Ключевые слова: agriculture, areca, asia, asian, background, bark, betel, botany, calcium, catechu, chew, chewing, chinese, close, dry, eat, food, fresh, fruit, herb, herbal, india, indian, ingredient, material, mature, medicinal, medicine, natural, nature, nut, orange, palm, peanut, plant, raw, seed, texture, thai, thailand, tradition, traditional, tree, tropical,