Sesame Meal Research Articles

Construction and characterization of sesame meal-stabilized Pickering high internal phase emulsions and their application in cake production

Pickering high internal phase emulsions (HIPEs) show promise for solid fat replacement and nutrient delivery, but the availability of safe and easily accessible food-borne particulate emulsifiers is a bottleneck limiting their practical application. In this study, the feasibility of using sesame meal as an emulsifier for the construction of sunflower oil-based Pickering HIPEs was evaluated. These HIPEs were then characterized in terms of their microstructural and mechanical properties, and utilized as a substitute for butter in cake production. Results showed that sesame meal is rich in protein, and has a particle size (median diameter, 46.40 ± 0.83 μm), and wettability that makes it suitable for use as an emulsifier. It stabilized O/W type Pickering HIPEs formulated with sunflower oil with a volume fraction of up to 80 %. The mechanical properties of these Pickering HIPEs were positively correlated with the concentration of sesame meal. Sunflower oil-based HIPEs prepared from sesame meal can partially replace butter for cake preparation when φ = 80 % and c = 9.0 %, and enhance the internal pore structure of cake when butter substitution (Wb) ≤ 30 %. This provides a new way to use sesame meal and new type of food-grade Pickering HIPEs.

A Study on the Physiological Activities of the Components of Sesame Meal

A Study on the Physiological Activities of the Components of Sesame Meal

Evaluation of the effect of a composite coating of chitosan-cress seed gum, along with hydrolyzed protein from sesame meal (in free and encapsulated forms), to increase the shelf life of ostrich fillets

Evaluation of the effect of a composite coating of chitosan-cress seed gum, along with hydrolyzed protein from sesame meal (in free and encapsulated forms), to increase the shelf life of ostrich fillets

Reduction of toxic aldehydes in heated flaxseed oil using sesame and perilla protein enzymatic hydrolysates.

Reducing ability of sesame meal protein enzymatic hydrolysates (SMH) and perilla protein enzymatic hydrolysates (PMH) on the content of toxic aldehydes including acetaldehyde, formaldehyde, 2-hydroxylhexenal (HHE), and 2-hydroxyl nonenal (HNE), were evaluated in heated flaxseed oil at concentrations ranging from 0.01 to 1.0g. Adding SMH and PMH decreased the formation of secondary oxidation products and toxic aldehydes during heating. In particular, HHE and HNE were not detected, even at 0.01g of protein concentration. Free radical scavenging activities in heated flaxseed oil significantly increased when 1.0g of SMH and PMH were added (p < 0.05). Some volatiles including 2-ethylpyridine, pyrazines, and trimethylamine were formed or increased substantially in flaxseed oils with higher concentrations of SMH and PMH. In general, SMH showed higher antioxidative activity and reducing ability on the toxic aldehydes than PMH. Plant protein enzymatic hydrolysate could control the formation of toxic aldehydes during oxidation of ω-3 edible oil.

Nutritional Evaluation of Milk Thistle Meal as a Protein Feedstuff for Diets of Dairy Cattle.

The objective of this work is to investigate the chemical and nutritional value of milk thistle meal (MTM) in order to improve it and to provide theoretical support for its application in dairy cattle production. MTM was assessed in comparison with seven conventional protein feed sources, namely, soybean meal (SBM), cottonseed meal (CS), canola meal (CN), palm kernel meal (PK), rice bran meal (RB), corn germ meal (CG), and sesame meal (SS). The chemical composition of these feedstuffs was assessed using wet chemical analysis, the Cornell Net Carbohydrate and Protein System was used to evaluate the carbohydrate and protein fractions, and the in situ nylon bag technique and the modified three-step in vitro method were used to assess the rumen degradation and intestinal digestibility. Additionally, Fourier transform infrared technology was used to determine the feedstuff protein spectral molecular structure and its amino acid profile was also assessed. The result showed that MTM acid detergent fiber, lignin, unavailable nitrogen, and non-degradable carbohydrate content were higher than those of the other feedstuffs. It had a 17% and 36% rumen effective degradation rate of neutral detergent fiber and dry matter, respectively, and had the lowest small intestinal rumen undegradable protein digestibility rate. It was low in leucine, histidine, arginine, and proline, but high in methionine. The total area of amide I and amide II in the protein secondary structure was similar to that of CN and CS, and the amide I and II ratio was not different from that of RB. To sum up, MTM has a poor carbohydrate composition and is high in fiber but, in comparison to most other protein feeds, has a higher crude protein rumen effective degradation rate, similar to that of SBM, and it is a good source of methionine, a limiting amino acid. Hence, its nutritional value can be further improved for application in dairy feeding through processes such as microbial or enzymatic fermentation.

