Prem Prakash Srivastav

• PhD
• Professor (Associate) at Indian Institute of Technology Kharagpur

The quality of roasted grain powders is greatly affected bythe roasting process variables; viz., initial moisture content (IMC), grain-to-sand ratio (GSR), sand temperature (ST) and roasting time (RT). The sensory optimization for these variables was done in two phases. The IMC (12 ± 0.2%) and GSR (1:4) were standardized in the first phase, whereas...

Foam expansion and foam stability of the bael (Aegle marmelos L.) fruit pulp foam was studied. Foams were prepared from various pulp concentrations (PC) by adding different concentration of glycerol monostearate (GMS) and methyl cellulose (MC) at different whipping time (WT). Response surface methodology was used to predict the foam stability and e...

Research on acrylamide has been going on for the last four decades. However, its presence in carbohydrate-rich and high temperature processed foods was confirmed in 2002, after which a significant progress in this field has been made. A number of studies were conducted to explore the mechanism of its formation in carbohydrate-rich foods. Carbohydra...

With the global population expected to reach 10 billion in the next 30 years, the demand for food is projected to increase by 70%, putting immense pressure on agricultural land and resources. Traditional protein sources, such as animal products, contribute significantly to environmental degradation, including high greenhouse gas emissions and defor...

This review explores the potential of ferulic acid as a crosslinking agent in the development of biopolymer‐based packaging films. Ferulic acid, a phenolic compound found in various natural sources, exhibits strong antioxidant properties and the ability to enhance the mechanical strength and barrier properties of biopolymer films. The review covers...

Mango processing generates a lot of waste, including mango peels (MPs). Therefore, in this work, for valorization purposes, the MPs were pretreated with steam blanching and dried with a tray and vacuum drier, followed by ultrasound‐assisted extraction to recover the bioactive compounds. During drying, the moisture diffusivity and energy consumption...

Centella asiatica is a medicinal plant rich in bioactive compounds with potential health benefits. However, its processing conditions significantly influence the retention of these compounds. Therefore, this study investigated the effect of microwave pretreatment on the drying, extraction, and encapsulation of Centella asiatica bioactive compounds....

A robust immune system is essential for maintaining good health. The characteristics of a robust immune system is to safeguard the body against invasion of outer microscopic materials and subsequent infection. Food ingredients have long been acknowledged to play a crucial role in the growth and development of the human body, providing protective fu...

Nowadays, the food industry is prioritizing many innovative processing technologies that can produce minimally processed foods with superior and higher quality, lower costs, and faster operations. Among these advancements, cold plasma (CP) processing stands out for its remarkable capabilities in food preservation and extending the shelf life. Beyon...

The current study aimed to modify pea protein isolate (PPI) and soy protein isolate (SPI) using Cold Plasma (CP) and to assess the impact of this treatment on protein functionalities. These modified isolates were used to prepare plant-based noodles (PBNs) using a noodle-making machine. SPI and PPI powder were treated at 30 kV (4 and 6 min) and thei...

Giloy plant offers notable health advantages due to its abundant bioactive components. The encapsulation technique demonstrated significant potential in maintaining/enhancing such compounds’ stability and nutraceutical properties. Thus, this study is aimed at obtaining an optimized composition of wall materials for microencapsulation of giloy stem...

Drying is one of the most commonly employed preservation techniques for medicinal plants, significantly influencing their physicochemical and functional properties. This review investigates the impact of various drying methods on the chemical composition, bioactive compounds, antioxidant activity, and overall quality of medicinal plants. These chan...

Giloy (Tinospora cordifolia) is a medicinal plant rich in bioactive compounds known for their diverse health benefits. This study examined the nutritional value and biological activity of giloy stems and leaves. Hence, giloy stem (GSE), and leaf extract (GLE) was extracted using green extraction technology, ultrasound, and screening secondary metab...

Dielectric barrier discharge (DBD)-based atmospheric cold plasma (ACP) technology is an emerging non-thermal approach for fruit juice processing. Therefore, the present investigation involved the application of DBD-ACP to orange juice (cv. Malta), with a range of parameters being examined, including sample depth (2–4 mm), voltage (16–20 kV), and tr...

