When the silkworm chrysalis is just pupated, its body color is light yellow, the pupa is tender and soft, and it will gradually turn yellow, brown or brown, and the pupa skin will become hard. After about 12 to 15 days, when the pupa body becomes soft again and the pupa skin is a little shriveled and brown cocoon color, it will become a moth.
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Edible taboos of silkworm chrysalis
1, raw silkworm chrysalis cannot be eaten, let alone eaten raw or cold.
2. Silkworm pupae are not fresh, discolored, black, pink, hemp or spicy, so they are inedible.
3. Silkworm pupa has peculiar smell and foul smell, so it can't be eaten.
4. Silkworm pupae with cold weather for more than a week and hot weather for more than 20 hours should not be eaten.
5. People who have a history of food allergy such as fish and shrimp should not eat it.
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Correct cleaning method of silkworm chrysalis
First soak in warm water for 30 minutes, then add a little salt to the water and soak for another 30 minutes.
Never use hot water, use warm water, fresh silkworm chrysalis will always be covered with oil and can't be washed off. Because fresh silkworm chrysalis contains at least 10% oil, silkworm chrysalis contains oil both inside and outside.