Abstract
The human consumption of food animal products is the main topic of an important debate among professionals in this sector: dietologists, dietitians and nutritional biologists. The red meat provides all the essential amino acids, bioavailable iron, zinc, calcium, lipids and B-group vitamins. A valid alternative to beef could be the buffalo meat. Italy is the largest European producer of buffalo meat and derivatives. The high nutritional characteristics of buffalo meat make it suitable to be included in the Mediterranean diet to customize it in relation to the needs and conditions of the population. Polyunsaturated/saturated fatty acids ratio can be influenced by diet, breed and type of breeding, but muscle tissue fat percentage is the main factor in determining a favorable fatty acid composition. This review focuses on the biochemical and nutritional characteristics of the buffalo meat (content of fats, cholesterol, amino acids, vitamins and minerals), explaining their variability depending on the different breeds, and the favorable implications on the human health. These results suggest that buffalo meat can be a healthier alternative to beef, not only for healthy people in particular physiological conditions (i.e. pregnancy), but also for persons at risk for cardiovascular and cerebrovascular diseases, thus achieving the goal of a personalized nutrition.
Key words: buffalo meat, biochemical properties, nutritional properties, personalized nutrition, human health
Introduction
Nowadays, the consumption of animal origin products in human nutrition is the main topic of an important debate among professionals: dietologists, dieticians, nutritional biologists and hygienists. Many scientific works, in which observational studies and physio-pathological findings have been carried out, show a correlation between the intake of meat and meat-based products and the onset of degenerative, cardiovascular, cerebrovascular and tumor diseases (Keys, 1980; Barnard et al., 1995; Brunner et al., 2008; Trichopoulou et al., 2009). However, these data must be related to the frequency of intake of the food, the nutritional value and the lifestyle of the population. In particular, red meat provides all the essential amino acids, highly bioavailable heme iron, zinc, calcium, lipids and B-group vitamins (specifically vitamin B12 involved, for example, in brain development and prevention of pernicious anemia). During the evolution of the species, men used hunting, fishing and wild fruit gathering as food source. Currently many populations follow almost the same diet. Cordain et al. (2002) reported that 229 hunter-gatherer populations, whose diet was made up of 26-35% of vegetables and 66-75% of animal origin products, were not affected by cardiovascular diseases.
In the world, the per capita consumption of beef (according to the statistical index of apparent consumption that includes inedible parts, drops in processing and various waste) is gradually being reduced, even in the large countries producing red meat such as South America, USA, Australia, Canada and New Zealand (Assocarni, 2018a).
In Europe, in the last 5 years, the trend of apparent per capita consumption of beef has undergone an inconstant trend, with a slight decline in the years 2013-2014, stabilizing at a consumption of 15.6 kg per capita per year in 2016-2017 (Assocarni, 2018b) .
In Italy, in the last 10 years, a clear reduction in apparent consumption of beef has been reported: it decreased from 24.9 kg per capita per year in 2007 to 17.1 kg per capita per year in 2017 (Assocarni, 2018c).
A valid alternative to beef could be buffalo meat. Italy is the first European country for buffaloes breeding. The current size of the Italian buffalo heritage is 403,093 animals, distributed in a total of 2208 farms (Anagrafe Nazionale Zootecnica - Statistiche, 2018). The buffalo breed in Italy belongs to the Italian Mediterranean breed, typically used to produce milk, which is then transformed into mozzarella and to a lesser extent into provola, scamorza, caciotta and caciocavallo (typical Italian cheeses). The use of buffalo in meat production, on the other hand, only affects a small production niche. Only a few breeders, in fact, dedicate themselves to male calves breeding, because of a lower growth index than the bovine species, even though the feed conversion ratio is almost identical.
