求翻译：摘要： 果胶乙酰酯酶（Pectin acetylesterase，PAE）是果胶酯酶的一种。果胶酯酶包含果胶甲酯酶和果胶乙酰酯酶等，果胶甲酯酶（PME）作用于多聚半乳糖醛酸的半乳糖醛酸残基的C-6羧基基团，去掉甲酯，催化果胶酯酸转化为果胶酸。果胶乙酰酯酶作用于半乳糖醛酸的C-2或C-3羧基基团，使之乙酰化。脱乙酰作用影响果胶溶解度，使之更溶于水而降低果胶主链的疏水性。目前对乙酰化作用的研究较少，但已证实乙酰化作用影响果胶萃取后凝胶的形成。是什么意思？

Abstract: pectin acetyl esterase (pectin acetylesterase, pae) is a pectin esterase. Pectinesterase contains pectinesterase and pectin acetyl esterase, pectin methylesterase (pme) role in the poly-galacturonic acid, galactose, glucuronic acid residues of the c-carboxyl group to out methyl ester, cata

Summary: fruit enzyme acetyl ester (Pectin acetylesterase, PAE) is the fruit pur-enzyme. Fruit pur-enzyme contains methylparaben fruit fruit enzymes and enzyme acetyl ester, such as fruit, methyl ester (PME) role in galacto-more than the galacto-phenolic acid phenolic acid residues C - 6thcir ncyi c

Summary: the effect of pectin esterase (Pectin acetylesterase,PAE) is a type of pectin esterase. Pectin esterase containing pectin and pectin methyl esterase acetyl esterases, pectin methyl esterase (PME) in poly-galacturonic acid carboxy groups of galacturonic acid residues C-6, removing methyl est