ペントサンMeanings1nounpentosanbiochemistryBiochemistry term for polysaccharides composed of pentose sugars; used in scientific and medical contexts.ペントサンは植しょく物ぶつ細さい胞ぼう壁へきのヘミセルロースの一いっ種しゅです。Pentosan is a type of hemicellulose in plant cell walls.