Sesame meal and lemon zest – enriched mayonnaise: Proximal analysis and toxicological studies in animals

Considering the high global consumption of mayonnaise and modern concerns about the health value of food products, the recipe for mayonnaise sauces is constantly evolving. In this study, we present the proximal analysis and toxicological evaluation of a new mayonnaise, which was patented. Starch was replaced with sesame meal, and lemon zest was added as an antioxidant. Compared to a mayonnaise prepared using a traditional recipe as control, the enriched mayonnaise had higher protein and lower fat content, suggesting a potentially healthier product. Aditionally, peroxide and anisidine values were lower in the new mayonnaise, indicating higher resistance to oxidative damage. Toxicological studies of the enriched mayonnaise, including oral moderate-to-lethal dose (acute oral toxicity), cumulative (subacute) action, irritating effect on mucous membranes, and sensitizing properties, which were conducted on laboratory animals following required regulatory standards, are shown in this work. The patented sesame meal and lemon zest-enriched mayonnaise proved to be safe in all performed studies, meeting safety requirements regarding toxicological parameters. Furthermore, the enriched mayonnaise is affordable, with a production cost similar to that of control mayonnaise.

Investigating the effect of sesame meal replacement for soybean meal in diets with different levels of calcium and phytase enzyme in broiler chickens.

As a major part of the cost of broiler farms is related to their feed, breeders are looking for diets at a reasonable price. One of these affordable ingredients is sesame meal (SM), which can be used to replace soybean meal (SBM) in diets. This study aims to investigate the effect of replacing SBM with SM in diets with different levels of calcium (Ca) and phytase (Phy) during the grower (11-24 days), finisher (25-42 days) and whole phases (11-42 days) on the growth performance, carcass characteristics and blood serum parameters of broiler chickens. A total of 600 1-day-old Ross 308 broiler male chicks were randomly dispensed to 12 dietary treatments with five replicates (10 birds per replicate) based on a completely randomized design in a factorial arrangement of 3×2×2 with 3 levels of SM (0%, 10% and 20%), 2 levels of Ca (standard (0.87% and 0.79% for grower and finisher phases, respectively) and 0.2% higher than the standard amount) and 2 levels of Phy (0 and 700FTU/kg diet). During the study, the significant effects of SM, Ca and Phy on the daily average body weight gain (DAWG) and daily feed intake (DFI) were observed, whereas for the feed conversion ratio, only the effect of SM was significant (p<0.05). During the finisher and whole phases, the SM and Ca levels influenced the DAWG and DFI, whereas the interaction between Phy and Ca was also significant for DAWG (p<0.05). The main effects of SM and Ca on the relative weights of breast, heart and liver were significant (p<0.05). Application of 20% of SM significantly reduced serum Ca concentration (p<0.05). Generally, the inclusion of more than 10% of SM in the broilers diet is not recommended. In addition, the use of Phy and Ca levels 0.2% higher than standard in broilers diet could improve the birds' performance.

Feeding formaldehyde-treated sesame meal to lactating Murciano-Granadina goats: implications on milk yield and composition, digestibility, rumen fermentation, and blood metabolites

Aim of study: To investigate the effect of substituting sesame meal (SM) treated with different levels of formaldehyde instead of soybean meal (SBM) on rumen fermentation, milk composition, and hemato-chemical parameters in lactating goats. Area of study: Kerman, Iran. Material and methods: Forty Murciano-Granadina goats in mid-lactation were allocated to four groups as a completely randomized design for 56 d. They were fed with diets containing: 1) SBM (control), 2) 12.5% untreated SM, 3) 12.5% treated SM with 0.8 g formaldehyde/100g crude protein (CP), and 4) 12.5% treated SM with 1.2 g formaldehyde/100g CP. Main results: The goats fed diet containing SM treated with 1.2 g of formaldehyde had greater (p &lt; 0.01) intake of dry matter, CP and metabolizable energy (ME) than other groups. Milk yield and milk protein in goats fed diets containing 1.2 g formaldehyde-treated SM were greater than others (p &lt; 0.01). Fat-corrected milk and total solids in groups fed diets containing formaldehyde-treated and untreated SM were greater than those in control (p &lt; 0.01). Goats fed control diet showed a greater proportion of saturated fatty acids (SFA), and short and medium-chain FA in their milk compared to other groups (p &lt; 0.01). Partial replacement of SBM with formaldehyde-treated or untreated SM increased milk unsaturated FA and long-chain FA (p &lt; 0.01). Goats fed formaldehyde-treated SM had lower acetate production (p &lt; 0.01). Research highlights: Partial replacement of SBM with formaldehyde-treated SM can be suggested to increase lactating goats' performance without adverse effects on their health.

