Sajid Maqsood

• PhD, PDF
• Professor at United Arab Emirates University

We elucidated the effects of nitroso-hemoglobin-Arabic gum (N–H + GA) conjugates on the quality and safety of inoculated minced beef during cold-storage by investigating their microbiological and chemical changes, volatile compounds and amino acid profile. Results showed that N–H + GA significantly reduced the total bacterial counts, Salmonella, Ps...

Introduction Replacing animal protein with alternative sources is gaining popularity for sustainable food systems and reducing greenhouse gas emissions. Understanding consumers’ views on alternative proteins is crucial for widespread adoption. Research shows acceptance and preferences vary across cultures, but there is no data for the United Arab E...

Functional biscuit was formulated by fortifying them with polyphenolic extract and fiber‐rich residue of defatted date seed powder (DDSP) obtained through microwave‐assisted extraction. Effect of particle size (small, medium, and large) and substitution level (2.5%, 5%, and 7.5%) of fiber‐rich residue, along with the phenolic extract, on bioactive,...

Recently, bioactive peptides, from natural resources, have attracted remarkable attention as nutraceutical treasures and the health benefits of their consumption have extensively been studied. Therapies based on bioactive peptides have been recognized as an innovative and promising alternative method for dangerous diseases such as cancer. Indeed, t...

This study aimed to investigate the protective effect of a novel capsaicinoid glucoside (CG) against H2O2-induced oxidative stress in HepG2 cells and elucidate its underlying molecular mechanism. CG treatment significantly reduced H2O2-induced cell mortality and attenuated the production of lactate dehydrogenase and malondialdehyde in a dose-depend...

Recent advancements in plant‐based egg analogs (PBEAs) and plant‐based egg‐mimicking products (PEMP) are driven by growing consumer demand and the need for alternatives to animal‐derived products. This movement is being encouraged by several factors, including a drive toward specifically sustainability, increased allergenicity, and consumer prefere...

Enhanced extraction of bioactive components is crucial for valorizing by-products. This study optimized bioactive extraction using a green pH-shift process (pH 1–11), and explored extraction temperature (20–60 °C), solute content (5–25%), and time (15–75 minutes), employing response surface methodology (RSM) and artificial neural network (ANN), and...

There is a growing demand for plant-based protein ingredients with improved functionality for use in diverse food and nutraceutical applications. In line with this, the current study aimed to investigate the effect of plant protein-prebiotic (polydextrose) conjugation on the techno-functional properties (emulsification, solubility, fat absorption a...

Aligning with sustainable food system development, in this study, date seeds derived compounds were utilized as functional ingredient to formulate value-added biscuits. Ultrasound-assisted extraction (UAE) was employed as a non-thermal method to extract polyphenolic compounds from small, medium and large particles of defatted date seed powder (DDSP...

Fermented milk (FM) is well-known to confer health-promoting benefits, particularly for managing chronic metabolic diseases. However, the specific cholesterol esterase (CE) inhibitory activities of FM produced from different animal milk sources have not been extensively explored. This study for the first time investigates the CE inhibition potentia...

Introduction The structuring of plant-based meat alternatives is a complex process which is highly dependent on qualitative and quantitative proportion of different ingredients. In the present study, starch, protein, and oil concentrations were optimized for the formulation of meat alternative (MA) using response surface methodology (RSM). Methods...

Recently, there has been significant research on plant-based meat as a substitute for animal meat. However, developing meat analogues with suitable techno-functional properties and a meat-like texture presents several challenges. In lieu of animal meat, plant-based meats offer a sustainable and healthy alternative. The nutritional and textural prop...

This study focuses on the extraction of bioactive compounds from date seeds using five polyol-based deep eutectic solvents (P-DESs) in combination with hybrid green extraction techniques, specifically microwave-assisted extraction (MAE), homogenization-assisted extraction (HAE), and ultrasound-assisted extraction (UAE). The optimization of these ex...

Whey protein concentrates (WPCs) are gaining importance as a functional ingredient due to their high technological and functional properties and their diverse application in the food industry. In this study, Camel milk whey (CW) was separated from skimmed camel milk, then either spray-dried (SD) at 170, 185 and 200 °C, or treated by ultrasonication...

The effect of multi-frequency ultrasound-assisted (20/28/40 KHz) lactic acid bacteria (LAB- Lacticaseibacillus casei, Lactiplantibacillus plantarum, Lacticaseibacillus paracasei, Lactobacillus acidophilus, and Lactobacillus helveticus) fermentation (mono and co-cultures) on the metabolic, structural, micromorphological, and sensorial properties of...

