As temperatures drop, crabs enter their prime season, accumulating rich reserves of roe and meat in preparation for winter. Nutritionists confirm autumn crabs offer exceptional flavor and nutritional value. According to Dr. Ma Aqin from Beijing Children’s Hospital Shunyi branch, every 100 grams of crab meat contains 17.5 grams of high-quality protein and an ideal 1:1:1 balance of saturated, monounsaturated and polyunsaturated fatty acids.
“The abundant omega-3 fatty acids DHA and EPA in crab meat provide significant benefits for lipid metabolism and reducing chronic inflammation,” Dr. Ma explains. However, she emphasizes the importance of thorough cooking and moderate consumption to avoid foodborne illness and digestive discomfort.
Special Precautions for Vulnerable Groups
Medical experts identify four groups requiring special caution:
Allergy sufferers: Crab proteins may trigger severe allergic reactions through immune system activation, particularly problematic for individuals with existing allergies, skin conditions or asthma.
Gout patients: The high purine content can exacerbate symptoms, with alcohol consumption dramatically increasing risk – making the popular “crab and beer” combination particularly dangerous.
Digestive-sensitive individuals: The cold nature of crab meat may cause gastrointestinal distress for elderly, children or those with pre-existing digestive conditions.
Hyperthyroidism patients: While marine crabs contain concerning iodine levels, freshwater varieties pose less risk and may be consumed in moderation.
Selecting Premium Crabs
Dr. Ma shares professional tips for choosing the best specimens:
- Look for distinct green shells and white undersides – signs of freshness and quality
- Test vitality by observing if the crab can quickly right itself when turned over
- Check for active eye movement and bubble production – reliable indicators of live, healthy crabs
With proper selection and preparation, coupled with awareness of personal health conditions, consumers can safely enjoy this seasonal delicacy while maximizing its nutritional benefits.
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