eChapters

Food packaging is an essential technique for preserving food quality and minimizing food wastage. It is a scientific technique of containing food against physical, chemical and microbiological contaminants. In addition package also display the product in most appropriate manner and provide product information to the consumers while at the same time allowing convenient handling and efficient distribution. The packaging of meat and meat products are particularly important because meat is highly nutritious food and provides good medium for the growth of micro-organisms. Meat and meat products are also susceptible to bacterial growth due to their high water activity. Exposure of meat and meat products on atmospheric temperature and sunlight leads to various types of deteriorative changes. For example when cut meat surfaces exposed to ambient air provide excellent breeding grounds for most bacteria. Minced meat is even more at risk due to the large exposed surface area. Packaging provides protection of food against external and internal factors but once food gets deteriorated it can not be controlled by packaging. For this reason rigorous hygiene in all processing and pre-packaging steps is vital for packaging of perishable food items like meat and meat products.

From the earliest time, man had to conserve and preserve his food, so that surplus at harvest following a successful crop can be stored for use throughout the year. Prime agricultural products in general and more so with fruits and vegetables which are being processed world wide or preserved to a more stable form so that they can withstand transport, handling and storage over a long period. As civilization developed, man learnt to preserve fruit and vegetable products with salt, spices and by drying , smoking or cooling which could extend their shelf life. Later by experience, he learnt that by protecting it from environmental factors such as air, moisture and light, the shelf life of these processed products could be further increased. He tried to keep them dry and covered to protect from insects and rodents. As with solid foods, primitive man experimented with beverages also. It is likely that the first beverage known to him after water was fruit juice. This undoubtedly led to the discovery of wines made from the fermented fruit juices. Later on, preservation methods and development of packaging materials underwent drastic changes.

The packaging requirements for food products are as varied as the foods themselves, with each category necessitating unique materials and design considerations to ensure product quality, safety, and consumer satisfaction. Packaging serves as the first line of defense against environmental factors like moisture, light, oxygen, and microbial contamination, which can significantly impact food stability and shelf life. The role of packaging extends beyond mere protection; it also contributes to preserving texture, flavor, and nutritional value, making it a crucial factor in the overall success of a food product. Chapter 10 delves into the specialized needs of different food types—such as bread and bakery items, snacks, dairy products, coffee, and carbonated beverages—analyzing the packaging materials, structural designs, and technologies required to maintain product integrity. The food industry faces the complex challenge of balancing protective packaging with considerations for sustainability, consumer convenience, and regulatory compliance. This has led to the evolution of advanced

The packaging requirements for food products go beyond mere containment. Effective packaging must serve multiple functions, such as protecting food from physical and environmental hazards, providing convenience to consumers, and acting as a medium for communication and branding. Each requirement is essential to ensure food quality, safety, and longevity, as well as to meet consumer expectations and regulatory standards. As food products vary in their characteristics and shelf-life requirements, packaging must be tailored to suit these specific needs while also considering factors like transportation, storage, and market positioning. This chapter delves into the fundamental requirements of food packaging, examining the functional roles that packaging plays across various product categories. By understanding these requirements and functions, we can appreciate the complexity of designing effective food packaging that fulfills multiple roles in the modern food supply chain

12.1 Active Packaging: Types, Mechanisms, and Applications • Antimicrobial Packaging: This type contains substances such as organic acids, enzymes, or metals like silver nanoparticles to prevent microbial growth, thus prolonging shelf life ( Ma, Q et al .2021) • Oxygen Scavengers: These absorb oxygen to minimize oxidation and spoilage, often used in snacks, baked goods, and meats. • Moisture Control: Packaging features absorbent materials or humidity regulating films to keep moisture levels optimal, particularly in fresh produce. • Ethylene Scavengers: These helps slow down the ripening process in fruits and vegetables by reducing ethylene gas levels. • CO? Emitters: These generate carbon dioxide to inhibit microbial growth, particularly useful in certain food products (Yildirim et al., 2018) 12.2 Mechanis

Packaging, hardening, storage, and shipping are essential final stages that protect ice cream quality after manufacturing. This chapter explains the role of packaging in protecting products from moisture loss, contamination, physical damage, and environmental exposure. It examines hardening technologies, including rapid-hardening systems, tunnels, spiral systems, and other industrial arrangements. The chapter also discusses bundling, shrink wrapping, palletizing, frozen storage, distribution models, and cold-chain requirements under Indian conditions. Temperature control throughout the distribution system is emphasized because fluctuations can cause recrystallization, texture deterioration, shrinkage, and other defects. The chapter provides practical guidance for maintaining product integrity from filling through storage and final delivery.

