Table 4 in Gossypolhemiquinone, a dimeric sesquiterpenoid identified in cotton (Gossypium)

Table 4 Concentration (µg/mg) of gossypol (Goss) (1), hemigossypolone (HGQ) (7), heliocides H 1–4 (3–6) and gossypolhemiquinone (GHQ) (9) in freeze dried leaves of commercial cultivars (the HPLC method did not separate heliocide H 1 (3) from heliocide H 3 (6); gossypolone (2) was not detected. CultivarHGQ (7)GHQ (9)Goss (1)H1 + H3 (3, 6)H2 (5)H4 (4)Coker-3121.18nd a0.360.441.100.06FiberMax 9580.49nd0.130.250.400.07FiberMax 9661.27nd0.270.430.440.16Stoneville 4740.56nd1.920.600.760.17 a nd = not detected (limit of detection 0.05 µg/mg).表4 商业化栽培品种冻干叶片中棉酚（gossypol，Goss，编号1）、半棉酚酮（hemigossypolone，HGQ，编号7）、杀棉酚H1~H4（对应编号3~6）及棉酚半醌（gossypolhemiquinone，GHQ，编号9）的浓度（µg/mg）。注：本高效液相色谱法（HPLC）无法将杀棉酚H1（编号3）与杀棉酚H3（编号6）分离；未检测到棉酚酮（编号2）。 | 品种 | HGQ（7） | GHQ（9） | 棉酚（1） | H1+H3（3、6） | H2（5） | H4（4） | |------|---------|---------|----------|--------------|--------|--------| | Coker-312 | 1.18 | nd^a | 0.36 | 0.44 | 1.10 | 0.06 | | FiberMax 958 | 0.49 | nd | 0.13 | 0.25 | 0.40 | 0.07 | | FiberMax 966 | 1.27 | nd | 0.27 | 0.43 | 0.44 | 0.16 | | Stoneville 474 | 0.56 | nd | 1.92 | 0.60 | 0.76 | 0.17 | 注：^a 此处nd表示未检出，检测限为0.05 µg/mg。