Author: Ayrle, Hannah; Mevissen, Meike; Kaske, Martin; Nathues, Heiko; Gruetzner, Niels; Melzig, Matthias; Walkenhorst, Michael
Title: Medicinal plants – prophylactic and therapeutic options for gastrointestinal and respiratory diseases in calves and piglets? A systematic review Document date: 2016_6_6
ID: 1qs322ea_46
Snippet: Camellia sinensis (L.) KUNTZE seems to be useful for treatment of diarrhea as well as for stimulation of the immune system. Main constituents are polyphenolic compounds (up to 25 % catechin derivatives in non-fermented plants, e.g. epigallocatechin), purine alkaloids (caffeine, theobromine, theophylline) and flavonoids [123] . Some clinical studies reported beneficial effects of Camellia sinensis (L.) KUNTZE on gut health as indicated by a reduce.....
Document: Camellia sinensis (L.) KUNTZE seems to be useful for treatment of diarrhea as well as for stimulation of the immune system. Main constituents are polyphenolic compounds (up to 25 % catechin derivatives in non-fermented plants, e.g. epigallocatechin), purine alkaloids (caffeine, theobromine, theophylline) and flavonoids [123] . Some clinical studies reported beneficial effects of Camellia sinensis (L.) KUNTZE on gut health as indicated by a reduced prevalence of postweaning diarrhea in piglets, but also a decrease in growth performance [124] . An experimental trial on a diet with Camellia sinensis (L.) KUNTZE whole plant extract revealed a significant decrease of Clostridia counts, but also of Enterococci counts in the feces of piglets compared to a standard diet with antibiotics [125] . Two in vivo studies showed also anti-influenza virus activity in mice [126] and chicken [127] , which might be due to an inhibition of virus adsorption [126] . Fifteen in vitro and five in vivo studies demonstrated antioxidative [128] [129] [130] and antiinflammatory [131, 132] effects and a modulation of the immune system [133, 134] . No studies were found disproving these effects. In mice, the intake of a concentrated extract of Camellia sinensis (L.) KUNTZE did not lead to unwanted adverse effects [135] . Despite that Camellia sinensis (L.) KUNTZE is known to be fairly devoid of unwanted effects, some reports on liver damage related to the intake of Camellia sinensis (L.) KUNTZE extract are available [136, 137] . In summary, most reports state that safety of Camellia sinensis (L.) KUNTZE extract can be supposed, if used appropriately to the recommendations [136] . Therefore, Camellia sinensis (L.) KUNTZE bears a reliable potential for prophylaxis and therapy of diseases in calves and piglets.
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