Packaging is an important consideration in vegetable and fruit market. The use of properly designed containers for transporting and marketing of vegetables is significantly reduce losses and maintain their freshness succulence and quality for longer period. Packaging also provides protection from mechanical damage and undesirable physiological changes and pathological deterioration during storage, transportation and marketing.

Many vegetables are transported in gunny bags and bamboo baskets. Packaging material such as polythene films, paper boars, and boxes lived with polythene and other materials can effectively prolong the shelf life of vegetables. By using plastic films vegetables can be protected from dry air. Polythene packaging provides modified atmosphere and consequently reduces decay, softening, and loss of solids. The thickness and permeability to CO₂, O₂ and water vapour of films needs to be standardized for each vegetable.

1. Introduction

Packaging is the integral part and cornerstone of food processing industry. The development of food processing industry goes hand in hand with advancement of packaging technology. Packaging Institute International has defined packaging as “enclosure of products, items or packages in a wrapped pouch, bag, box, cup, tray, can, tube, bottle or other container form to perform one or more of the following functions: containment, protection, preservation, communication, utility and performance”. Lockhart has defined packaging as “a socio-scientific discipline that operates in society to ensure the delivery of goods to the ultimate consumer of those goods in the best condition intended for their use”. Food packaging technology has came a long way from use of anything in hand for wrapping up a product to becoming a key element in product development and design.

Various systems were developed to take produce from field to consumer and selection of a particular method depends on several factors, including perishability and value of crop.  One method is to harvest the crop and take it to a packhouse for various unit operations like grading, cleaning, post-grading treatments, and packing for transport and marketing. When deciding upon where to locate a packinghouse, access to field and market point, adequate space for vehicles to enter and leave  packinghouse and ease of access to labor will all be considered.
 
In the simplest packinghouse, produce is delivered in picking containers, immediately after harvest, directly to packers.  Packers then sort, grade, size and pack the produce directly into appropriate transport containers. In this case, each worker must be aware of produce defects, grade and size requirements, and packing methods.

3.1. Introduction

Paper and paper-based packaging is the traditional form of packaging used for various food products due to its various advantageous characteristics. It is less expensive, flexible, lightweight, durable, recyclable and available in various shapes, sizes and colour to meet customer needs. Hence it occupies a vast market in food packaging from primary (i.e., packaging which is first used after manufacture) to secondary (i.e. processing aids of primary packages) packaging and the production of paper has doubled in the last three decades. In the year 2020, china was the leading producer for paper and paper based packaging followed by USA and Japan (Figure 1).

Introduction

Military personnel’s are deployed for operation in adverse climatic conditions like desert, cold (arctic) and high altitude regions. Stressful and challenging living conditions have affected the outcome of many battles, campaigns and wars. Acclimatization to the environmental condition is a very essential stage of deployment. The time for acclimatization is restricted/limited for the effective operation towards the purpose of deployment. The performance of the military personnel in various deployed regions depends on the nutrition provided by the food consumed. The operational rations are designed to provide the essential nutrition to enhance their performance during training and/or operational situations.

Nutrition requirement of military personnel is different from that of the civilians. The nutrition requirement also varies with the kind (sedentary or continuous work) and region (plain, desert or high altitude) of deployment. The environmental stress caused by extreme heat, cold, etc. also influences the nutrient requirement/ intake. The insufficient dietary nutrient intake affects the immune function, pace of recovery from illness and injury and also the physical performance (Tharion et al., 2005).

The operational ration is also designed in such a way that it provides to the military personnel the required nutrition from the build in nutrition reserves during certain operational situations. Considering the vital criteria for nutritional requirement, the menu for the military personnel is designed. The chapter discusses the past, present and future of the army operational ration (AOR) in various countries of the world and the influence of advances in food processing methods in AOR menu.

1. Introduction

Milk is a source of abundant nutrition has been a vital part of human civilization since prehistoric times. However, because of its perishable nature, it requires immediate processing to improve the shelf life and safe consumption .With the advancement of processing techniques in dairy and food processing, there is a widespread option being utilized to improve the milk shelf life byeither thermal technologies (pasteurization, sterilization, and ultra-high temperature) or nonthermal technologies (high pressure processing, high pressure homogenization, pulse electric field and ultra sonication). Still, pasteurization and sterilization are the two foremost process is used for milk industries. Pasteurization is the thermal inactivation of microorganisms at temperatures below100°C that enhance the safety and quality of milk and milk products and extends the shelf life to an extent. 