Exploring the potential applications of biopeptides from seaweeds, insects, and food wastes: mechanisms, utilisation, and industry implications

SummaryThe quest for a green and sustainable environment has created innovative ways of recycling and valorising agro‐based wastes, as well as using uncommon raw materials for food products. Likewise, food proteins and peptides are potentially generated from unique sources such as seaweeds, insects, hemp, rapeseed cake, olive meal cake, sesame meal, flaxseed cake, sunflower meal, spent grain, pomace, and pit for the development of functional foods and biopeptide‐based products. These biopeptides confer numerous positive health benefits against chronic diseases such as cancer, obesity, type 2 diabetes, hypertension, and neurodegeneration. In this review, diligent efforts were made to provide an updated status on the biopeptides produced from various unusual sources with certain salient considerations towards their production, biological activities, action mechanisms, and safety. We also discussed the possible drawbacks encountered during their applications in the nutraceutical and functional food industries.

α-Glucosidase Inhibitors from Cold-Pressed Black Sesame (Sesamum indicum) Meal: Characterization of New Furofuran Lignans, Kinetic Study, and In Vitro Gastrointestinal Digestion.

Black sesame (Sesamum indicum) meal is an agricultural waste obtained after oil extraction. It is used as a key protein source in animal feed. Previous investigations have indicated that its health benefits, such as antidiabetic activity, are mainly due to its high lignan content. In the present study, we applied α-glucosidase inhibitory guided isolation to identify the active components responsible for the above claim. Twenty-nine compounds, mostly lignans, were isolated and identified, of which five (2-3, 12-13, and 28) were newly isolated. Of the isolated compounds, 20 and 21 were the most potent inhibitors, retarding enzyme function in noncompetitive and uncompetitive manners. Structure-activity relationship analysis suggested that the number of phenolic hydroxyl groups in the structures was significantly related to the inhibitory effect against α-glucosidase. A gastrointestinal digestion study of the major lignan sesaminol triglucoside (STG, 9) suggested that the transformation of dioxymethylene and glucoside moieties gradually began in the late process, thus enhancing the α-glucosidase inhibitory effect.

Effect of Replacement of Soybean Meal with Sesame Meal in The Diet of Thai-Chitralada Strain of Oreochromis niloticus (L)

Background: The present study was aimed to determine effect of replacement of soybean meal (SBM) with sesame meal (SSM) in the diet of Juvenile Thai chitralada tilapia. Methods: The study was undertaken with different inclusion levels of sesame meal (SSM) such as T1 (25% SSM), T2 (30% SSM), T3 (35% SSM) and control feed (C) for a period of 90 days. Result: Thai-Chitralada tilapia fed with T3 (35% SSM) diet attained maximum mean weight gain (28.09 g), highest specific growth rate (SGR) (2.69%), best feed conversion ratio (FCR) (1.04), maximum average daily growth (ADG) (0.31 g) and maximum protein efficiency ratio (PER) (8.87). The lowest growth rate (GR) was observed in the group fed with control diet. Diets with 35% SSM replacement upon SBM showed higher amino acid (AA) profile than other treatments and control diet. Analysed AA profile in T3 - 35% SSM was Arg - 2.88, Hist - 0.86, Isol - 0.92, Leu - 2.60, Lys - 3.78, Met - 0.39, Cys - 0.38, Phe - 1.77, Thr - 1.08, Val - 0.99, Tyro - 1.09, Trypt - 0.24. The higher DNA / RNA ratio of Thai-Chitralada tilapia was obtained in T3 - 0.459, followed by T1 - 0.44 and T2 - 0.323. The lower DNA / RNA ratio of Thai-Chitralada was obtained in control - 0.321. One way ANOVA of the data analysis and Duncan multiple range test clearly affirmed that different between and sampling periods, Thai-Tilapia fingerlings had significant difference (P less than 0.05) among the different experimental diets. From the present experiment, it could be concluded that, sesame seed meal can replace 35% SBM in the diets of Thai-Chitralada tilapia.

Comparative evaluation of nutrient composition, in vitro nutritional value, and antioxidant activity of de-oiled meals from walnut, hazelnut, almond, and sesame.

