Effect of beta-cryptoxanthin on female students during pharmacy practice

Effect of beta-cryptoxanthin on female students during pharmacy practice - Anti-stress effect of beta-cryptoxanthin in female

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000021775

Enrollment

Registered

2016-05-01

Start date

2016-04-27

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Stress

Interventions

Japanese mandarin orange juice containing beta-cryptoxanthin (125 mL) for 13 days Placebo orange juice (125 mL) for 13 days

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Female students of pharmaceutical sciences in the 5th grade, non-smoker. Obtained written informed consent from the student before participation. Possible to take a pack of Japanese mandarin orange juice (125 ml) for 13 days. Possible to check salivary amylase activity two times daily for 6 days.

Exclusion criteria

Exclusion criteria: Taking tranquilizer(s) Smoker Allergy against orange Diagnosed as inadequate to participate in the study by a doctor

Design outcomes

Primary

Measure	Time frame
Alteration in salivary amylase activity in students during pharmacy practice for 6 days.	—

Secondary

Measure	Time frame
Physical condition, Sleeping time, State-trait anxiety inventory (STAI) test, replying to a questionnaire (subjective stress, achievement emotion)	—

Countries

Japan

Contacts

Public ContactKeiko Unno

University of Shizuoka School of Pharmaceutical Sciences

unno@u-shizuoka-ken.ac.jp054-264-5731

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026