| Table 8 Hypoglycemic and antitumor activities of heteroglycans in REISHI | |||||||||||||||||||
| Heteroglycana | Total sugarb | Uronic acidc | Proteind | Sugar compositione | MWf | [a]D | Relative glucose level | Antitumor activityj | |||||||||||
| Dose | 0 h | 7 h | 24 hg | Dose, i.p. | Inhibition | Complete regression on day 45 | |||||||||||||
| % | % | % | Fuc | Xyl | Man | Gal | Glu | x 10-4 | (NaOH) | mg/kg i.p. | mh | m ± SEi | % | m ± SEi | % | mg/kg/days | (%) | ||
| Fa-1b | 89.8 | 9.2 | 0.8 | - | 6 | 15 | 8 | 100 | 35 | -67.4° | 100 | 100 | 78±4** | 75 | 88±2** | 87 | 20 | 20 | 0/5 |
| FA-2 | 76.3 | 14.8 | 0.9 | ± | 10 | 11 | 7 | 100 | 100 | 100 | 64±2** | 62 | 83±8* | 82 | 50 | 18 | 0/5 | ||
| FA-3 | 72.4 | 15.0 | 0.9 | - | 12 | 6 | 3 | 100 | 100 | 100 | 63±4** | 55 | 81±3* | 78 | 50 | 62 | 2/5 | ||
| FA-4 | 78.8 | 19.1 | 0.9 | 2 | 20 | 3 | 8 | 100 | 100 | 100 | 73±4** | 63 | 104±6 | 100 | 40 | 16 | 0/5 | ||
| FA-5 | 60.7 | 35.5 | 0.9 | - | 50 | 4 | ± | 100 | 100 | 100 | 73±6** | 63 | 113±5 | 109 | 50 | 10 | 0/5 | ||
| FII | 100 | 100 | 67±4** | 55 | 77±5** | 64 | 100 | 100 | 5/5 | ||||||||||
| FII-1 | 77.0 | 10.3 | 6.9 | 2 | 1 | 2 | 3 | 100 | 1~3 | -21.1° | 100 | 100 | 120±4** | 99 | 110±7 | 91 | 100 | 100 | 5/5 |
| FIII-1 | 100 | 100 | 58±3** | 62 | 72±5** | 68 | 100 | 85 | 4/5 | ||||||||||
| FIII-1a | 92.0 | 9.7 | 6.9 | 8 | 13 | 8 | 5 | 100 | 200 | + 48.8° | 100 | 100 | 60±4** | 65 | 69±3** | 65 | 100 | 100 | 5/5 |
| FIII-1b | 95.0 | 13.0 | 2.5 | 4 | 7 | 2 | ± | 100 | 7~10 | + 28.9° | 100 | 100 | 90±7* | 80 | 106±4 | 99 | 100 | 100 | 5/5 |
| FIII-2 | 100 | 100 | 80±7** | 71 | 83±6** | 78 | 100 | 100 | 5/5 | ||||||||||
| FIII-2a | 32.0 | 5.2 | 40.6 | 12 | 16 | 14 | ± | 100 | 200 | -96.4° | 100 | 100 | 86±5** | 75 | 70±5** | 67 | 100 | 100 | 5/5 |
| FIII-2b | 61.0 | 7.6 | 17.5 | 27 | 26 | 18 | ± | 100 | 4~7 | + 7.6° | 100 | 100 | 72±2** | 63 | 81±4** | 78 | 100 | 100 | 5/5 |
| FIII-3 | 100 | 100 | 59±5** | 51 | 86±3* | 83 | 100 | 100 | 5/5 | ||||||||||
| FIII-3a | 66.0 | 9.1 | 6.2 | 8 | 9 | 11 | 2 | 100 | 3~6 | -11.6° | 100 | 100 | 60±1 | 60 | 80±3** | 75 | 100 | 100 | 5/5 |
| a FA: Water-soluble acidic heteroglycan fractions. | e Molar ratio determined as alditol acetates by GLC. | ||||||||||||||||||
| FII: 3% NH4-oxalate soluble heteroglycan fractions. | f Measured by a gel filtration method. | ||||||||||||||||||
| FIII: 5% NaOH soluble peptideglycan fractions. | g Time after administration. | ||||||||||||||||||
| b Calculated as glucose by the phenol-sulfuric acid method. | h Plasma glucose level at 0 h: 140 - 170 mg/dl. | ||||||||||||||||||
| c Calculated as glucuronic acid by a modified carbazol method. | i Significantly different from control, *P < 0.05, **P < 0.01, n = 5. | ||||||||||||||||||
| d Lowry method or Kjeldahl method (N x 6.25). | j Sarcoma 180/mice, i.p. method | ||||||||||||||||||