This study aimed to establish a comparative database on the chemical composition, in vitro nutritional value, and antioxidant activity of the de-oiled meals produced from walnut, hazelnut, almond, and sesame seeds from the ruminant nutrition perspective. The meals were provided in dried form after their oil harvest using the cold-pressing oil extraction method. Crude protein (CP) constituted the major component of the meals and was the greatest in walnut and almond (average of 45.6% of dry matter (DM)], intermediate in hazelnut meal (41.4%), and least in sesame meal (33.3%)). Potassium was the most abundant mineral in walnut, hazelnut, and almond meals, followed by phosphorus, calcium, and magnesium. The CP fractions determined using the Cornell Net Carbohydrate and Protein System were largely different across the meals, with fraction A being the greatest in hazelnut (40.9% of CP) and intermediate in almond, sesame, and walnut meals (11.4% of CP). The unavailable CP fraction (fraction C) was the least abundant fraction in all meals, ranging from 0.13% of CP in walnut to 3.30% of CP in hazelnut meal. Oleic and linoleic acids were the predominant unsaturated fatty acids, and palmitic acid was the principal fatty acid in all meals analyzed. The fractional degradation rate (h-1) ranged from 0.043 in almond meal to 0.017 in walnut meal. In vitro intestinal CP digestibility (% of rumen-undegraded protein) ranged from 91.6 in hazelnut meal to 97.2 in almond meal. Total phenolics expressed as milligram tannic acid equivalent/gram DM was greatest in walnut meal (11.9), resulting in the greatest antioxidant activity recorded for walnut meal (83.2%). This study provided a database on the nutrient composition, in vitro nutritional value, and antioxidant capacity of the selected de-oiled meals. Additional investigation is needed to identify the in vivo response of their inclusion in the diet of ruminants.

Growth performance, nutrient digestion, rumen fermentationand blood biochemistry in response to partially replacing cottonseed cake with sesame meal in a lamb feedlot diet.

Recently, it is necessary to formulate high-quality, balanced and low-cost rations for ruminants from nontraditional sources. The present study conducted to investigate the impact of partially replacing corticated cottonseed (CS) cake with sesame meal (SM) in a lamb feedlot diet on growth performance, nutrient digestion, rumen fermentationand blood biochemistry. Fifteen growing lambs with an initial body weight of 27.4 ± 1.2 kg (6-7 months old) were randomly assigned into three equal groups (n = 5). Lambs in control group (CS) fed a basal diet, while 8% and 16% SM were used to replace an equal portion of corticated CS cake in the second (8SM) and third (16SM) groupsrespectively. Results showed that most parameters of growth performance and nutrient digestibility were significantly improved (p < 0.05) with the partial replacement of SM (8SM and/or 16SM). Regarding ruminal parameters, ruminal pH and total volatile fatty acids concentration increased (p < 0.05), while ammonia level and total protozoa count decreased with the partial replacement of SM. Moreover, blood parameters showed variant responses to SM partial replacement. Total protein increased, and glucose decreased significantly with 16SM, while cholesterol showed a significant decreasing with both SM replacement levels. SM may substitute CS cake in lamb diet without detrimental effects on performance, digestibilityand ruminal fermentation.

Temperature and pH Optimization for Protease Production Fermented by Yarrowia lipolytica from Agro-Industrial Waste

The use of yeasts for the production of proteases has increased in demand in recent years. Y. lipolytica has been reported as a strain with high yields of protease production. This work aimed to evaluate the impact of pH and temperature on the production of proteases using Y. lipolytica in solid-state fermentation (SSF). Soybean, canola meal, cottonseed meal, and sesame meal wastes were used as nutrient sources at seven pH levels (4, 5, 6, 7, 8, 9, 10) and five temperatures (25, 30, 35, 40, 45 °C). The waste source and optimal conditions for maximum enzyme production (EP) were obtained by Box–Benhken design. The results revealed that at pH of 7, temperature of 30 °C, and for 48 h cultivation period, canola meal showed the best EP with 188.75 U/L, followed by soybean with 117.07 U/L, cottonseed meal with 66.71 U/L, and sesame with the lowest production, reaching 88.5 U/L up to 35 °C. The temperature factor exhibited the greatest effect on protease production. The biotechnological and economic potential of canola meal in the production of enzymes is highlighted.

