Category: cosmetic ingredient for skin conditioning. Recommendation for garcinia atroviridis fruit extract usage levels up to: not for fragrance use. The potency of potassium hydroxycitrate derived from gelugur fruit (Garcinia atroviridis) in reducing body weight and cholesterol levels in rats. Hayati (Indonesia). Garcinia atroviridis is a small to medium-sized perennial fruit tree that is endemic in tropical Peninsular Malaysia and southern part of Thailand.