These foods can be scraped with oil.

Fish: salmon, shrimp, hairtail, chicken breast, beef and duck.

Vegetables: kelp, cucumber, bitter gourd, lettuce, spinach, broccoli.

Desserts: tremella, bird's nest, coix seed, black sesame, yam and red beans.

Drinks: green tea, Pu 'er tea, black coffee, chrysanthemum tea, bitter gourd juice, cucumber juice.