This study addresses the processing limitations of camel milk for production of textured camel milk cheese by utilising the green carob extract (GCE) as a novel coagulant. The response surface methodology was employed to assess the impact of GCE on the cheese quality parameters. Maximal soft camel cheese yield (24.1%) was achieved using 12% (v/v) o...

Conventional thermal processing in food industries incurs a high energy demand while causing nutritional degradation at higher temperatures. The present study aims to design, build, and validate a novel, energyefficient, pilot-scale vacuum-assisted ohmic heating evaporation (OHVE) system for the thermal processing of liquid foods. Concentric stainl...

With hyperlipidemia posing a significant cardiovascular risk, innovative strategies are essential to unlock new therapeutic possibilities. Probiotic fermentation of milk proteins offers a natural and effective means to produce peptides with hypolipidemic properties, providing a promising approach to lowering lipid levels and reducing cardiovascular...

Bioactive peptides produced via enzymatic hydrolysis have been widely investigated for their dipeptidyl peptidase-IV (DPP-IV) inhibitory properties. However, deficit of studies on fermentation as a mean to produce DPP-IV inhibitory peptides prompted us to draw a comparative study on DPP-IV inhibitory peptides generated from cow, camel, goat, and sh...

Recently, deep eutectic solvents (DES) have been extensively researched as a more biocompatible and efficient alternative to conventional solvents for extracting pigments from natural resources. The efficiency of DES extraction for the anthocyanin and carotenoid can be enhanced by microwave-assisted extraction (MAE) and/or ultrasound-assisted extra...

In the present study, non-conventional and green technology (ultrasonication) was utilized to recover bioactive compounds from the small, medium and large sized defatted date seed powder (DDSP) particles. Bioactive compounds recovered from DDSP and the remaining fiber-rich residue were incorporated as functional ingredient in the biscuit dough to e...

This study evaluated antioxidant and antimicrobial properties of chitosan gel (Cs-gel) functionalized with cinnamaldehyde oil (CN) and orange peel-derived flavonoid extract (Fs) using the ionic-gelation method. Results showed that the encapsulation efficiencies of CCF-9 and CCN were 83.14 ± 3.34 and 80.56 ± 1.17%, respectively. The interaction of C...

The effect of non-thermal (HPP and semi-HPP-CO2) and thermal (flash pasteurization, FP) treatments on phytonutrients of flowable smoothie prepared from quadrable vegetable blends (FQVS) was investigated using multidimensional methods. First, FQVS gained an acceptability sensorial index (85.7%) compared with other formulas. FQVS/semi-HPP-CO2 showed...

Date fruits are a valuable crop that grows well in marginal environments. Date fruit processing generates millions of tonnes of seeds (also known as pits or stones) annually which are used as animal feed and organic fertilizer. At the same time, some are discarded in landfills as waste. Nutritional benefits of date seeds and their laboratory-scale...

The production of whey protein concentrates (WPC) from camel milk whey represents an effective approach to valorize this processing byproduct. These concentrates harbor active ingredients with significant bioactive properties. Camel WPC were spray-dried at inlet temperature of 170, 185 and 200°C, or ultrasonicated (US) for 5, 10, and 15 min, then f...

This research explores the cryoprotective potential of gelatin hydrolysate by determining weight loss and physicochemical changes in the muscle protein of freeze–thawed shrimp. Shrimp treated with gelatin hydrolysate exhibited significantly higher and lower weight gain (9.20%) than those treated with distilled water (0.93%) and mixed phosphates (16...

Non-thermal processes are employed to decontaminate juice products with less negative impact on biochemical, sensorial, and nutritional properties of the products compared with traditional thermal processing. Different non-thermal technologies have been investigated to improve the quality and/or avoid undesirable changes in fruit juices that includ...

Probiotics, which offer various health benefits can face challenges in terms of stability during food processing, storage, and gastrointestinal digestion. Therefore, this study aimed to improve the stability and survival of probiotics during various processing conditions and storage. To address this issue, the study was designed to microencapsulate...

This book provides a comprehensive overview of recent developments to valorize fish waste as a source of useful products. In the first few chapters, an introductory section unearths global fish waste production, its detrimental effects and its role in the circular economy. The next section of the book discusses recent applications of fish waste and...

