No. The formula of the roast duck is: salt 10 kg, monosodium glutamate 400 g, chicken essence 100 g, sugar 50 g, ethyl maltol 200 g, groundsel powder 30 g, fragrant leaves 30 g, vanilla powder 30 g, pepper 40 g, yellow wine 100 g, and soup stock. The base material formula of maocai is: 5 kg of dried pepper, 2 kg of pepper 1 kg, spices (35g of Amomum villosum, 30g of cardamom, 20g of clove 1 5g, 20g of cinnamon, 25g of Amomum tsaoko, 30g of angelica dahurica and 25g of dried tangerine peel), 2 kg of scallion, and ginger slices 1 kg.