Recent scientific evidence presents Foodomics as a new vision, based on Metabonomics and Proteomics, to deepen inside the effects of digestion and to compare the different digestibility and bioavailability of protein-rich foods, developing a new concept of the nutritional value of food (Bordoni et al., 2014). Food of plant and animal origin, including meat, contains bioactive peptides, released during gastrointestinal digestion or during food processing, that exhibit many positive effects on human body (i.e. antioxidative, antimicrobial, antihypertensive, antithrombotic, cytomodulatory, immunomodulatory, anticancer, hypocholesterolemic and antiobesity) (Baltic et al., 2014; Ferranti et al., 2014; Chakrabarti et al., 2018).
Bordoni et al. (2014) and Marcolini et al. (2015) suggest the first combined application of Bradford and SDS-PAGE assays, combined to NMR spectroscopy and relaxometry for the evaluation of protein bioavailability in bresaola, a typical meat-based food of northern Italy, after in vitro digestion. In this way it was possible to evaluate changes in nutritional values and in protein bioavailability occurring in meat-based food during digestion process. No studies on bio-accessibility and bio-availability of buffalo meat nutrients are available so far.
On the other hand, the nutritional and organoleptic characteristics of buffalo meat give it a high dietary value and make it suitable to be included in the Mediterranean diet, in case of personalized nutritional health needs.
Ordovas et al. (2018) defined Personalized Nutrition as “an approach that uses information on individual characteristics to develop targeted nutritional advice, products, or services”. Personalized nutrition refers to tailored nutritional recommendations aimed at the promotion, maintenance of health and diseases prevention. These recommendations consider differential responses to certain individualized food-derived nutrients that arise due to the interaction between nutrients and biological processes (internal factors such as genetics, microbiome, metabolome interactions, and external factors such as dietary habits and physical activity) (Verma et al., 2018).
Biochemical and nutritional characteristics of buffalo meat
Biochemical and nutritional characteristics of buffalo meat have been investigated by various researchers. They focused on the evaluation of its content in cholesterol, fatty acids, amino acids, vitamins, and minerals. Meat characteristics are also significantly influenced by breeding methods that include animal feeding.
Cholesterol and fatty acids composition
Given the implications on human health and product quality, in the last decades increasingly sophisticated techniques have been used to study the composition of fatty acids and the levels of cholesterol present in the meat of animals meant for food consumption.
The buffalo carcass has a different distribution of fat than cattle carcass. In buffalo meat the fat cover is prevalent, and it is concentrated in the subcutaneous area with few infiltrations in the muscular tissue; vice versa, in the beef, the fat infiltrates the muscular masses (typical marbling of the meat). This means that, at the time of consumption, the fat on the outer surface of the buffalo meat is easily detachable from the lean part.
The ratio of polyunsaturated/saturated fatty acids in the meat of ruminants is unfavorably low, as the unsaturated fatty acids that come from the animal’s diet are hydrogenated by rumen microorganisms. This ratio, in relation to the nutritional value of food, is considered an important factor for the human health. The recommended range is 0.45-0.65 (Department of Health and Social Security, 1994); a lower ratio in an individual’s diet can increase the incidence of cardiovascular and cerebrovascular diseases.
Larick et al. (1992) examined buffalo and bovine meat samples, finding differences in the composition of unsaturated and polyunsaturated fatty acids. Monounsaturated fatty acids, in their cis configuration, lower the cholesterol levels and do not reduce the high-density lipoprotein (HDL), a protecting factor against coronary heart disease.
For this reason, the main objective of the new strategies for animal feeding, both for ruminants and non-ruminants, is to increase the concentration of polyunsaturated fatty acids and the levels of conjugated linoleic acid (CLA) in fodder (in particular those of the n-3 series) and to reduce the concentration of saturated fatty acids (mainly present in animal feeds) (Scollan et al., 2006).
The type and proportion of the different fatty acids depend on the type of the evaluated muscle. Calabrò et al., (2014) observed significant differences comparing three types of muscle (P<0.01). The Semitendinosus muscle showed better quality indices and a better fatty acid profile with lower SFA, higher PUFA, MUFA, ω-6, ω-3, and CLA.