Due to its nutritional and bioactive content, tomato pomace (TP) remains among the world's richest fruits and vegetables. Tomatoes and TP (generated coproduct) are a very rich source of lycopene and other carotenoid compounds and contain an essential amount of polyphenols, policosanol, phytosterols, organic acids, dietary fibers, minerals, and vita...

The present study was designed to extract the lignin fraction from date palm tree leaves and explore its incorporation into carboxymethyl cellulose (CMC) based composite films at varying concentrations as reinforcing agent. Structural studies revealed that the interaction between lignin and CMC improved the film characteristics and showed good comp...

Dairy cows are economically important cattle with substantially high productivity and milk yield. However, in addition to dairy cows, many other minor dairy animals hold local importance owing to their specific characteristics, such as yak, camel, zebu-brahman, mithun, reindeer, and pig. The increasing demand for milk, driven by population growth,...

Functional foods derived from milk are essential for human health, including fermented milk, dairy beverages, cheeses, and dairy sweets. The nutritional composition of different milk sources varies, impacting the qualities of resultant functional foods. Goat milk has health-promoting compounds, including calcium, medium-chain fatty acids, and α-cas...

This study was designed to explore date palm leaves as natural polyphenolics potential source using appropriate green Natural Deep Eutectic Solvent (NADES) and emerging green extraction technologies. Among the studied NADES, Glycerol-based NADES showed higher phenolics yield compared to saccharide and organic acid-based NADES. Experimental conditio...

Milk-derived peptides have emerged as a popular mean to manage various lifestyle disorders such as diabetes. Fermentation is being explored as one of the faster and efficient way of producing peptides with antidiabetic potential. Therefore, in this study, an attempt was made to comparatively investigate the pancreatic α-amylase (PAA) inhibitory pro...

Noodles are popular food items in many cultures and are consumed by people of all ages worldwide. As consumers become more health conscious, there is an increased interest in incorporating nutritious and health‐promoting ingredients into traditional foods. Compared to wheat flour, which has a high total carbohydrate content and low protein quality,...

Mungbean and pumpkin are rich source of proteins and nutrients which could be utilized in novel food formulations. This study involves formulation of meat analog using mungbean protein isolate (MBPI) and pumpkin protein isolates (PPI) through optimization process using Box–Behnken Design (BBD) of response surface methodology (RSM). MBPI and PPI wer...

This study investigated in vitro antidiabetic, anti-obesity, and antioxidant activities of chia seed protein hydrolysates (CSPHs) and flaxseed protein hydrolysates (FSPHs) generated using three food-grade proteases at the hydrolysis at intervals of 120 min for 6 h. The inhibitory potentials of CSPHs and FSPHs on the enzymatic biomarkers related to...

I am thrilled to announce my new book, “Sustainable Valorization of Date Palm Byproduct ‎and Wastes”, co-edited with Dr. Sajid Maqsood from UAE University, UAE and Dr. Rana Muhammad Aadil from UAF, Pakistan. This book will explore the potential of date palm ‎byproducts as a source of bioactive compounds and value-added products for various ‎applica...

Providing food has become more complex because of climate change and other environmental and societal stressors, such as political instability, the growth in the world population, and outbreaks of new diseases, especially the COVID-19 pandemic. In response to these challenges, the agri-food industry has increased its efforts to shift to using more...

Get your free online copy of the article at the following link: https://www.tandfonline.com/eprint/JYKRACBAVGBJWP6V8VPK/full?target=10.1080/87559129.2023.2228002 or: (50 free online copies of this article can be found on the following link: https://www.tandfonline.com/eprint/NWBHXR6KYSEFUFYEY6EW/full?target=10.1080/87559129.2023.2228002). ABSTRACT...

Objective: The objective of this study is to evaluate the effects of four different cooking techniques viz: boiling, grilling, microwave, and frying; on the physicochemical characteristics of camel meat. Methods: Protein and lipid composition and their degradation as well as biochemical and textural changes of camel meat as influenced by cooking...

The gelatin hydrolysate from Nile tilapia skin (TGH) produced by the hydrolysis of papaya latex enzymes for 0.5 (TGH‐0.5), 1 (TGH‐1), 2 (TGH‐2), 3 (TGH‐3) and 6 h (TGH‐6) was used for determination of the degree of hydrolysis (DH), molecular weight distribution, and cryoprotective and antioxidative activities. The DH of gelatin hydrolysate ranged f...

