NUTRITIONAL LOG

The Truth About Lentils

A Deep-Research Journal

Dr. Aria Vance
Dr. Aria Vance Lead Nutrition Data Scientist
Last Reviewed: Jun 3, 2026 • Data Sources: USDA FoodData Central, NutriSnap Volumetric Models

Structured Nutritional Data & Citations

Lentils: A Nutritional Data Profile

Section 1: SEO Data

General Information (Cooked, Boiled, Drained, Without Salt)

Nutritional Profile (Per 100g and Standard Serving)

A standard serving is defined as 1/2 cup cooked lentils (approximately 98g).

Nutrient Group Per 100g (Cooked) Per Standard Serving (98g) Unit USDA SR Legacy Code
Energy 116 114 kcal 16070
Macronutrients
Protein 9.02 8.84 g 16070
Carbohydrates 20.13 19.73 g 16070
- Fiber 7.9 7.7 g 16070
- Sugars 0.29 0.28 g 16070
Fat 0.38 0.37 g 16070
- Saturated 0.051 0.050 g 16070
- Monounsat. 0.053 0.052 g 16070
- Polyunsat. 0.147 0.144 g 16070

Key Micronutrients (Per 100g Cooked)

Functional Impact

Physical Properties

Citations & References

Field Notes: Dr. Aria Vance

Subject: Lentils
Focus: Volumetric expansion/contraction, historical context, tracking challenges.

Section 2: Why Lentils Is Difficult to Track

Date: October 27, 2023 Journal Entry: #078 Subject: The Perplexity of Lens culinaris in Dietary Tracking

Lentils. Ah, lentils. The unassuming, ancient powerhouse of the legume world. They’ve been the culinary bedrock for civilizations since the dawn of agriculture, found tucked into Egyptian tombs, sustaining vast empires, and still serving as the humble hero in countless kitchens across the globe. From the sophisticated French puy to the ubiquitous Indian dal, they are a nutritional chameleon, adapting their texture and flavor to myriad cultural contexts. Versatile, inexpensive, and packed with goodness. Everyone loves them. Except, perhaps, the data scientist trying to track them.

This deceptively simple food, a cornerstone of sustainable eating, is, in practice, a quantitative nightmare for precise nutritional logging. My team at NutriSnap grapples daily with the inherent flaws of manual tracking. How do you accurately log a serving of lentil soup? You can't. Not really.

The variability is mind-numbing. Take volume. A half-cup measure. Is it level? Packed? Spooned lightly? A slight difference, and your purported "standard serving" is off by grams. Then there's the cooking. Lentils are sponges. Some varieties swell more. Did you cook them until al dente, or to a mushy, comforting state, soaking up every last molecule of water? The density shifts dramatically. One batch of homemade mujaddara might be drier, denser, packed with more lentils per spoon. The next could be a soupy, hydrated affair, a culinary cloud of comfort. Your kitchen scale, bless its digital heart, can only tell you the mass of the finished product. It can't magically parse out the precise ratio of lentils to broth, nor account for the water absorbed versus the water still free. It's a black box.

And let's not even start on the mixing! Lentils are rarely eaten plain. They’re simmered with vegetables, spices, meats, or grains. Try isolating the lentil portion of a rich, thick chili or a savory stew. Impossible. It becomes guesswork masquerading as precision. A chef’s intuition, lovely in the kitchen, is the bane of a data scientist's existence when we need cold, hard numbers for dietary assessment. People just want to know, "Did I get enough protein today?" or "How much fiber was really in that delicious bowl?" Their existing tools fail them. Utterly.

This is precisely where NutriSnap shines. We’ve moved beyond barcode scans and clumsy cup measurements. Our AI uses forensic visual analysis. We segment the image, not just identify "lentils," but differentiate between red and green, estimate their cooked volume, account for their intrinsic hydration, and even intelligently infer the other ingredients in a complex dish based on context and optical signatures. It's not magic; it's deep learning, meticulously trained on tens of thousands of meal photos. Finally, we can provide genuinely actionable, accurate insights into that humble, perplexing lentil. This is a game-changer.

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