This article presents different food categories and elucidates different physical, chemical, and microbial factors responsible for food spoilage. Furthermore, the market economy of preserved and processed foods has been analyzed in this article.

The study shows that medicinal uses are most similar when cultures are found in similar floristic environments. The correlation between medicinal flora and floristic environment was positive and strongly significant, in contrast to the effects of shared ancestry and geographical proximity.

The processing and preparation of ethnic foods not only demonstrate the creativity and treasure of food heritage of tribal women but also their incremental learning to sustain the life and ecosystem as a whole. Looking to the diversities in ethnic foods, an attempt has been made to explore the ethnic foods made of local soybean, bamboo shoot, tree bean, lai patta (leafy mustard) and rai (Brassica juncea (Linn.) Czern. & Coss.) from different selected tribes of Northeast India.

The paper deals with 38 wild edible plants of Majuli island and Darrang districts.

The betel leaf agroforestry with diverse and structurally complex shade canopies conserve a significant portion of the original forest biodiversity. The impact of land-use change on biodiversity was studied using standard vegetation analysis and biodiversity estimation methods.

Ethnomedicinal survey of various tribes in the four districts of Sikkim reveals the use of medicinal plants. The paper records ethnomedicinal values of 36 plants species belonging to 27 families having the activities in gastrointestinal tract disorders.

This study was conducted with Adi women on Namdung plant (Perilla ocymoides). Objectives were to explore food, cultural and ethnomedicinal values of Namdung. Data were collected from 180 rural Adi women from 6 villages of East Siang district and secondary sources also.

This paper provide information regarding the uses of medicinal plants by the different tribes/communities settled in the Cachar district of Assam. Out of 107 plant species, some are being used against jaundice, diarrhoea, dysentery, cough, malarial fever, skin diseases, sexual diseases, etc.

The article highlights progress made to date and provides Indigenous viewpoints on what further steps need to be taken. Key among these steps is the need to restore and maintain Indigenous access to traditional territories and ways of life, and the requirement for mutually respectful collaboration between TK and Western science.

An ethnobotanical survey was carried out among the ethnic groups (Kani/Kanikaran) in Southern Western Ghats of India. Traditional uses of 54 plant species belonging to 26 families are described under this study.