adakka agriculture Areca Areca catechu Areca palm Arecanut Betel nut betelnut brown color drupe dry earthy farm harvest husk India karnataka Paan paan masala paan supari produce seed supari abundance availability available coconut coconut-flakes coconut-juice coconut-kernel coconut-meat coconut-milk coconut-water coconuts cooking copra drink dry-drupe edible fibrous fibrous-husk food for-sale fresh fruit fuel grated-coconut green hard-shell harvested heap home-use inner-flesh load mature natural-foods oil one-seeded-drupe palm-tree raw saturated-fat shell shredded-coconut trolley tropical-diet water-coconuts yellowing young