The drug is collected in summer and autumn when the fruit turns greenish-yellow, boiled in water until the exocarp becomes grayish-white in colour, halved longitudinally, and dried in the sunn.
Oil spotting (oleocellosis) was a prevalent physiological rind disorder of citrus fruits that was caused by the action of phytotoxic rind oils released from the oil cells in the flavedo.
Its exaggerated tapered shape, ability to flex up to six feet at his top and a double layered outer skin help it to counter desert storms and extreme heat.
For searing, you should use a stainless steel or cast iron pan, because they're oven safe and can maintain a high, steady heat which you need to get a really great crust.