Does cooking destroy the collagen in Yagen cartilage?

Brief high-heat grilling preserves the structural integrity of Type II collagen, whereas prolonged boiling converts it into gelatin, which has a different amino acid absorption profile.

加熱でコラーゲンは壊れますか？

短時間の焼き調理では構造が保たれますが、長時間の煮込みではゼラチン状に変化し、体内での吸収経路が変わります。

การปรุงอาหารทำลายคอลลาเจนในกระดูกอ่อนไหม?

การย่างด้วยความร้อนสูงช่วงสั้นๆ ช่วยรักษาโครงสร้างคอลลาเจนชนิดที่ 2 ได้ดี แต่การต้มเคี่ยวนานๆ จะเปลี่ยนคอลลาเจนเป็นเจลาตินซึ่งมีการดูดซึมที่ต่างออกไป

Chicken Keel Cartilageヤゲン軟骨 · Yagen Nankotsu · กระดูกอ่อนอกไก่

Yagen nankotsu is a primary source of undenatured Type II collagen and glycosaminoglycans, including chondroitin sulfate and glucosamine, which are critical for the maintenance of articular cartilage and synovial fluid viscosity. Its low lipid profile and high bioavailability of minerals like calcium support long-term skeletal density and joint metabolic health.

Overview

A specialized V-shaped cartilage from the chicken sternum, providing a concentrated source of Type II collagen and minerals with minimal fat.

Standard portion: 100 g
Approx. 54 kcal per serving

Food noteShow details

[Image comparing chicken keel bone to a traditional Japanese 'Yagen' herbal mortar] This anatomical part is the terminal portion of the sternum
Named for its resemblance to a traditional Japanese herbal mortar (Yagen). It is prized in clinical nutrition for providing structural proteins without the caloric burden associated with adipose-heavy meat cuts.

IngredientsShow details

Chicken Keel Cartilage

Serving guidanceShow details

Best with

Lemon
Black pepper
Sake

Use caution with

High purine diets
Excessive sodium

Pros & consShow details

Pros

High collagen type II density
Ultra-low calorie
Supports joint lubrication

Cons

Hard mechanical texture
High purine content (gout risk)
Perishable

Calorie comparisonShow details

Calories, protein, carbs, and fat (PCF) by serving unit.
Serving	Calories	Protein (P)	Fat (F)
1 serve100 g	54 kcal	12.5 g	0.4 g
Per 50 g50 g	27 kcal	6.25 g	0.2 g
Per 100 g100 g	54 kcal	12.5 g	0.4 g
Per 150 g150 g	81 kcal	18.75 g	0.6 g
Per 200 g200 g	108 kcal	25 g	0.8 g
Per 250 g250 g	135 kcal	31.25 g	1 g

Serving size calculator

Amount (g)

Nutrition facts label

Amount: 100 gLabel serving size: 100 g

Calories54 kcal

NutrientAdult % DV

Nutrition facts for selected amount
Nutrient	Amount · Adult % DV
Protein	12.5 g25% of adult daily value
Net Carbs	0 g0% of adult daily value
Fat	0.4 g0.5% of adult daily value
Fiber	—
Sodium	40 mg1.7% of adult daily value
Total Carbs	0 g0% of adult daily value
Sugar	—
Calcium	47 mg3.6% of adult daily value
Phosphorus	25 mg2% of adult daily value
Magnesium	5 mg1.2% of adult daily value
Iron	0.2 mg1.1% of adult daily value
Zinc	0.3 mg2.7% of adult daily value
Potassium	15 mg0.3% of adult daily value
Totalcarbohydrate	0 g
Totalcarbs	0 g

Percent daily values are based on standard adult recommended intake.

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