Fish
Offal
Bonito offal (heart, liver, and other viscera) is specialist cookery only—organs spoil faster than muscle and need impeccable freshness. Most retail streams discard them. Heart can be sliced and seared; liver is strong and rare. Fresh grill fish and dried katsuobushi for dashi are different products. When unsure, discard.
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Characteristics
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Traits
Nutrition and pairings
Nutrition
Typical values per 100 g edible portion. Nutrient names open the reference page.
Nutrition Facts
Per 100 g edible portion
Amount per 100 g
- Total Fat 3.29 g
- Saturated Fat 0.67 g
- Trans Fat 0 g
- Monounsaturated Fat 1.33 g
- Polyunsaturated Fat 1.29 g
- Cholesterol 208 mg
- Sodium 78.5 mg
- Salt 0.19 g
- Total Carbohydrate 0 g
- Dietary Fibre 0 g
- Total Sugars 0 g
- Complex / starch 0 g
- Protein 21.8 g
- Water 74.5 g
- Energy 117 kcal
- Water 74.5 g
- Protein 21.8 g
- Fat 3.29 g
- Saturated Fat 0.67 g
- Monounsaturated Fat 1.33 g
- Polyunsaturated Fat 1.29 g
- Omega-3 0.52 g
- Vitamins 5028 mg
- Vitamin A 5000 µg
- Vitamin B1 — Thiamine 0.11 mg
- Vitamin B2 — Riboflavin 0.17 mg
- Vitamin B3 — Niacin 4.48 mg
- Vitamin B5 — Pantothenic Acid 0.78 mg
- Vitamin B6 0.44 mg
- Vitamin B7 — Biotin 3.3 µg
- Vitamin B9 — Folate 13 µg
- Vitamin B12 — Cobalamin 1.2 µg
- Vitamin C 2 mg
- Vitamin D 1.6 µg
- Vitamin E 0.64 mg
- Vitamin K 0.5 µg
- Minerals 495 mg
- Major Minerals 487 mg
- Trace Minerals 8 mg
- Iron 8 mg
- Salt 0.19 g
- Cholesterol 208 mg
Vitamins
vitamin-c: 2 · vitamin-b12-cobalamin: 1.2 · vitamin-a: 5000 · vitamin-b1-thiamine: 0.11 · vitamin-b2-riboflavin: 0.17 · vitamin-b3-niacin: 4.48 · vitamin-b5-pantothenic-acid: 0.78 · vitamin-b6: 0.44 · vitamin-b7-biotin: 3.3 · vitamin-b9-folate: 13 · vitamin-d: 1.6 · vitamin-e: 0.64 · vitamin-k: 0.5 ·
Minerals
Liver concentrates vitamins A and B12 and holds more cholesterol than skeletal muscle.
History
Some coastal traditions used selected bonito organs.
Nose-to-tail chefs experimented with bonito heart from whole fish.