Abstract

Issues regarding intellectual property rights and their protection are heralded nowadays in the scientific arena both in developed and developing countries. IPR is being given greater attention and importance due to the projected idea that it is a dependable means through which greater skills and knowledge can be utilised to serve as a reliable resource for the upliftment of the economy as well as knowledge dissemination. In context of microorganisms, India does not allow patenting of microbes whichalready exists in nature assuch but genetically modified version of the same microorganism with enhanced and improved efficacy can be patented. The deposition of microorganisms in a culture collection recognized as an international depository authority (IDA) is necessary if intellectual property rights regarding these microbes are to be claimed. An action plan for developing countries towards creating IDAs and preserving the natural gene pool has been evolved. It is likely that IDAs will transform into ‘biological resource centres’ and further into‘global common genetic resources’, with an internationally agreed legal basis for benefit sharing. This chapter is an effort to highlight the genesis of patenting and legalities of patenting microorganism in India.

Abstract

Consumer now-a-days relies on manufacturing and processing standards, particularly to know what ingredients are present, due to dietary, nutritional requirements, or medical conditions (e.g., diabetes orallergies). Modified PCR and combination of PCR with other analytical tools have been successfully used for analysis of various parameters related to functional foods such as detection and quantification of beneficial as well as food borne pathogenic microorganisms, food allergens, raw material source, bioactive compounds, genetically modified foods. Multiplex PCR method has been found to be an efficient tool for simple, rapid, and reliable identification of Lactobacillus and Bifidobacterium in probiotic products. Food allergens like gluten, peanut, hazelnut etc. could be easily detected in foods using PCR, even if present in small quantities. BOX-PCR and PCR-DGGE analysis have been used for identification of bacterial diversity of a naturally fermented functional food (Enzyme). HPLC combined with real time -PCR were successfully used to quantify and analyse compounds of secondary metabolites like phenylpropanoid amides, which represent an important class of nutraceutical having strong antioxidant and chemotherapeutic effects in various transgenic tomato tissues. Detection of active compounds in natural plant products were successfully achieved using PCR techniques. In general PCR have gained more importance as it has high sensitivity, improved precision, wide dynamic range for quantification, genotype based and is quick method of detection and quality control of foods than traditional culture based methods.

1. Introduction

Pectin is a polysaccharide present in the middle lamella of plant cell walls. The firmness and structure of the plant tissue are attributed to the presence of pectin in the middle lamella. The insoluble form of pectin is called protopectin and the soluble form is called soluble pectin (Kertez, 1951). Protopectin is abundant in green fruits and contributes to hardness of cell, where as soluble pectin is responsible for viscous nature of juice and pulp. Conversion of protopectin to soluble pectin results in loosening of the bonds between the cells and softening of the fruit tissues. Protopectin is reported to be hydrolyzed to pectin by enzyme action during ripening. Protopectin on restricted hydrolysis yields pectin or pectinic acid. Braconnot (1825) discovered pectin as the gelatinous principle of fruits.

A white to light brown powder, is a heteropolysaccharide derived from the cell wall of higher terrestrial plants. It is mainly used in food as a gelling agent in jams and jellies. Today it is also used in fillings, sweets, as a stabiliser in fruit juices and milk drinks and as a source of dietary fiber in foods. Pectin is a heterogeneous grouping of acidic structural polysaccharides, found in fruit and vegetables and mainly prepared from ‘waste’ citrus peel and apple pomace. Pectin has a complex structure. Preparations consist of sub-structural entities that depend on their source and extraction methodology. Commercial extraction causes extensive degradation of the neutral sugar-containing side chains.

Pectin was first isolated and described in 1825 by Henri Braconnot, though the action of pectin to make jams and marmalades was known long before. To obtain well set jams from fruits that had little or only poor quality pectin, pectin-rich fruits or their extracts were mixed into the recipe. During industrialization, the makers of fruit preserves soon turned to producers of apple juice to obtain dried apple pomace that was then cooked to extract pectin. Later, in the 1920s and 1930s, factories were built that commercially extracted pectin from dried apple-pomace and later citrus-peel in regions that produced apple juice in both the USA and in Europe. At first pectin was sold as a liquid extract, but nowadays pectin is often used as dried powder that is easier to store and handle than a liquid

