Study: NCT02253628

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Cold espresso
Description: Volunteers consumed cold espresso with 160 mg caffeine. Salivary gastrin, alpha-amylase and cortisol and self-reported GI symptoms and stress were collected at fasting and postprandially.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Cold espresso
Description: Volunteers consumed cold espresso with 160 mg caffeine. Salivary gastrin, alpha-amylase and cortisol and self-reported GI symptoms and stress were collected at fasting and postprandially.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Cold espresso
Description: Volunteers consumed cold espresso with 160 mg caffeine. Salivary gastrin, alpha-amylase and cortisol and self-reported GI symptoms and stress were collected at fasting and postprandially.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Cold espresso
Description: Volunteers consumed cold espresso with 160 mg caffeine. Salivary gastrin, alpha-amylase and cortisol and self-reported GI symptoms and stress were collected at fasting and postprandially.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Hot instant coffee
Description: Volunteers consumed hot instant coffee with 160 mg caffeine. Salivary gastrin, alpha-amylase and cortisol and self-reported GI symptoms and stress were collected at fasting and postprandially.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Hot instant coffee
Description: Volunteers consumed hot instant coffee with 160 mg caffeine. Salivary gastrin, alpha-amylase and cortisol and self-reported GI symptoms and stress were collected at fasting and postprandially.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Hot instant coffee
Description: Volunteers consumed hot instant coffee with 160 mg caffeine. Salivary gastrin, alpha-amylase and cortisol and self-reported GI symptoms and stress were collected at fasting and postprandially.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Hot instant coffee
Description: Volunteers consumed hot instant coffee with 160 mg caffeine. Salivary gastrin, alpha-amylase and cortisol and self-reported GI symptoms and stress were collected at fasting and postprandially.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Cold instant coffee
Description: Volunteers consumed cold instant coffee with 160 mg caffeine. Salivary gastrin, alpha-amylase and cortisol and self-reported GI symptoms and stress were collected at fasting and postprandially.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Cold instant coffee
Description: Volunteers consumed cold instant coffee with 160 mg caffeine. Salivary gastrin, alpha-amylase and cortisol and self-reported GI symptoms and stress were collected at fasting and postprandially.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Cold instant coffee
Description: Volunteers consumed cold instant coffee with 160 mg caffeine. Salivary gastrin, alpha-amylase and cortisol and self-reported GI symptoms and stress were collected at fasting and postprandially.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Cold instant coffee
Description: Volunteers consumed cold instant coffee with 160 mg caffeine. Salivary gastrin, alpha-amylase and cortisol and self-reported GI symptoms and stress were collected at fasting and postprandially.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Hot filter coffee
Description: Volunteers consumed hot filter coffee with 160 mg caffeine. Salivary gastrin, alpha-amylase and cortisol and self-reported GI symptoms and stress were collected at fasting and postprandially.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Hot filter coffee
Description: Volunteers consumed hot filter coffee with 160 mg caffeine. Salivary gastrin, alpha-amylase and cortisol and self-reported GI symptoms and stress were collected at fasting and postprandially.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Hot filter coffee
Description: Volunteers consumed hot filter coffee with 160 mg caffeine. Salivary gastrin, alpha-amylase and cortisol and self-reported GI symptoms and stress were collected at fasting and postprandially.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Hot filter coffee
Description: Volunteers consumed hot filter coffee with 160 mg caffeine. Salivary gastrin, alpha-amylase and cortisol and self-reported GI symptoms and stress were collected at fasting and postprandially.