Gingelly oil is cold-pressed sesame oil, traditionally used in South Indian cooking, Ayurvedic medicine, and skincare. While the terms “gingelly oil” and “sesame oil” are often used interchangeably, gingelly oil specifically refers to oil extracted from sesame seeds using traditional cold-pressing methods rather than chemical refining or high-heat processing.
Gingelly Oil vs. Sesame Oil
Both gingelly oil and sesame oil come from the same plant, but they differ in how they’re made and how they taste. “Sesame oil” is a broad term covering any oil derived from sesame seeds, whether white or black. It includes the dark, toasted varieties common in East Asian cooking as well as lighter, refined versions.
Gingelly oil is a specific type of sesame oil made through cold-pressing, often using a traditional South Indian method called Mara Chekku, where seeds are crushed with wooden pestles. This process keeps temperatures low, preserving more of the oil’s natural flavor and nutrients. The result is a lighter-colored oil with a mild, nutty taste that’s distinctly different from the intense, smoky aroma of toasted sesame oil. Some traditional producers add palm jaggery during extraction to reduce bitterness in the finished oil.
Nutritional Profile
Gingelly oil has a fat composition that leans heavily toward unsaturated fats. Polyunsaturated fats make up about 44.4% of the oil (almost entirely linoleic acid, an omega-6 fatty acid), while monounsaturated fats account for around 40.3%. Saturated fat stays below 20%. This ratio places it alongside other heart-friendly cooking oils.
What sets gingelly oil apart nutritionally is its lignan content, particularly two compounds called sesamin and sesamolin. These act as antioxidants in the body and appear to influence fat metabolism and cholesterol production. In animal studies, sesamin boosted the breakdown of fatty acids while slowing the creation of new fat in the liver. It also reduced the activity of a key enzyme involved in cholesterol production, the same enzyme targeted by statin medications. The oil also contains vitamin E and several phenolic compounds that give it anti-inflammatory properties.
Heart and Blood Pressure Effects
The lignans in gingelly oil show promise for cardiovascular health. In studies on hypertensive rats, sesamin lowered blood pressure and reduced the tendency to develop blood clots, suggesting a potential role in stroke prevention. Sesamin also appears to support healthy blood vessels by influencing nitric oxide signaling, the same pathway your body uses to relax and widen blood vessels.
These findings come primarily from animal research, so the effects in humans may differ in magnitude. Still, the combination of a favorable fat profile and bioactive lignans makes gingelly oil a reasonable choice among cooking oils for everyday use.
How It’s Used in South Indian Cooking
In South Indian kitchens, gingelly oil is a staple cooking fat, not just a finishing drizzle. It’s the base for dishes like vathal kozhambu (a tangy tamarind curry), pavakkai thokku (bitter gourd relish), sambar, dry anchovy masala, and various seafood fries. The oil’s mild nuttiness complements the bold spice profiles of these dishes without overpowering them.
Unrefined gingelly oil has a smoke point of about 177°C (350°F), which is suitable for sautéing, tempering spices, and light frying. Semirefined versions can handle higher heat, reaching about 232°C (450°F). For deep frying at very high temperatures, the semirefined option is more practical. Many South Indian cooks use gingelly oil specifically for the tempering step (called tadka or thalikkal), where whole spices like mustard seeds and dried chilies are briefly fried in hot oil to release their flavors before being added to a dish.
Traditional Oil Pulling
Gingelly oil has a long history in Ayurvedic oral care through a practice called oil pulling. The technique involves swishing about one tablespoon (10 ml) of oil between your teeth for 15 to 20 minutes, then spitting it out. In clinical observations, a 40-day oil pulling regimen reduced the total microbial count in the mouth by an average of 20%. Sesame oil specifically showed antibacterial activity against Streptococcus mutans (a primary cause of cavities) and Lactobacilli, both major contributors to tooth decay and gum disease.
Skin and Hair Applications
Beyond the kitchen, gingelly oil is widely used as a massage oil and moisturizer, particularly in Ayurvedic body treatments. Refined sesame oil scores a 1 on the comedogenic scale (meaning it’s unlikely to clog pores), while unrefined versions score a 3 (moderately likely to cause breakouts). If you’re using it on your face, refined is the safer bet for acne-prone skin.
The vitamin E and phenolic compounds in gingelly oil offer some protection against environmental damage from UV exposure, pollution, and toxins. There is limited evidence that the oil can filter a small amount of ultraviolet radiation, though it’s nowhere near effective enough to replace sunscreen. Its anti-inflammatory properties make it a common choice for soothing dry or irritated skin, and it absorbs relatively well without leaving a heavy, greasy residue.
Allergy Considerations
Sesame is now recognized as one of the nine major food allergens in the United States. Since January 1, 2023, the FASTER Act requires all packaged foods containing sesame to declare it on the label, either in the ingredients list, in a “Contains” statement, or in parentheses next to the ingredient name. This applies to gingelly oil as well. Sesame allergies can cause reactions ranging from mild hives to anaphylaxis, so if you have a known sesame allergy, gingelly oil is off the table regardless of how it’s processed.