Carboxymethyl cellulose (CMC) based edible films, reinforced with date seed powder (DSP) were investigated. An increasing concentration of DSP (5%, 10%, 15%, and 20%) was added to the carboxymethyl cellulose film-forming solution. The physical, antioxidant, antibacterial, mechanical, structural, and thermal properties of the films were studied to i...

Salmonella is known to survive in raw/pasteurized milk and cause foodborne outbreaks. Lactoferrin, present in milk from all animal sources, is an iron-binding glycoprotein that limits the availability of iron to pathogenic bacteria. Despite the presence of lactoferrins, Salmonella can grow in milk obtained from different animal sources. However, th...

Purpose of Review Metabolic syndrome is continuously increasing among the world’s populations. Metabolic syndrome is a medical condition in which individuals suffer from high blood pressure, high blood glucose levels, and obesity. The in vitro and in vivo bioactivities of dairy milk protein–derived peptides (MPDP) have proven their potential as an...

Nowadays, the development of suitable strategies for the management and valorization of agri-food products is one of the most important challenges worldwide. In this context, the current research study aimed to explore a valorization strategy for different varieties (Khalas, Jabri, Lulu, Booman, and Sayer) of low-grade date fruit by extracting poly...

The aim of the present study was to comparatively investigate the relative phytochemical profiles (phenolic content, organic and amino acids, free sugars, and other metabolites using metabolomics approach), and bioactive potentials of young (YS) and mature soybean (MS) upon in vitro simulated gastrointestinal digestion (SGID). Cumulatively, a total...

Hypercholesterolemia remains a serious global public health concern. Previously, synthetic anti-hypercholesterolemic drugs were used for ameliorating this condition; however, long-term usage presented several side-effects. In this regard, natural products as an adjunct therapy has emerged in recent times. This study aimed to produce novel bioactive...

An in-depth characterisation of protein and lipid fractions and changes in the physicochemical and meat-quality attributes of camel meat, beef and mutton over 9 days of refrigerated storage was investigated. The lipids of all the meat samples, especially those in camel meat, underwent significant oxidation in the first 3 days of storage. A decrease...

Milk protein hydrolysates derived from 4 camel breeds (Pakistani, Saheli, Hozami, and Omani) were evaluated for in vitro inhibition of antidiabetic enzymatic markers (dipeptidyl peptidase IV and α-amylase) and antihypercholesterolemic enzymatic markers (pancreatic lipase and cholesterol esterase). Milk samples were subjected to in vitro simulated g...

Investigations into ACE inhibitory properties of probiotic fermented bovine, camel, goat, and sheep milk were performed and studied for two weeks refrigerated storage. Results from degree of proteolysis suggested higher susceptibility of goat milk proteins followed by sheep and camel milk proteins to probiotic derived proteolysis. ACE-inhibitory pr...

In this study, eight different natural deep eutectic solvents (NADESs) were utilized in combination with microwave-assisted extraction (MAE) as a green technique for the optimal extraction and achieve enhanced antioxidant activity of bioactive compounds from date seed powder (DSP). The two most efficient NADESs (choline chloride-lactic acid (ChCl-L...

Camel skin gelatin hydrolysate (CSGH) was prepared using different proteolytic enzymes [alcalase (A), protease (P) and their combination (AP (1:1))], hydrolysis time (2, 4 and 6 h) and enzyme: substrate (E/S) ratio (1%, 3% and 5%). In general, the degree of hydrolysis (DH) increased with increasing hydrolysis time for all enzyme treatments. CSGHs g...

Fermented dairy products have been essential elements in the diet of Southern Mediterranean countries for centuries. This review aims to provide an overview of the traditional fermented products in Southern Mediterranean countries, with a focus on fermented dairy products, and to discuss innovative strategies to make improved versions of these trad...

The processing industry discards avocado seeds, which increases production and ultimately pollutes the environment. It would be advantageous to handle these waste by-products both economically and environmentally. Avocado seeds are rich in polysaccharides, proteins, lipids, vitamins, minerals, and other bioactive substances. The nutritional and phy...

Millets are well‐known for protein with high nutritional value and a range of health benefits. Millet‐derived proteins can thus be a rich source of bioactive peptides with multiple bioactive properties. In this study three proteolytic enzymes, i.e. alcalase, bromelain, and chymotrypsin were used to generate pearl millet protein hydrolysates (PMPHs)...