Infascelli et al. (2005), in their research, evaluated the cholesterol content and the acidic composition of intramuscular fat in the meat of buffalo and beef steers belonging to the Marchigiana breed (from Marche region of Italy). For this research the following animals were recruited: 8 buffalo steers on the fed a TMR with 14.1% CP and 0.84 UFV/Kg DM and 18 beef calves, belonging to the Marchigiana breed, fed diet with 15% CP and 0.91 UFV/Kg DM. The animals were slaughtered at an average live weight (PV) of 400 kg and 620 kg respectively and the analytical investigations were carried out on the Longissimus dorsi muscle. The protein content was overlapping; the buffaloes also showed lipid concentrations of 1.36% vs 2.40% of the Marchigiana cattle, cholesterol levels equal to 48.8 vs 53.7 mg/100 g, (SFA) levels of 38.4% vs 46.6%, MUFA levels of 37.3% vs 31.2%, PUFA levels of 24.3% vs 22.3%, n- 6 fatty acids levels of 23.7% vs 21.5%. Therefore, the atherogenicity index (IA) and the thrombogenicity index (IT) were significantly lower in the buffalo species (IA of 0.41 vs 0.57 and IT of 1.16 vs 1.36).
Lambertz et al. (2014), on the other hand, investigated the characteristics of the carcasses and the quality of the buffalo meat in the Swamp subspecies, widely distributed in Thailand, bred as a working animal, to supply manure used as fuel and fertilizer and for meat production.
The presence of n-3 and n-6 fatty acids, as well as conjugated linoleic acid, helps to determine the nutritional quality of buffalo meat. The n-3 fatty acids, in particular, have the ability to reduce the serum concentration of triglycerides in humans (Lambertz et al., 2014).
The polyunsaturated/saturated fatty acids ratio is influenced by diet, breed and type of farming. However, the percentage of fat mass in muscle tissue remains the main factor in determining the fatty acid composition and consequently the polyunsaturated/saturated fatty acids ratio (Cifuni et al., 2014).
Amino acid composition
(Landi et al., 2016) analyzed meat samples (Longissimus dorsi) of male buffaloes collected from Campania region in Italy (Bubalus bubalis) and confirmed that water buffalo meat has great advantages for human consumption because of the better protein composition (21.13 g/100 g) than beef meat (19.23 g/100 g) (USDA, 2015). The total free amino acid content for 100 g meat ranged 155.79 to 181.78 mg.
The amounts of essential amino acids (histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, valine, and tryptophan) ranged 8.52 to 10.36 mg/100 g.
Glutamic acid was the most abundant among the free amino acids (34.66-45.76%) as well as alanine. Among the free amino acids, glycine, arginine, and asparagine were highly present.
Moreover, non-essential amino acids were identified (3.36-5.01 mg/100 g). Ethanolamine, β-alanine, and ornithine were the most abundant compounds. Finally, taurine (2-aminoethanesulfonic acid) and urea were highly present, with 17.9% and 14.8% of the total, respectively.
The total amounts of carnosine (β- alanyl-L-histidine) ranged 124.73 to 139.2 mg/100 g, whereas the content of anserine (β-alanyl-N-methylhistidine) ranged 13.79 to 25.59 mg/100 g. Furthermore, the content of carnosine and anserine represents 50% of the total free amino acids.
Ilavarasan et al. (2016) analyzed the amino acid content of 12 male Toda buffalos. The glutamic acid was found to be higher (1.80-2.22 g/100 g) followed by lysine (0.84-1.07 g/100 g) and aspartic acid (0.89-1.05 mg/100 g). Similar results were recorded by Syed Ziauddinet al. (1994). The results of this study revealed that Toda buffalo meat is a rich source of all essential and non-essential amino acids.
Finally, these analyses show that water buffalo meat is a source of carnosine, a natural anti-aging constituent of the human body (Gariballa, 2000).