Extraction of protein from sesame meal: Impact of deep eutectic solvents on protein structure and functionality

There is an increasing need for sustainable sources of dietary protein. Sesame meal is a protein-rich waste from the industrial production of sesame oil. It could help meet this need if high quality protein could be extracted from the meal in an environmentally friendly way. The traditional alkali-soluble acid precipitation extraction process produces proteins with poor functionality and harmful to the environment. Deep eutectic solvents (DESs) offer a novel, sustainable approach to protein extraction. In this study, four DES systems (choline chloride-glycerol, choline chloride-ethylene glycol, choline chloride-oxalic acid, and choline chloride-glycolic acid) were designed and tested in 3 M ratios (10 sample solutions). Extracted proteins were compared with protein extracted by traditional alkali-soluble acid precipitation in terms of structure and function. The choline chloride-ethylene glycol system extracted protein with a purity of 93.3%. The choline chloride-oxalic acid system performed well in terms of solubility, emulsification, foaming and thermal stability. These results indicate that deep eutectic solvents can effectively extract sesame protein with characteristics appropriate for use in the food industry. This research lays the groundwork for high-value utilization of sesame meal, which is currently discarded as waste.

Sonication of sesame meal protein isolates modified its microstructural and functional properties

In this study, changes in the structure and functional properties were investigated by dispersing sonicated sesame meal protein isolates (SMPI) at various pHs (pH 4, 6, and 8). SMPI, obtained through hot-water extraction from sesame meal, a food by-product, were sonicated at powers of 100, 150, and 200 W for 30 min. As a result, sonication significantly reduced the particle size of SMPI without affecting their SDS-PACE protein bands. Increasing the sonication power led to noticeable modifications in the secondary and tertiary structures of SMPI, as evidenced by a decrease in the FT-IR transmission intensity and the fluorescence intensity. Furthermore, the sonication process significantly improved the solubility and emulsifying properties of SMPI at pH values above the isoelectric point, while also increasing water and oil absorptions by 1.71- and 1.2-fold, respectively. Therefore, the sonicated SMPI (SSMPI) can be a promising candidate for reusability as a natural plant protein-based food materials, offering improved solubility and emulsifying properties.

A fast multi-residue analysis of twenty-four classes of pesticide in sesame (Sesamum indicum L.) and their migration into processed products

Sesame is widely used as a nutritional supplement or condiment because of its nutritious properties and palatable flavor. However, the extensive use of pesticides in sesame fields has paradoxically decreased the nutritional vantage. The current study used QuEChERS with a low-temperature freezing method to develop a multi-residue analytical approach to detect target analytes (pesticides) in sesame seed, sesame oil, sesame paste, and sesame meal. The migration ability of target pesticides during oil processing was investigated using HPLC-MS/MS and GC-MS: 35% of pesticides decreased, with processing factors (PFs) lower than 0.98, whereas 65% migrated from the seed to the oil during processing. The migration success of methoxyfenozide was the highest, while clothianidin and pymetrozine demonstrated a significantly lower rate of transfer. The results provide insight into the types of pesticides that should be used in farming practices of sesame to decrease the impact on human health.

Unripe banana and defatted sesame seed flours improve nutritional profile, dietary fibre and functional properties of gluten-free sorghum cookies

Rising incidence of nutritional deficiency and chronic diseases among celiacs continuously drives the food industry to search for novel functional ingredients high in health-promoting constituents such as dietary fibre and protein. This study investigated the impact of unripe banana flour and sesame meal addition as functional ingredients to enhance the dietary fibre, nutritional profile and functional properties of gluten-free sorghum cookies. Gluten-free sorghum cookies were prepared using composite sorghum flours (SF) formulated by alternately replacing SF (30–65%) with unripe Cardaba banana flour (CBF) (30–65%) and sesame meal (SM) (5%). Nutritional composition, mineral molar ratios, dietary fibre and functional properties of the flours and cookies were assessed using standard methods. Physical parameters including diameter, thickness, spread ratio and weights as well as the sensory attributes of the cookies were evaluated. While sesame meal addition significantly (p ≤ 0.05) influenced protein enhancement, CBF inclusion significantly enhanced ash, insoluble dietary fibre, mineral contents and functional properties of sorghum flours and cookies. The significantly (p ≤ 0.05) higher values in thickness, diameter and spread ratio composite cookies containing higher CBF [CBC65 (cookie with 65% CBF) had the highest values] may indicate CBF addition enhanced the cookie-making potential of sorghum flour. Similarly, its highest flavor, aftertaste and overall acceptability scores as compared to the control (100% wheat cookie) or other composite cookies may have been influenced by the combined sweetness of banana’s natural flavor and sugars produced during baking. The incorporation of Cardaba banana flour into sorghum cookie formulation may hold interesting potential as a rich source of dietary fibre and other bioactive compounds as well as aiding functional and sensory enhancement of sorghum flour. Defatted sesame seed flour when incorporated into this blend at a ratio not more than 5% may aid in the production of organoleptically acceptable enriched gluten-free sorghum:Cardaba banana:defatted sesame cookies that could offer nutritional and health benefits for both gluten-sensitive and non-gluten-sensitive consumers.Graphical