This study examined the quality changes and shelf life of cold plasma (Cold plasma-optimized, S2: 30 kV/5 mm/6.7 min and Cold plasma-extreme, S3: 30 kV/2 mm/10 min) and thermally-treated (S4: 90°C/5 min) kiwifruit juice packed in glass and polyethylene terephthalate bottles stored at 5, 15, and 25°C. Cold plasma and thermally treated juice samples...

Taro is a tropical plant and an underutilized root crop that has a good source of carbohydrate. Taro tuber contains 70%–80% of starch on dry basis. This review highlights the extraction of taro starch, latest advancements in the modification such as physical, chemical and enzymatic modification of taro starch. Furthermore, after modification of tar...

Cold Plasma (CP) is an innovative non-thermal technique that maintains the quality of foods. The kinetics of natural microbiota viz. aerobic mesophiles (AM) and yeasts & molds (YM) were examined within the domain of 18–30 kV, 2–10 mm juice depth, and 0–4 min treatment time. A log reduction of 3.08 and 2.32 was achieved for AM and YM, respectively,...

A comprehensive analysis of the latest developments in formalin detection technologies is presented in this review, assessing their precision, sensitivity, and applicability in various contexts. This article examines the advancement of affordable, easily transportable technologies that have enhanced the availability of real-time monitoring of forma...

Modern cancer diagnostics and treatment options have greatly improved survival rates; the illness remains a major cause of mortality worldwide. Current treatments for cancer, such as chemotherapy, is not cancer-specific and may cause harm to healthy cells; therefore, it is imperative that new drugs for cancer be developed that are both safe and eff...

This study aimed to compare the untreated, cold plasma (CP)‐optimized (30 kV/5 mm/6.7 min), CP‐extreme (30 kV/2 mm/10 min), and thermally treated (TT) (90 ℃/5 min) kiwifruit juices based on the physicochemical (pH, total soluble solids (TSS), titratable acidity (TA), total color change (ΔE)), physical (particle size and rheology), microstructure (o...

Emerging Methods for Oil Extraction from Food Processing Waste is a comprehensive and cutting-edge exploration of sustainable oil extraction practices, catering to professionals and researchers in food science. The book, spanning 13 insightful chapters, intricately reviews the extraction of oil from food processing by-products, including pomace and...

A variety of variables influence food texture, two of which are gelation and emulsification. Protein interactions have an important role in influencing gelation and emulsifying properties. The utilization of plant proteins in the development of food systems is a prominent subject within the current protein transition paradigm. Plant proteins dimini...

The increasing global awareness of environmental sustainability and the urgent need to reduce plastic waste have driven significant interest in the valorization of agricultural by-products. This study explores the potential of fruit and vegetable waste and by-products valorization using green and novel technology such as supercritical, microwave, u...

The present study examined the impact of dielectric barrier discharge cold plasma treatment on the physicochemical characteristics of taro peel starch (TPS) and its films. This work reports for the first time on using native and modified TPS in the casting procedure to develop packaging films. The results showed that, as plasma exposure voltage and...

Enzymes have been a part of human society from prehistoric times, even before history was written. Numerous tradi- tional foods, including bread, cheese, wine, and beer, have been prepared with the help of enzymes (Verma et al., 2018). The modern period makes extensive use of enzymes, particularly in the food processing industry, in order to pro- d...

Packaging plays a crucial role in maintaining the quality and shelf life of processed citrus juice and products. The packaging material and design must be carefully chosen to ensure protection from external factors such as oxygen, moisture, light, and microorganisms. This chapter provides an overview of the different packaging materials available f...

Centella asiatica L. (CA) has garnered substantial attention in both commercial and research domains due to its bioactive compounds, imparting notable functional properties such as antioxidant activity. However, for enhanced shelf life and suitability in food and pharmaceutical applications, proper drying is imperative before utilization. Thus, thi...

