“…NGO THI CAM QUYEN 1,2 , TRAN THI KIM NGAN 2,3 , TAN PHAT DAO 1,2 , PHAN NGUYEN QUYNH ANH 4 , NGO QUOC ANH 5,6 , NGOC-TRAM NGUYEN THI 7 , THUY TRANG LE NGOC 8 , LE THI HONG NHAN 4,* , TRAN THANH TRUC 9 and LE THI BICH PHUONG 9,* limonene accounted for over 90 % of the total essential oil content and is widely used sprayed in food, pharmaceuticals, and cosmetics [15][16][17][18][19][20][21][22]. In Vietnam, especially in Mekong Delta, kumquat trees are a species of citrus species, the typical family of Rutaceae, grown throughout the place.…”