Beef, ground, 70% lean meat / 30% fat, loaf, cooked, baked

Ground beef, including the 70% lean / 30% fat variety baked into a loaf, is a staple in many cuisines worldwide. This type of beef consists of coarsely ground cuts of beef with an intentionally higher fat content (30%) paired with 70% lean meat. Historically, ground beef emerged as a means to use all parts of the animal efficiently, maximizing flavor and texture while minimizing waste. In the United States, ground beef became widely popular in the early 20th century as industrial meat processing evolved, democratizing access to meat in affordable and versatile forms. The process involves grinding together lean trimmings and fattier cuts, which both enhances flavor and contributes to a juicier, more tender texture when cooked. The ‘loaf’ preparation of ground beef is a culinary technique that transforms the loose meat into a cohesive shape, often mixed with seasonings and fillers such as onions, herbs, and breadcrumbs in certain recipes (though the USDA data here reflects the meat alone). Baking the mix produces a dense, flavorful, and moist protein source suitable for family dinners, sandwiches, and meal prep. While the 70/30 ratio is higher in fat than typical leaner ground beef (80/20 or 90/10), many cultures prize its robust taste and texture in dishes like meatloaf, meatballs, shepherd’s pie, and tacos. Varieties of ground beef are often labeled by their lean‑to‑fat ratio, indicating the percentage of muscle versus fat. Leaner versions (90/10 – 95/5) are preferred for lower‑fat diets, while higher‑fat blends (70/30 – 75/25) are chosen for dishes where richness and moisture are desired. Different cooking methods — pan‑browning, broiling, grilling, or baking — influence the finished nutrient content slightly due to fat rendering and moisture loss. Regardless of preparation, this ground beef remains a source of protein and essential micronutrients such as iron and zinc, contributing to muscle growth, immunity, and blood health when consumed as part of a varied diet.

The nutrition profile of beef ground 70% lean / 30% fat baked loaf reflects its role as a nutrient‑dense protein source with a significant contribution of fat. A 100‑gram cooked portion provides ≈241 kcal, making it higher in energy than leaner meats due to its fat content. Of those calories, a substantial portion — approximately 15.37 g of fat — comes from both saturated and unsaturated fatty acids. Saturated fats (≈6.07 g) contribute to flavor and texture but have implications for cardiovascular health if consumed in excess, while monounsaturated fats support energy metabolism. The trans‑fat fraction (≈1.17 g) naturally present in ruminant meat is relatively low compared to industrial trans fats but still noteworthy. Protein is a standout nutrient here: ≈23.87 g per 100 g cooked serves as an excellent source of high‑quality, complete protein containing all essential amino acids necessary for muscle repair and immune function. This richness is particularly relevant to athletes, physically active individuals, and people recovering from injury or illness. Beyond macros, this ground beef delivers bioavailable micronutrients like iron (≈2.27 mg) crucial for oxygen transport and preventing anemia, zinc (≈5.84 mg) vital for immunity and wound healing, and selenium (≈19.1 µg) which plays a role in antioxidant defenses. Comparatively, leaner ground beef (e.g., 90/10) contains less total fat and calories but slightly more protein ratio per gram. However, the 70/30 version’s fat content contributes to a richer flavor and higher caloric density which may be strategically useful for individuals needing greater energy intake, such as endurance athletes or those with increased metabolic demands. It’s important to balance this with overall dietary fat goals, as excess saturated fat intake is linked to cardiovascular risk. Pairing this meat with vegetables and whole grains can help moderate the meal’s overall nutrient distribution and fiber content, which this meat alone lacks (zero carbohydrates and dietary fiber).

Beef ground 70% lean / 30% fat baked loaf offers a portfolio of nutrients with documented health roles. First, high‑quality protein supports skeletal muscle maintenance, immune function, and satiety. Protein from beef includes all essential amino acids in ratios favorable for human needs, aiding in tissue repair and enzyme production. Secondly, heme iron — the form of iron present in beef — is more readily absorbed than non‑heme iron from plant sources, making red meat an effective component in preventing and treating iron‑deficiency anemia, especially in populations at risk (e.g., women of reproductive age and toddlers). A systematic review and meta‑analysis found that interventions increasing red meat intake produced measurable improvements in iron biomarkers like hemoglobin, particularly over extended feeding periods. (科学直通车)search14 Zinc, another key mineral abundant in beef, supports immune competence, DNA synthesis, and wound healing. Selenium contributes to antioxidant enzyme systems, which protect cells from oxidative stress. The B‑vitamin profile — including B12, niacin, riboflavin, and B6 — is substantial in beef, with vitamin B12 being essential for neurological function and blood formation. Beef is one of the few natural food sources of B12, which is especially important for older adults and individuals on restrictive diets. Observational evidence supports the role of lean red meat in improving overall nutrient intake when part of a balanced diet. That said, the scientific community emphasizes that moderation is key. Large cohort studies have linked high cumulative intake of red meat to certain chronic health risks, including cardiovascular disease and type 2 diabetes, particularly when consumption exceeds recommendations and when paired with other lifestyle risk factors. Replacing some red meat with plant‑based proteins such as legumes, nuts, or fish has been associated with reduced cardiometabolic risk in multiple studies. (科学直通车)(hsph.harvard.edu) Still, these associations are nuanced: unprocessed red meat like plain ground beef shows a weaker link to increased disease risk compared with processed meats, which often contain additives and higher sodium. Furthermore, a systematic review of randomized controlled trials found that minimally processed beef often had negligible effects on most blood lipid risk factors, suggesting that context matters. (科学直通车)search12 Emerging research continues to explore how meat consumption patterns influence health outcomes. For example, some observational studies indicate that excessive daily intake of red meat may correlate with cognitive decline over decades, although these studies cannot prove causation. (科学直通车)search3 In summary, when consumed in balanced amounts (e.g., within recommended weekly totals and as part of a diet rich in vegetables, whole grains, and other lean proteins), ground beef can contribute meaningfully to nutrient sufficiency, metabolic health, and overall diet quality.

Source: USDA FoodData Central (FDC ID: 169474)