One of the most familiar fruits in the world, sweet orange is grown throughout many warm regions of the globe, notably Brazil, and, in the United States, California and Florida. The essential oil of the wonderfully round and juice-filled fruit comes from its pleasing orange peel and bears a sweet, citrusy and refreshing fragrance. This variety of orange is related to, but not the same as, bitter orange (Citrus aurantium), which yields its signature tart oil, as well as petitgrain and neroli. Aroma Medium. Tangy and sweet. Sweet Orange Essential Oil Benefits Eases occasional stress and tension. Uplifts moods and promotes positive thinking and optimism. Gently stimulating. History of Sweet Orange A truly international fruit, revered and readily used throughout the world, sweet orange is a part of almost every culture, with China and other countries acknowledging it as a cherished symbol of good fortune. Regularly found in many nations both as both fresh fruit and juice, orange is believed to have originated in Asia, but by the 1600s, it was renowned and prized in Europe as well. Admired for its qualities, orange has also been used to help ease occasional stress, reinforcing its associations with a sunny, happy state of mind.