Vitamins
In 1997 analyzed 12 buffaloes for content of selected vitamins and selenium. The buffaloes came from the United States and Canada and consumed concentrate diets plus hay free choice for at least 180 days.
The mean nutrient concentrations (per 100 grams of wet weight) were as follows: 0.045 mg thiamine (vitamin B1), 0.253 mg pyridoxine (vitamin B6), 2.131 mg cobalamin (vitamin B12), no detectable vitamin C, 0.848 mg vitamin A, 0.047 mg a-tocopherol (vitamin E), 0.013 mg β-tocopherol (vitamin E), and 25.464 mg selenium. All vitamin content of the buffalo cuts was lower than those of beef, pork, chicken, and turkey (except for vitamin A, and sometimes vitamin B12).
The consumption of 100 g of buffalo composite cuts (raw) would provide approximately (of the Dietary Reference Intake): 3% of vitamin B1, 12.7% of vitamin B6, 35.5% of vitamin B12, negligible for vitamin A and E, no vitamin C (Intakes, 2011).
The nutrient content data were for raw or uncooked buffalo cuts. Cooked buffalo cuts most likely would be rich sources of selenium and vitamin B12 and good sources of vitamin B6. The buffaloes were given relatively low levels of vitamins as part of their feeding regimen. Producers should consider adding a supplement containing adequate quantities of the vitamins to the diets of buffalo.
Galbraith et al. (2006) analyzed buffalo meat samples from the USA. They found a vitamin A content in all buffalo cuts 1.74 to 2.46 μg/100 g, which was 2–3 times higher than the average value of 0.848 μg/100 g reported by Driskell et al. (1997). The vitamin A content was similar in all cuts.
In 2000, Driskell et al. focused on riboflavin (vitamin B2) and niacin (vitamin B3) concentrations of 24 buffaloes that were raised in various geographic areas of the United States and Canada. The analyzed cuts contained 5.5% of the daily requirement for riboflavin (1.7 mg/100 g) and 9.6% for niacin (20 mg/100 g) (Intakes, 2011). Buffalo meat was lower than the other meats in riboflavin and niacin contents.
The nutrient content of meat does vary considerably depending on many factors, including genetics, age, feed, and time of year slaughtered. A relevant variation also in riboflavin and niacin from individual buffaloes was found. Furthermore, appreciable quantities of vitamins are known to be lost during the cooking of foods (Driskell et al., 2000).
Minerals
In 2017, Joele et al. analyzed minerals in meat from Longissimus thoracis muscle of 30 crossbred male Murrah X Mediterranean buffaloes (Bubalus bubalis). They found and analyzed a series of micronutrients (iron, copper, zinc and selenium) and contaminants (aluminum and antimony).
All samples had contents in micronutrients above the recommendation by the United States Department of Agriculture (USDA - nutrient database, 2010) of 1.61 g kg−1.48, which confirms that 100 g of buffalo meat supplies the daily requirements of these micronutrients.
Giuffrida-Mendoza et al. (2007) analyzed mineral composition of Longissimus dorsi thoracis of 64 water buffalo and 68 Zebu-influenced cattle. Water buffalo had higher concentrations in K, Mn, Fe, Zn, Cu and P (Fe ranged 1.74 to 2.56 mg/100 g of fresh tissue). Meat contributes to over 25% of an adult’s daily requirement of K, P, Fe, and Zn (Intakes, 2011).
Zhang et al. (2016) analyzed the muscle tissue gene expression, including iron ion metabolism, in water buffalo and in domestic cattle. They found an increased expression of genes involved in iron homeostasis and transport, that indicates it’s very important for maintaining muscle structure and function. The higher mRNA expression of genes involved in iron ion homeostasis was found in buffalo muscle than cattle such as TF (transferrin), and FTL (ferritin, light polypeptide) which is noteworthy.
Considering buffaloes as draft animals, they probably store more iron to ensure that they have sufficient myoglobin in muscle tissue for their heavier workloads, since it is needed for providing oxygen to the working muscles and its storage (Mancini & Hunt, 2005).
