茯苓菌核含多种成份:
三萜类:茯苓酸(pachymic acid),16α-羟基齿孔酸(tumulosic acid)3β-羟基-7.9(11),24-羊毛甾三烯-21-酸[3β-hydroxylanosta-7.9(11),24-TCMLIBien-21-oic acid],茯苓酸甲酯(pachymic acid methyl ester),16α-羟基齿孔酸甲酯(tumulosic acid methyl ester),7,9(11)-去氢茯苓酸甲酯[7,9(11)-dehydropachymic acid methyl ester],3β,16α-二羟基-7,9(11),24(31)-羊毛甾三烯-21-酸甲酯[3β,16α-dihydrox-ylanosta-7,9(11),24(31)-TCMLIBien-21-oic acid methyl ester],多孔菌酸C甲酯(polypenic acid C methyl ester),3-氢化松苓酸(TCMLIBametenloic acid),齿孔酸(eburicoic acid),去氢齿孔酸(dehy-droeburicoic acid),茯苓新酸(poricoic acid)A、B、C、D、DM、AM,β香树醇乙酸(β-羟基-16α-乙酰氧基-7,9(11),24-羊毛甾三烯-21-酸[3β-hydroxy-16α-acetylosy-lanosta-7,9(11),24-TCMLIBien-21-oic acid]及7,9(11)去氢茯苓酸[7,9(11)-dehydropachymic acid]。
多糖:茯苓聚糖(pachy-man)、茯苓次聚(Pachymaran)及高度(1,3)、(1,6)、分支的β-D-葡聚糖H11(gluan H11)。其他尚含麦角甾醇(ergo-sterol),辛酸(caprylic aid),十一烷酸(undecanoic),月桂酸(lauric acid),十二碳酸酯(dodecenoic acid),棕榈酸(palmitic acid),十二碳烯酸酯(dodecenoate),辛酸酸(caprylate)以及无机元素。