This study presents the comparative analysis of untreated, optimized non-thermal plasma (NTP)–treated (38 kV/631 s), extreme NTP–treated (45 kV/900 s), and thermally treated (95 ℃/12 min) pineapple juice (PJ) on enzyme activity, microbial count, protein structure, particle size, bioactive substances and, sensory, rheological, and biochemical attrib...

Cold Plasma (CP) is an emerging non‐thermal technology that preserves and decontaminates food. Kiwifruit juice spoilage enzymes polyphenol oxidase (PPO) and peroxidase (POD) were studied at 24‐36 kV, 2‐10 mm juice depth, and 2‐10 min treatment time using log‐linear, Weibull distribution, and logistic models. The Weibull and logistic model explained...

Recently, the discovery of active components of the Tinospora cordifolia plant and their biological function in disease control has piqued the curiosity of scientists all over the world. As a result, the current study sought to assess the nutritional and biological efficacy of T. cordifolia stem. The proximate composition, mineral profile, total ph...

Starch is a crucial part of the human dietary regimen. Still, its restricted water solubility, low viscosity, and weak heat stability are unfavorable physicochemical characteristics that restrict its use in food applications. So, in the 21st century, green and novel technologies such as cold plasma technology (CPT) and plasma‐activated water (PAW)...

In the last decade, the contribution of non-thermal technology for providing safe and nutritious food has increased. Therefore, food scientists have put effort into developing and applying non-thermal technology to meet the ever-increasing demand for healthy food. The cold plasma is an emerging non-thermal technology for food processing that uses e...

BACKGROUND Betel leaf is an essential oil (EO)‐rich plant from the Piperaceace family used as traditional herbal medicine. The minimum EO yield by the conventional extraction method was increased by adopting cold plasma (CP) as pretreatment. Thus, the present study involved optimizing the CP conditions and analyzing the EO's qualities. RESULTS Opt...

This research helps to develop a novel and economical method for improving the extraction efficiency of oil and fully valorizing guava fruit processing industrial waste into biomaterial. Dielectric barrier discharge atmospheric (DBDA) plasma is a novel non‐thermal technology that has been widely used in the food processing field of research. In thi...

Forward feed multilayered perception and central composite rotatable design were used to model the nonthermal plasma (NTP) experimental data in artificial neural network (ANN) and response surface methodology, respectively. The ANN was found to be more accurate in modeling the experimental dataset. The NTP process parameters (voltage and time) were...

The goal of the proposed study is to investigate the effects of three different power levels (30, 32 and 34 kV) and exposure time (2, 4 and 8 min) of dielectric barrier discharge (DBD) atmospheric cold plasma treatment on the functional and physicochemical characteristics of taro starch. Investigations were done into how different treatments impact...

Consumers worldwide want to improve their diets by consuming nutritional and eco‐friendly products in their food. The demand for plant‐based meat analogues (PBMA) has increased due to the adverse effects on animals, people, and the environment. ‘Meat analogue’ means to use a substitute for meat as the primary element. The rising desire for ‘good fo...

The nonthermal plasma (NTP) technology is a promising nonthermal technology that can be employed for pasteurization of fruit juice. The effect of NTP on the natural microbiota, namely, aerobic mesophiles (AM), and yeasts and molds (YM) in pineapple juice were examined in the experimental range of 25–45 kV up to 10 min treatment time. At an applied...

Heat moisture treatment (HMT) was used to improve the functionalities of elephant foot yam starch (EFYS) by using selected heating techniques such as hot air oven (HAO), autoclave (AL), and microwave (MW). The swelling power and solubility were reduced significantly after HMT modification, whereas an increase in amylose content was detectable after...

Cold plasma (CP) is an emerging non-thermal processing technology with the potential to increase product longevity without compromising food quality or safety. The value of plant proteins has been recognized in the past few years. The increasing sustainability and environmental friendliness of plant proteins have propelled the market. The need for...

Because of the positive effects that probiotics have on human health, their use in pharmaceutical formulations and the development of functional foods have become increasingly widespread. The use of functional foods, such as probiotic foods, has become a mainstream trend in modern dietetics. To be effective, the health benefits of probiotic foods r...