The darker color of the buffalo meat is usually attributed to a higher myoglobin content (Tateo et al., 2007). This characteristic is associated with the high levels of iron (Fe) homeostasis genes expressed in buffalo muscle tissues (Zhang et al., 2016).
Breeding methods
Breeding methods of buffalo are various in different countries, as well as the breeds are varied. The main breeds in the world come from the water buffalo (or Asian buffalo - Bubalus bubalis), with two subspecies, river buffalo and swamp buffalo, that differ for behavioral, morphological and genetic features (50 chromosomes in river vs 48 chromosomes in swamp type) and territorial distribution. The river buffalo is bred mainly in Europe, Egypt, Asia, China, Australia, South America and in some African countries. The swamp buffalo is bred mainly in China and India. In Italy there is only one breed: the Mediterranean, which derives from the river buffalo of Asian origin (Borghese, 2005, 2013).
Over the last decade, numerous researchers have studied the chemical-physical and nutritional properties of buffalo meat of the Italian Mediterranean breed, detecting different characteristics in relation to the type of feed.
The fatty acid composition of the meat is mainly influenced by the farming system (grazing or stable) and by the type, quantity and quality of the plants and feed that make up the diet (simple or composed, administered as a single meal or split during the day) (Lambertz et al., 2014). For this reason, the main objective of the new strategies for animal feeding, both for ruminants and non-ruminants, is to increase the concentration of polyunsaturated fatty acids and the levels of conjugated linoleic acid in fodder (in particular those of the n-3 series) and to reduce the concentration of saturated fatty acids (mainly present in animal feeds) (Scollan et al., 2006).
Calabrò et al. (2014) evaluated the influence of a fava bean diet (Vicia faba var. minor) on the nutritional characteristics of buffalo meat. The different type of diet has influenced the qualitative characteristics of the meat analyzed. The meat taken from buffalo fed with fava beans (FB) showed lower values of fat, protein and cholesterol compared to the meat of buffalo fed with soybeans (P<0.05). Furthermore, the considered parameters were visibly different depending on the type of muscle observed (P<0.001); in particular, the Semitendinosus (ST) muscle has the lowest fat content (P<0.01), while the Iliopsoas muscle contains the highest amount of protein (P<0.01).
Effects on health
In 2010 Giordano et al. published a longitudinal observational study on the usual intake of buffalo meat in the diet of 300 adults, divided into 3 groups of 100 individuals (non-consumers, recent consumers and regular consumers of buffalo meat), resident in the Campania region, non-smokers, with no dyslipidemia or type-2 diabetes mellitus.
After 12 months, regular consumers showed a better lipidic profile in their blood, with lower levels of total cholesterol, high levels of HDL and low levels of triglycerides, compared to recent consumers and non-consumers. Furthermore, the same group of adults showed a better oxidative-reductive homeostasis and an improvement of the parameters associated with cardiovascular events, such as reduction of the sphygmic wave speed, of the carotid intima-media thickness and atheromatous plaques.
During the study, regular consumers of buffalo meat did not show an increase in cardiovascular diseases, unlike those who never consumed buffalo meat, in which there was a statistically significant increase in cardiovascular diseases. As a final point, recent consumers presented intermediate values, since they had begun to consume buffalo meat only during the research.
Evaluating the impact on the cardiovascular risk profile related to the intake of buffalo meat, Giordano et al. (2010) concluded that the transition from a beef-based diet to a buffalo meat-based diet seems to be associated, after a few weeks, to an improvement of the different markers of cardiovascular risk, thus detecting a more favorable serum lipidic profile, a lower atherosclerotic involvement at carotid level and a lower susceptibility to oxidative stress.
In 2013 McDaniel et al. conducted a randomized trial to examine the consequence of a single 12 oz serving and 7 weeks of chronic consumption of beef and buffalo on a total of 14 healthy male subjects. Blood lipids, inflammatory markers, oxidative stress and endothelial function were monitored.
