Aromatic and medicinal plants produce essential oils in the form of secondary metabolites.
These essential oils can be used in diverse applications in food, perfume, and cosmetic …

Research into the insecticidal effects of azadirachtin, a limonoid from the Indian Neem tree,
Azadirachta indica, has been ongoing for some 30 years. Its strong antifeedant, insect …

This review described the physiological and biochemical effects of various secondary
metabolites from Meliaceae against major Lepidopteran insect pest including, Noctuidae …

Monoterpenoids (terpenes and biogenically related phenols) commonly found in plant
essential oils were tested for acute toxicity via topical application to tobacco cutworms …

Many essential oils are extracted, analysed and their main components are identified,
characterised and then published without any biological testing whatsoever. Their useful …

In this chapter, essential oil (EO) sources, chemistry, extraction methods, analysis, biological
activities, applications, risks, and dangers are described in detail. Essential oils (EOs) are …

Homemade botanical insecticides are widely used by subsistence and transitional farmers
in low-income countries. Their use is often driven by the limited availability or cost of …

The toxic, repellent and feeding deterrent activities of the essential oil extracted from Evodia
rutaecarpa Hook f. et Thomas, were evaluated against Sitophilus zeamais adults and …

Limonoids are the most distinctive secondary metabolites of the plant order Rutales. Recent
work has established a wide range of biological activities for these compounds, including …

Contact and fumigant toxicities and antifeedant activity of the essential oil of cardamom,
Elletaria cardamomum, to two stored-product insects, Sitophilus zeamais and Tribolium …