Centella asiatica L. (CA) is a medicinal plant that gained significant commercial and research interest because of its bioactive compounds, which have functional properties such as antioxidant activity. However, it must be dried before use to improve its shelf life and prepare it for food and pharmaceutical applications. Therefore, in this investig...

Citation: Shahane, K.; Kshirsagar, M.; Tambe, S.; Jain, D.; Rout, S.; Ferreira, M.K.M.; Mali, S.; Amin, P.; Srivastav, P.P.; Cruz, J.; et al. An Updated Review on the Multifaceted Therapeutic Potential of Calendula officinalis L.. Pharmaceuticals 2023, 16, 611. https://doi. Abstract: Calendula officinalis Linn. (CO) is a popular medicinal plant fro...

In the current study, agro-industrial waste (banana peels and de-oiled groundnut cake) was valorised through submerged fermentation employing Calocybe indica. The fermented agro-waste revealed an increase in Ergosta-compounds, (3.57%), which include Ergosta-5,7,9(11),22-tetraen-3-ol,(3.beta.,22E)- (1.87%), Ergosta-5,7,22-trien-3-ol,(3.beta.,22e)- (...

Cold plasma treatment of kiwifruit juice was studied in the domain of 18–30 kV of voltage, 2–6 mm of juice depth, and 6–10 min of treatment time using the response surface methodology (RSM). The experimental design utilized was a central composite rotatable design. The effect of voltage, juice depth, and treatment time on the various responses, nam...

Liposomes containing Centella asiatica leaf extract (CALE) were encapsulated in soy lecithin and stigmasterol. The impact of wall materials on encapsulation efficacy, particle size, and zeta potential was investigated. In addition, FTIR and SEM analyses were conducted to study the chemical structure and shape of the final particles. In addition to...

Radio frequency (RF) is a promising thermal-processing technology for food applications because of its related rapid heating, larger penetration depth, and lower consumption of energy. This chapter deals with the various applications of RF processing associated with food industries. RF has been effectively used in industries for drying, baking, tha...

Betel leaf (Piper betle L.) is a rich source of nutrients which attracts attention. Betel leaves utilized in various form like extract, ex-tract oil and essential oil which contains 20 to 60 major and minor chemical compounds like eugenol (48.41%), estragole (16.12%),α-copaene (6.43%), anethol (2.62%) and eucalyptol (1.58%). This oil has been repor...

The purpose of this study was to investigate the impact of cold plasma-assisted microwave treatment (CPAMW) on betel leaves powder essential oil (BLP-EO) extraction by hydro distillation and microwave process optimization. Microwave power (630–810 W), treatment time (60–120 s), and extraction duration (50–100 min) were selected to maximize EO yield...

In this study, a soybean aqueous extract-based composite film was developed by incorporating beeswax, clove essential oil, and span-20 via ultrasonication. The effect of ultrasonication power level (0–600 W) on the rheological properties of the film forming solution (FFS) and important film properties such as water vapor permeability, tensile stren...

Gulancha “Tinospora cordifolia” commonly known as “heart live moonseed” is a medicinal climbing shrub and the whole plant can be used for pharmaceutical purpose. Dahi is mixed with Gulancha extract to improve medicinal value and to cure some diseases viz., fever, diabetes, dyspepsia, jaundice, urinary problems, skin diseases, chronic diarrhea and d...

Food packaging is an important area of food research due to its prime role in the protection and containment of foodstuffs. Traditionally petroleum-derived polymers fulfill the lion's share of packaging material requirements. However, present-day consumers are more concerned about the environmental impact and health hazards of these synthetic polym...

The hydrolysable tannins from pomegranate peel have been known to exert several health benefits, majorly anti-diabetic properties. The study identified polyphenols present in pomegranate peel hydrolysable tannin (PPHT) and examined their physical stability at varying pH (2.0 – 8.0) and temperatures (4, 20 and 40 ˚C). PPHT showed stability at acidic...