After a single meal, buffalo, in contrast to beef, resulted in an attenuated increase in triglycerides, but no elevation in oxidative stress and vascular function were observed. Moreover, after 7 weeks of buffalo consumption, reduced inflammation, lower oxidative stress and a better vascular function were observed, compared to beef consumption. Authors concluded that consumption of buffalo meat, both acutely and chronically, was associated with a lower atherogenic risk than consumption of equal portions of beef (buffalo meat did not generate an increased inflammation and oxidative stress or a decreased vascular function).
The two studies reported, comparing the cardiovascular health risks associated with the acute and chronic consumption of buffalo, showed this meat a healthier alternative, in a society where red meat is widely consumed.
Personalized nutrition is equally applicable to patients and to healthy people who may or may not have enhanced genetic susceptibilities to specific diseases and can be applied in two broad areas: firstly, for the dietary management of people with specific diseases or who need special nutritional support (i.e. pregnancy, old age) and, secondly, for the development of more effective interventions aimed at improving the public health.
In this perspective buffalo meat consumption, which has a favorable content in Zn, Cholesterol and B-complex vitamins, can meet women’s nutritional needs (Ordovas et al., 2018). High contents in Selenium and Iron, can extend the concept of personalized nutrition, that requires further investigations.
Conclusions
In relation to the healthiness aspects of buffalo meat, many studies show that the composition of the intramuscular fat has no role in the onset of cardiovascular and cerebrovascular diseases. In fact, lipids perform different functions in addition to energy supply (9 Kcal/g), such as internal organ protection, body temperature maintenance, appetite stimulation and hydrophilic substances transportation. Diets rich in C18:0 (stearic acid) do not cause an increase in serum cholesterol; long-chain fatty acids C12:0 (lauric acid), C14:0 (myristic acid), C16:0 (palmitic acid), as well as short-chain ones, are atherogenic (Ulbricht & Southgate, 1991).
In 2009, Infascelli et al. made a publication as a part of a project for the enhancement and the promotion of local agri-food excellences to transform them into a source of attraction and investment for new economic opportunities. In this work, a comparison between the Italian Mediterranean buffalo and beef meat shows that many dietary and nutritional characteristics are superior in buffalo for different organoleptic parameters (Tables 1-5):
Table 1.
Comparison of the chemical characteristics between buffalo and beef Longissimus dorsi muscle (adapted from Infascelli et al., 2009 with permission).
| Chemical characteristics | Buffalo | Beef |
|---|---|---|
| Water (%) | 74.2 | 72.0 |
| Protein (%) | 21.2 | 21.3 |
| Fat (%) | 1.6 | 5.3 |
| Cholesterol (mg/100 g) | 41.3 | 60-90 |
| Ash (%) | 1.0 | 0.8 |
| pH | 5.4 | 5.6 |
Table 2.
Comparison of the fatty acid profiles between buffalo and beef Longissimus dorsi muscle (adapted from Infascelli et al., 2009 with permission).
| Fatty acids composition | Buffalo | Beef | ||
|---|---|---|---|---|
| mg/100g | % | mg/100g | % | |
| C14 | 15.3 | 1.9 | 9.9 | 1.4 |
| C16 | 189.3 | 23.0 | 143.9 | 20.0 |
| C18 | 173.7 | 21.1 | 117.7 | 16.4 |
| C18:1 | 253.0 | 30.8 | 267.3 | 37.2 |
| SFA | 383.0 | 46.6 | 275.7 | 38.4 |
| PUFA | 255.7 | 31.1 | 267.9 | 37.3 |
| MUFA | 182.0 | 22.3 | 175.0 | 24.3 |
| n-6 | 176.7 | 21.5 | 170.2 | 23.7 |
| n-3 | 5.3 | 0.8 | 4.7 | 0.6 |
| AI | 0.57 | 0.41 | ||
| TI | 1.63 | 1.16 | ||
SFA: saturated fatty acids; MUFA: monounsaturated fatty acids; PUFA: polyunsaturated fatty acids. AI: Atherogenic Index; TI: Thrombogenic Index.
