Ключевые слова: agriculture, areca, asia, asian, ayurveda, betal, betel, betle, botany, catechu, color, commercial, culture, environment, folk, food, forest, fresh, fruit, green, gum, health, herb, indian, ingredient, medicine, natural, nature, nut, orange, organic, oriental, outdoor, palm, park, plant, raw, rind, ripe, seed, sunlight, thai, thailand, tradition, traditional, tree, tropical, unripe, vegetable, vegetarian,