Delay of lymphatic triglyceride absorption by oolong
tea and OTPP in rats cannulated in the thoracic duct
Lymph flow rates were maintained at almost constant
levels (median of flow rate, 5.5 ml/h), and no differences
were observed in rate of flow among the
experimental groups (data not shown). Lymphatic
recovery of triglycerides in rats cannulated in the
thoracic duct was delayed by the administration of
oolong tea extract at 100 mg and 200 mg per head, more
effectively than with green tea extract (Fig. 1). Table 2
shows the lymphatic recoveries of triglycerides at 3,
5, and 24 h after administration of test emulsions.
Lymphatic absorption of triglyceride was significantly
decreased, by 22% (P < 0:05), during the initial 5 h after
administration in the 100 mg oolong tea group. This was
extent comparable to that in the 200 mg green tea group
(19%; P < 0:01). OTPP lowered lymphatic absorption