Rumi Mastagi – Pistacia lentiscus gum resin is used for its medicinal properties. It is an aphrodisiac and useful in liver disorders, burn wounds etc. 
Botanical name- Pistacia lentiscus Linn
Family-Anacardaceae.

Vernacular names

Names in different languages:
English name- Mastic
Gum is called Mastic tears of Chios
Hindi name-Matagi
Arabic name- Alkakhmi
Sanskrit Synonyms- Mastaki

Uses

Rumi Mastagi Uses:
Strengthens the teeth
Balances Kapha dosha 
Vrushya – aphrodisiac
Grahi – absorbent, bowel binding, useful in IBS, diarrhoea
Deepana – improves digestion strength  

It is used in treating gastrointestinal ailments, high blood pressure, heart ailments, peptic ulcers,
Mastic oil is used in treating bacterial and fungal infections and is used in preparing ointments.