Study on nutritional components of three common wild commercial lactarius in guizhou, China

Abstract

In order to promote the commercial utilization of wild edible fungi resources, the nutritional value of wild Lactarius vividus, L. hatsudake and Lactifluus volemus with good industrialization potential was studied. The water, ash, crude fat, crude protein, crude polysaccharide, amino acid, vitamin and mineral elements were detected by the methods of national standard. The results showed that the crude protein of the three Lactarius ranged from 15.8 to 36.9 g/100g, crude polysaccharide from 2.2 to 4.5 g/100g, ash from 2.6 to 12 g/100g, crude fat from 1 to 4 g/100g, essential amino acids from 2320 to 4492 mg/100g. The crude protein, crude polysaccharide, crude fat and essential amino acid contents of Lf. volemus were significantly higher than those of L. vividus and L. hatsudake, but the latter two were better than Lf. volemus in terms of mineral elements and vitamin contents. Through principal component analysis, Lf. volemus obtained a higher comprehensve score. In terms of function, the intelligence effect, weight loss effect and selenium-rich ability of Lf. volemus are better than those of L. vividus and L. hatsudake. The results provide a basis and reference for the development and utilization of these three kinds of Lactarius and the development of large health industry.