<http://kakishibu-mania.com/astringent-persimmon-method-sweetening/#article>
<http://schema.org/articleSection>
"柿渋の知識, 柿渋, 柿, 柿タンニン, 渋抜き, 甘い, 苦い, 方法"
<http://kakishibu-mania.com/astringent-persimmon-method-sweetening/>