Over the decade, fish protein-derived peptides (FPDP) have been evaluated for various biological activities including their mechanism of action through structure-activity relationship (SAR) and molecular simulation. SAR studies are known to provide the basic structural information of the active site which can be used for designing synthetic bioacti...

Citrullus colocynthis (Colocynth) has originated a great interest in their applications as indigenous medicine and as a functional food ingredient. The intact colocynth seed protein was enzymatically hydrolysed using proteolytic enzymes alcalase, bromelain, and chymotrypsin at different time intervals of 3, 6, and 9 h. The highest degree of hydroly...

The green extraction of bioactive compounds from date seeds was investigated using seven natural deep eutectic solvents (NADES) coupled with ultrasound-assisted extraction (UAE). The seven NADESs mainly consisted of choline chloride as hydrogen bond acceptors (HBA) and four sugars, two organic acids, and one polyalcohol as hydrogen bond donors (HBD...

Lactobacillus reuteri fortified camel milk infant formula (CMIF) was produced. The effect of encapsulation in different matrices (sodium alginate and galacto-oligosaccharides) via spray drying, simulated infant gastrointestinal digestion (SIGID), and storage conditions (temperature and humidity) on the viability of L. reuteri in CMIF and the physic...

The present study aims to investigate the digestive process (gastric and intestinal phases) effects on the survivability of total and individual phenolic compounds, and the in vitro health-related bioactive properties of four high-quality and commonly consumed dates (Phoenix dactylifera) varieties (Safawi, Khalas, Khudri, and Booman). Phenolic comp...

Camel whey-quercetin conjugates were fabricated via free radicals using a combination of ultrasonication treatment and a redox-pair (ascorbic acid/H2O2). Conjugation of whey with quercetin was confirmed using UV-Vis. spectroscopy, FTIR and SDS-PAGE. UV-Visible spectroscopy showed a bathochromic shift and appearance of a hump around ≈350 nm (absent...

Hypercholesterolemia and hypertension are major growing concerns that are managed by drugs that inhibit various metabolic enzymes. Milk hydrolysates have been reported to contain various bioactive peptides (BAP) that can inhibit various metabolic enzymes for enhancing human health. As such camel whey proteins were subjected to peptic hydrolysis usi...

Background: Whey proteins and their peptide derivatives have attracted a great attention of researchers in the pharmaceutical and nutritional fields, due to their numerous bio-functionalities. Aim: In the present research study, enzymatic protein hydrolysates (CWPHs) from camel whey proteins (CWPs) were produced and investigated for their antioxida...

This study aims to investigate the potentials of mature (MSPHs) and young (YSPHs) soybean enzymatic protein hydrolysates for the inhibition of pancreatic lipase (PL) and cholesterol esterase (C-Ease) enzymes. Higher proteins degradation levels were recorded with Bromelain compared to Flavourzyme and Alcalase, and upon hydrolysis, improved PL and C-...

In this study, the synthesis of date seed nanoparticles (SNPs) was investigated using the acid hydrolysis method. Afterwards, the potential extraction of phenolics from the synthetized SNP using microwave was studied using water and methanol as recovery solvents. To accomplish this, the experiments were operated at different conditions following th...

This study aimed to explore the effect of enzymatic hydrolysis conditions (enzyme types and hydrolysis time) of date seed protein hydrolysates (DSPH) on in-vitro inhibition of molecular markers related with diabetic and hypercholesteremia. The DSPH was prepared using alcalase, bromelain, papain, and protease at different hydrolysis time (HT) (2, 4...

Nowadays, during the current COVID-19 pandemic, consumers increasingly seek foods that not only fulfill the basic need (i.e., satisfying hunger) but also enhance human health and well-being. As a result, more attention has been given to some kinds of foods, termed "superfoods," making big claims about their richness in valuable nutrients and bioact...

In this study, the microwave-assisted processing of Sesamum indicum leaves was intensified to predict the total alkaloid content via Taguchi orthogonal design and neural network model. Under the optimum microwave condition, the maximized alkaloid content was estimated to be 15.40 (mg/g) % using irradiation time (A) of 60 sec, microwave power (B) of...

Camel milk (CM) constitutes an important dietary source in the hot and arid regions of the world. CM is a colloidal mixture of nutritional components (proteins, carbohydrates, lipids, vitamins, and minerals) and non-nutritional components (hormones, growth factors, cytokines, immunoglobulins, and exosomes). Although the majority of previous researc...