salted or unsalted butter | 81.1 g | 51.4 g | 215 mg |
| Anhydrous butter fat ("butter oil"), traditional ghee (anhydrous fat) | 99.5 g | 61.9 g | 256 mg |
Source: Milk and Dairy Products in Human Nutrition, FAO, 2013, Table 4.2, citing US Department of Agriculture data. These are values for specific products, not an analysis of every traditional ghee or of a single batch of butter turned into ghee and residue.
By calculation, 5 g of the anhydrous reference product provides about 44 kcal, 3.1 g saturated fat and 12.8 mg cholesterol. This is an example of estimating an amount, not a uniform daily portion for everyone.
It is not valid to assume that ghee residue is cholesterol-free, because it retains fat; nor is it valid to generalize a fixed ratio for how cholesterol is distributed between the residue and the ghee without direct measurement.
Determining this requires analyzing the original butter and the separated products, recording their weights and calculating the amount of cholesterol in each fraction. One reference method for determining it is AOAC 994.10 by gas chromatography.
The concentration per 100 g differs from the amount in the whole output, and subtracting figures from a food composition table is not enough to calculate how cholesterol moves during processing.
The American Heart Association's 2026 update focuses on the overall dietary pattern and on replacing sources of saturated fat with sources of unsaturated fat. It notes that dietary cholesterol is no longer the primary target for lowering cardiovascular risk for most people, while controlling risk factors and diet quality remain important.
The food pyramid that accompanies the US Dietary Guidelines 2025–2030 should be read together with its quantitative limits: the guidelines still state that saturated fat should not exceed 10% of daily energy. The World Health Organization agrees with this general limit, recommending that part of it be replaced with suitable sources of unsaturated fat or foods naturally rich in fiber.
In a randomized crossover human trial of 30 healthy people, lasting 4 weeks per intervention, some blood lipid markers linked to cardiovascular risk rose on the ghee diet compared with olive oil, while the difference in LDL cholesterol did not reach statistical significance. It is a small, short trial that supports caution when replacing oils rich in unsaturated fat with ghee.
In practice, use a measured amount of ghee for flavor, vary your fat sources, and keep track of total saturated fat and energy from the day's foods.
Ghee residue can become very salty when salted butter is used or salt is added during preparation. Unsalted raw material, however, does not justify automatically describing it as rich in table salt.
Salt does not disappear when water evaporates, and it may concentrate in the residue depending on the separation method. Also, the ash content in an analysis is not the same as the salt content; ash includes many minerals and salts.
| Body | Target group | Daily sodium recommendation |
|---|---|---|
| World Health Organization | Adults | Less than 2,000 mg, equal to less than 5 g of salt |
| US Dietary Guidelines 2025–2030 | Age 14 and over | Less than 2,300 mg |
| American Heart Association | Most adults | Maximum 2,300 mg, with an ideal target of no more than 1,500 mg |
These limits include sodium from all foods as well as cooking and table salt, and some health conditions may require an individual plan.
For illustration only: if analysis shows 3 g of salt per 100 g of residue, eating 20 g adds about 240 mg of sodium. This is a hypothetical calculation example, not the result of analyzing traditional ghee residue.
People with high blood pressure are better off choosing residue made from unsalted raw material, with no added salt, in an amount that fits their dietary plan. No single portion in grams suits every residue and every patient.
Clarified ghee: store it according to the product's instructions, in a tightly sealed food-grade container, away from light, heat and odors, using clean, dry utensils. Avoid keeping it at high temperature or using it for long, repeated frying; gently melting it for use is different from repeatedly exposing it to frying heat.
Homemade ghee residue: treat it as a perishable cooked food unless there is a documented drying process and shelf life. Divide it into shallow, clean containers and cool it quickly to 4 °C or below; portions can be frozen for later use.
Under the general rule for perishable cooked foods, it should be refrigerated within two hours, or within one hour if the air temperature exceeds about 32 °C. Covering it with ghee or salting it does not make it safe to keep outside the refrigerator.
If mold or obvious spoilage appears, discard the product without tasting it, and do not rely on heating to rescue it. Milk protein allergy is a separate consideration: ghee residue contains milk proteins, and ghee should not automatically be assumed safe for people with this allergy, as protein traces may remain.
From milk to table, the quality of ghee is written in successive details: the animal's feed and the soundness of the raw material, cream separation, fermentation and churning, then heat that reveals the flavor, a container that preserves it, and an amount we choose consciously.
Ghee residue deserves the same attention: we benefit from its nutrients and flavor when it is sound, and we pay attention to its moisture, salt and storage. Unpleasant odors and unusual bitterness call for investigating the cause, not hiding it.
The secret of good ghee is to make it well before we enjoy its aroma, and to measure it well before we add it to our food. Then the table keeps the taste we love and gains the knowledge we need.
This is educational material based on a narrative review of official guidelines and selected studies; it is not a systematic review or meta-analysis. Results from human studies have been distinguished from laboratory tests, along with the limits of generalizing them.
