Some of these sensations may be referred to as spiciness, pungency, or piquancy. While using human testers, it measured pungency, or "spiciness", of various chili peppers. Roasting or heating the seeds in a dry pan heightens the flavour, aroma, and pungency. Zingerone is produced from gingerols during drying, having lower pungency and a spicy-sweet aroma. "Capsicum" chili peppers are commonly used to add pungency in cuisines worldwide. Acoma Pueblo chile is mild, with a lightly flavorful pungency. Because of this instability, horseradish sauces lack the pungency of the freshly crushed roots. The pungency of chilies may be an adaptive response to microbial pathogens. Like "Piper nigrum", the fruits contain the alkaloid piperine, which contributes to their pungency. Pepper pungency is measured in Scoville Heat Units (SHU). Jaggery is used extensively in South India to balance the pungency of spicy foods. The same compound is responsible for the pungency of horseradish and mustard. The odor is associated with the glucosinolate sinigrin, a sulfur compound having characteristic pungency. Plants of this genus are remarkable for their pungency and aromatic properties. The pod of the pepper has also been noted for its pungency.