Kombucha tea from seagrapes (Caulerpa racemosa) potential as a functional anti-ageing food: in vitro and in vivo study

Abstract

This study wants to investigate the effects of kombucha tea based on seagrapes on blood glucose levels, total cholesterol, and PGC-1α in Swiss albino mice that were given cholesterol- and fat-enriched diets (CFED). Anti-glycation, tyrosinase inhibitory, and α-glucosidase inhibitory activity were also determined. Forty male swiss webster albino mice weighing between 20 g-30 g were used for this study. Animals were distributed in random into 4 groups of 10 animals each; group A served as normal control (received standard dry pellet diet), group B were fed on CFED for 4 weeks, and groups C and D were fed on CFED and were administered 150 and 300 mg/kg of kombucha tea from seagrapes (Caulerpa racemosa) (p.o.). In vitro study show that the activity of anti-glycation, L-Tyrosine, L-Dopa, α-glucosidase, and α-amylase inhibition were 62.79 ± 0.78, 9.05 ± 0.16, 27.14 ± 1.62, 90.42 ± 0.77, and 80.44 ± 1.00, respectively. Group C has a better activity in increasing PGC-1-alpha serum in mice than group D (p < 0.05). There were no meaningful differences between group C and D in blood cholesterol and blood glucose reduction (p = 0.222), both groups have the same effect in lowering total cholesterol and blood glucose in mice. In conclusion, kombucha tea from seagrapes has potential as an anti-ageing functional food.

Keywords: Anti-ageing; Anti-glycation; Blood glucose; Caulerpa racemosa; Functional food; PGC1α; Total cholesterol; Tyrosinase inhibitory; α-glucosidase.

Figure 1

Both doses of seagrapes kombucha tea significantly reduce blood glucose.

Figure 2

Both doses of seagrapes kombucha tea significantly reduce blood cholesterol.

Figure 3

The low dose of seagrapes kombucha tea is more effective in significantly increasing PGC-1α.

Figure 4

Effects of Kombucha tea from Caulerpa racemosa on subject mice.

Figure 5

In vitro effects of seagrapes Kombucha tea in ageing.