1. Peeling: It is one of the integral parts of a food processing, and most agri-cultural crops need to be peeled to remove at the initial stage of food processing Peeling removes inedible portion (peel, seeds, and stalk) of fruits and vegetables. However, the susceptibility to spoilage increases due to acceleration of physiological process and the exposure of the tissues to microorganisms. The shelf-life and quality of fresh-cu produces could be compromised with the peeling.
The goals of optimum peeling operation are i. Minimizing product losses, ii. Types of products e.g., potato products, iii. Minimizing heat ring formation e.g., apple, potato, iv. Minimizing energy and chemical usage, v. Minimizing the environmental pollution.
Peeling operation can be grouped under following categories: Manual peeling (knife or blade), Mechanical peeling (abrasive devices, devices with drums, rollers, knives or blades and milling cutters), Chemical peeling, Enzymatic peeling, and Thermal peeling (Flame or dry heat peeling, steam or wet heat peeling, thermal blast peeling, and vapour explosion or vacuum peeling.

Introduction

Irrigated agriculture plays a predominant role in the state’s food grain production. Erratic trend of rainfall, it has been realized that the availability of water will become very less in forthcoming days as a result cultivation of crops will face water crisis. Development of new water resources needs excessive money investment with high level of expertise and technical knowhow. The ground water is also falling down to greater and greater depth due to overdraft causing for the restriction of the construction of tube wells. Further the efficiency of traditional irrigation system in India is now varying from 30% to 40% against 62 to 65% during the project plan periodbecause of wastage of this valuable water resource due to mismanagement. To meet the increasing demand for additional food grain production, the demand for water in the irrigation sector will increase substantially. In such a situation conservation of water and its proper management is necessary for developing a sustainable agricultural system avoiding the degradation of the land quality, water and other natural resources in an irrigated area.

Introduction

In the era of communication and information, each one of us should have access to information as per our choice, interest, priority, need and requirement. We all are playing different role in different walk of life in different capacity, for different professions, avocations, duties and responsibilities as well. To internalize any concept or idea, a perceptual clarity is very much necessary for interweaving it in our experiential textures. This is possible when more and more number of sensory organs are engaged in a learning situation irrespective of the subject or content to learn. In 21 Century with the advancement of science and technology, more particularly, Information and Communication Technology (ICT), it is possible to establish the connectivity on e-mode and do the things on virtual mode to the possible extent. It is quite possible in urban set up with proper infrastructural facilities both at the source as well as at the receiver end, without any distortion of message on account of electricity failure or wrongful handling of computer or any gadget for that matter.

Introduction

The term pesticide refers to any chemical or mixture of chemicals intended for preventing, attracting, repelling, controlling or regulating a pest, including unwanted species of plants and animals during the production, shipment, transit, storage, processing or distribution of any food or agricultural commodity. The term includes compounds classified as insecticides, fungicides, herbicides, accaricides, rodenticides, plant growth regulators, sprouting inhibitors, chemosterilants, desiccants etc. The term excludes substances like animal drugs and food additives. Pesticides are chemicals used to destroy or control weeds, insects or other pests. The term pesticide residue refers to the remnants of the pesticide after weathering and it consists of the parent molecule and the degradation products which are toxicologically significant. In general, the pesticides, by virtue of their inherent toxic nature are recommended to be used as per Good Agricultural Practices (GAP) only. If GAP is not followed, contamination of the produce with the residues may pose significant health risk to consumers, non target organisms, biota and environment as a whole. When a pesticide is used for pest control purposes, they may reside in the form of metabolites.

Pesticide residues occur as the leftover of any pesticide after its application for pest control and it includes the parent compound and its toxic metabolites. Pesticide residue analysis may be defined as qualitative and quantitative analysis of samples drawn from agricultural field, market and environment for pesticides and toxic metabolites. Pesticide residues are invariably present in micro – quantities and generally estimated at ppm/ ppb levels. After application of the diluted spray solution, they are present at sub microgram levels in the substrate and hence their estimation at ppm or ppb levels is very cumbersome and need to be performed with utmost care. Moreover, the residue data generated should be accurate, reliable and reproducible. The level of residue in any edible commodity has to be below their prescribed maximum residue limits (MRL) value for market acceptance and below maximum permissible intake (MPI) for safety to consumers. Pesticide residue data are mainly utilised by regulatory authorities for estimation of MRLs and for assessing impact on human health and environment, particularly their adverse effect on non-target organisms. The detection of the pesticide residues must be confirmed beyond doubt and confirmation by GC-MS/MS or LC-MS/MS is generally acceptable. Since pesticide residues include parent compounds, isomers and toxic metabolites, appropriate methods of detection should be selected so that all the components are measured separately. Environmental samples/ market usually contain residues of large number of pesticides, for which multi residue methods are required for estimation/screening of such samples.