Food Processing Technology includes a set of physical, chemical or microbiological methods and techniques used to transmute raw ingredients into food and its transformation into other forms in food processing industry. Edible / biodegradable packaging for food. ... A major group of alternative and novel materials which possess future commercial potential are those derived from utilized and under-utilized food ingredients, or food grade ingredients. packaging for food. A package provides protection, tampering resistance, and special physical, chemical, or biological needs. It may bear a nutrition facts label and other information about food being offered for sale.