lower concentration of total lipids (1.6% vs 5.3%);
lower cholesterol content (41.3 mg/100 g vs 60-90 mg/100 g);
lower levels of AI Atherogenicity Index (0.41±0.04 vs 0.57±0.06) and of TI Thrombogenicity Index (1.16±0.13 vs 1.63±0.13);
higher content of vitamin B6 (0.44 mg/100 g vs 0.30 mg/100 g) and B12 (1.28 mg/100 g vs 1.00 mg/100 g).
higher concentration of iron (1.4 mg/100 g vs 1.2 mg/100 g) and zinc (4.0 mg/100 g vs 3.2 mg/100 g);
Zhang et al. (2016) conducted a study on 6 buffalo females and 6 cattle females, native to the city of Nanning and Baoji, comparing their genome and in particular the genes related to homeostasis of protein, lipid, glucose and other nutritional values. Genetic analysis showed that buffaloes have a high expression of genes involved in the homeostasis of iron, cholesterol and other lipids, which confers their meat a high protein and a low lipid content and an intense dark color.
Furthermore, an evaluation and a comparison of the organoleptic quality of the two investigated species meat were carried out by studying the Longissimus thoracis muscle. Buffalo meat had a more intense color than beef (P<0.05), but the latter had a lower protein, higher fat and ether extracts content. Despite this, the two types of meat had similar chemical and physical characteristics. The most intense color of buffalo meat was due to the greater amount of myoglobin contained in its muscles (Zhang et al., 2016).
According to these results, the buffalo meat is presented as a healthier alternative to the widespread beef. Further investigations, especially from an economic and organoleptic point of view, are needed to confirm these results and to stimulate the diffusion of this food in the Mediterranean diet.
Table 3.
Comparison of the amino acid composition between buffalo and beef Longissimus dorsi muscle (adapted from Infascelli et al., 2009 with permission).
| Amino acid composition (g/16g N) | Buffalo | Beef |
|---|---|---|
| Isoleucine | 5.0 | 4.8 |
| Leucine | 8.1 | 8.1 |
| Lysine | 8.4 | 8.9 |
| Methionine + Cystine | 3.9 | 4.0 |
| Phenylalanine + Tyrosine | 6.7 | 8.0 |
| Threonine | 3.8 | 4.6 |
| Tryptophan | 1.0 | 1.1 |
| Valine | 4.5 | 5.0 |
Table 4.
Comparison of the vitamin composition between buffalo and beef Longissimus dorsi muscle (adapted from Infascelli et al., 2009 with permission).
| Vitamin composition (mg/100g) | Buffalo | Beef |
|---|---|---|
| Thiamine (vit. B1) | 0.06 | 0.15 |
| Riboflavin (vit. B2) | 0.19 | 0.26 |
| Niacin (vit. B3) | 6.30 | 6.30 |
| Pyridoxine (vit. B6) | 0.44 | 0.30 |
| Cobalamin (vit. B12) | 1.28 | 1.00 |
Table 5.
Comparison of the mineral composition between buffalo and beef Longissimus dorsi muscle (adapted from Infascelli et al., 2009 with permission).
| Mineral composition (mg/100g) | Buffalo | Beef |
|---|---|---|
| Calcium | 5.1 | 7.4 |
| Phosphorus | 181.1 | 109.4 |
| Iron | 1.4 | 1.2 |
| Sodium | 74.6 | 61.9 |
| Potassium | 290.3 | 312.4 |
| Zinc | 4.0 | 3.2 |
| Magnesium | 24.2 | 25.7 |
| Chromium (μg/100g) | 2.0 | 1.5 |
| Manganese (μg/100g) | 9.4 | 9.0 |
| Copper (μg/100g) | 181.1 | 166.0 |
Funding Statement
Funding: none.
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