Feed intake and milk yield and composition of lactating dairy goats in response to partial substitution of soybean meal for formaldehyde-treated sesame meal in the diet

ABSTRACT This study was conducted to evaluate the effect of substitution of soybean meal (SBM) for formaldehyde-treated sesame meal (FTSM) on nutrient intake and digestibility, ruminal and blood parameters and milk production and composition in lactating Murciano-Granadina goats. Forty lactating goats were randomly assigned to one of the following four treatments: (1) diet with 16.5% CP, containing SBM (CON); (2) diet with 16.5% CP, containing untreated SM (USM); (3) diet with 16.5% CP, containing FTSM (FT); and (4) diet with 14.5% CP containing FTSM (LPFT). The results showed that nutrient intake was highest in the FT group (p < 0.001), while it was similar between the CON and LPFT groups, except for the intake of CP, which was higher in the CON group. The FT and LPFT had lower ruminal pH compared to CON and USM groups (p < 0.001), with goats in group FT having the highest volatile fatty acids (VFA) production (p < 0.001). The highest propionate concentration was observed in the LPFT treatment (p < 0.001), followed by the FT, CON, and USM treatments. Goats offered USM and LPFT treatments presented the highest and lowest acetate: propionate values, respectively, among the experimental groups (p < 0.001). The results also showed that LPFT goats had the lowest blood urea nitrogen (BUN) level (p = 0.004), while FT goats presented a lower non-esterified FA (NEFA) level compared with CON and LPFT goats (p = 0.01). Goats offered the FT diet had the highest milk yield (p = 0.002) and energy-corrected milk yield (p < 0.001) among all dietary groups. The highest milk fat (p < 0.001), protein (p = 0.001), lactose (p = 0.007), total solids (p = 0.003), and solids-not-fat (SNF) (p = 0.003) contents were observed in FT goats, which didn’t differ from USM goats. The inclusion of formaldehyde-treated SM increased the percentage of C18:3 (p < 0.001) and C20:1 (p = 0.04) FAs compared with USM and CON treatments. Milk from USM, FT, and LPFT goats had lower levels of saturated (p < 0.001) and medium-chain FAs (p = 0.014) compared with CON goats, whereas milk from CON goats had lower levels of unsaturated, monounsaturated, and long-chain FAs compared to other groups (p < 0.001). The lowest and the highest concentrations of polyunsaturated FAs were observed in CON and LPFT goats, respectively (p = 0.001). It can be concluded that SBM can be advantageously replaced by formaldehyde-treated SM in the diet as a feasible alternative to improve feed intake and production performance of dairy goats.

Effect of Feeding Soybean and Sesame Seed Meal on Semen and Blood Plasma Traits in Awassi Rams

This study was done by using 15 Awassi male lambs, with an average body weight of 60.70 kg and age 10-12 months. Lambs were randomly distributed into three treatments, the first treatment was fed on a diet that contained (10%) soybean meal, the second treatment was fed on a diet that contained (11%) untreated sesame seed meal, and the third treatment was fed on a diet containing (11%) of formaldehyde-treated sesame seed meal. The results showed that daily feed intake decreased in T3 by 1.07 kg as compared with the T1 and T2 (1.34 and1.27 kg) respectively, semen characteristics did not differ as a result of treatments but dead sperm in the T3 was significantly decreased (p≤0.05) 11.31% as compared with the T2 15.57%. Blood glucose was higher (p≤0.05) in the T2 at 93.97 mg/dl as compared with the T1 and T3 (72.74, 73.26 mg/dl) respectively. also, cholesterol concentration increased significantly in T3164.57 mg/dl compared with T1 and T2 (134.27 and 140.05 mg/dl) respectively. Whereas, feeding sesame meal treated with formaldehyde led to a significant decrease (p≤0.05) in blood urea concentration of 42.88 mg/dl compared to 48.14 and 50.47 mg/dl, respectively, for the T1 and T2.