A Novel Functional Ingredient Derived From a Mixture of Mulberry (Morus alba L.) Leaves and Butterfly Pea (Clitoria ternatea L.) Flowers Enhances Rapid Eye Movement Sleep, Cognitive Function, and Anxiolytic Behavior via GABAA Receptor‐Dependent Mechanism in Rats
Jakkrit Nukitram, Aonvara Kanjanavattana, Panlekha Rungruang, Nattaporn Yotyatthai, Pannita Kaewudom, Pichayapa Promkasikorn, Patharakan Kaowsuwan, Nobuhiro Zaima, Dania Cheaha, Wipawee Thukhammee, Jintanaporn Wattanathorn
TL;DR
A mix of mulberry leaves and butterfly pea flowers improves sleep and cognitive function in rats through GABAA receptors.
Contribution
A 3:1 mulberry-to-butterfly pea extract shows enhanced neuropharmacological effects via GABAA receptor activation.
Findings
MACT at 3:1 ratio showed highest antioxidant and GABA-promoting activity in vitro.
MACT improved REM sleep, cognitive function, and anxiolytic behavior in a dose-dependent manner.
Effects of MACT were reversed by a GABAA receptor antagonist, indicating receptor dependency.
Abstract
The neuropharmacological benefits for sleep quality and mental health from the extracts of Morus alba L. leaves (MA) and Clitoria ternatea L. flowers (CT) have been revealed previously. However, due to synergistic interactions of polyherbal ingredients, the positive effects of MA mixed with CT are still controversial. Preliminary outcomes from in vitro assessment exposed that a 3:1 ratio of MA:CT (MACT) yielded the highest antioxidant capacity and gamma‐aminobutyric acid (GABA)‐promoting activity among seven combination ratios: 0MA:1CT, 1MA:0CT, 1MA:1CT, 1MA:2CT, 1MA:3CT, 2MA:1CT, and 3MA:1CT. Male Wistar rats (n = 6/group) were electroencephalographically and electromyographically monitored to confirm the sedative‐hypnotic function of the assigned ingredients over 3 h after oral administration. Cognitive and anxiolytic effects were also evaluated thereafter. Following drug…
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Taxonomy
TopicsMedicinal Plants and Neuroprotection · GABA and Rice Research · Medicinal Plant Extracts Effects