Ishikawa Prefectural University

Characterization of Vitamin B12 Levels and Compounds in Commercial and Homemade Kombucha

Abstract Vitamin B12 is an essential nutrient produced only by certain bacteria and archaea. Kombucha has been promoted as a plant-based source of vitamin B12 to overcome the risk of deficiency associated with vegetarian diets. In this study, the vitamin B12 content of commercial...

Snowmelt Contribution to Streamflow in a Heavy-Snowfall Basin in Japan: A SWAT+ Modeling Study

In heavy-snowfall mountain basins, seasonal snowpack acts as an important reservoir for winter precipitation, yet applications of SWAT+ to such basins on the Sea of Japan side remain limited. We developed a SWAT+ model for the Tedori River Basin (691 km2) in Ishikawa Prefecture,...

Fusarium oxysporum f. sp. crypti , a novel forma specialis causing Fusarium wilt of mitsuba, Cryptotaenia japonica

Fusarium oxysporum isolates causing Fusarium wilt in mitsuba (Cryptotaenia japonica Hassk.; also referred to as Japanese honeywort, Japanese honewort, or Japanese parsley) have traditionally been classified as f. sp. apii. However, some reports have indicated that the host-pathog...

Cobamide Fingerprinting Reveals Nutritional Diversity of Vitamin B12 in Edible Shellfish

In edible shellfish, vitamin B12 content has traditionally been evaluated based on total content; however, recent studies reveal substantial diversity in corrinoid composition among species. This review integrates molecular and ecological perspectives to reassess vitamin B12 leve...