What Kohjin Life Sciences Co. does

Kohjin Life Sciences Co., Ltd. (興人ライフサイエンス株式会社) is a Japan-based B2B ingredient manufacturer that produces yeast extracts, nucleotides, glutathione, and protein-rich yeast derivatives for downstream industrial customers. Its primary customer segments are food manufacturers (umami and taste-modulation ingredients for soups, sauces, seasonings, dairy, and beverages), nutraceutical and health-food manufacturers (nucleotide-rich and glutathione ingredients for dietary supplements, infant formula, and beauty-from-within applications), and pharmaceutical and animal-feed producers (glutathione as a pharmaceutical API and KR Yeast as a high-protein aquaculture and livestock feed ingredient). The company operates as the dedicated fermentation and production subsidiary of Mitsubishi Corporation Life Sciences Limited, the consolidated life-sciences platform of the Mitsubishi Corporation group.

The company's technology base is built on proprietary Torula yeast (Cyberlindnera jadinii) fermentation developed over more than 70 years, anchored at the Saiki Plant in Oita Prefecture, which houses one of the world's largest continuous fermentation facilities. From this base it has built a trademarked product portfolio across three categories: food ingredients (AROMILD™, AJITOP™, AJIREX™ LK, AJIREX™ NH, AROMAWAY™) that target front, middle, and after-taste umami profiles; health-food ingredients (NUCLEAMINE™, a nucleotide-and-polyamine-rich extract at over 35% nucleotide content); and functional ingredients (OPITAC™ Glutathione — the only food-grade glutathione with U.S. FDA-Notified FULL GRAS status — and KR Yeast, a >47% protein dried Torula yeast product). The company maintains ISO9001, FSSC22000, KOSHER, and HALAL certifications and as of November 2025 holds an EcoVadis Gold sustainability rating.

The business model is direct B2B ingredient supply under individual manufacturer contracts, with pricing not publicly disclosed. Its end-customers are industrial — food, supplement, pharmaceutical, and feed manufacturers — rather than consumers, and commercial reach is supported by the broader Mitsubishi Corporation Life Sciences group's international entities, including MCLS Asia and MCLS Europe. Revenue model is hardware sales of fermentation-derived ingredient SKUs across three segments: food ingredient extracts (largest by SKU count), health-food nucleotides, and functional glutathione/feed materials. The company pursues incremental capacity additions at Saiki, periodic integration of affiliated entities into its legal structure (most recently Houkoku Kogyo Co., Ltd. in October 2025), and ESG certification progression to win multinational supply qualifications.

Name

Kohjin Life Sciences Co.

Legal name

KOHJIN Life Sciences Co., Ltd.

Website

https://kohjinls.com

Company type

Private

Founded year

2012

Operating status

Operating

Headcount range

11–50 employees

Short description

Kohjin Life Sciences Co., Ltd. is a Japanese B2B ingredient manufacturer producing yeast extracts, nucleotides, glutathione, and feed-grade yeast via proprietary Torula yeast fermentation at its Saiki plant for food, nutraceutical, pharmaceutical, and animal-feed manufacturers worldwide.

Ownership category

akta.pro rank

Product category

Yeast Extract Ingredients

NAICS

Spice and Extract Manufacturing (311942)

SIC

Miscellaneous Food Preparations & Kindred Products (2090)

akta.pro primary industry

Umami Enhancers & Savory Modulators (MSG, I+G, Yeast Extracts, HVP) (AFAJADAF)

akta.pro secondary industry

Yeast Products & Fermentation Metabolites (Yeast Culture, MOS/β-Glucans) (AFADALAM)

Keywords

• Yeast extract ingredients
• Torula yeast fermentation
• Food flavor enhancers
• Nutraceutical raw materials
• Glutathione production

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure

Revenue model

1. Yeast Extract Products: Manufacturing and selling various yeast extracts for food applications including AROMILD™, AJITOP™, AJIREX™, and AROMAWAY™. Revenue generated through direct B2B sales to food manufacturers as flavor enhancers and taste modulators.
2. Health Food Ingredients: Sale of NUCLEAMINE™ and other yeast-based health food materials to supplement and nutraceutical manufacturers.
3. Functional Ingredients: Production and sale of pharmaceutical raw materials (glutathione), biochemicals, and functional feed materials (KR Yeast) for aquaculture and livestock.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Kohjin Life Sciences Co., Ltd. manufactures and sells yeast extracts and derived ingredients produced through proprietary Torula yeast fermentation at its Saiki Plant. Its portfolio spans three categories: food ingredients (umami and taste-modulating extracts such as AROMILD, AJITOP, AJIREX LK/NH, AROMAWAY), health food ingredients (NUCLEAMINE nucleotide extract for supplements), and functional ingredients (OPITAC reduced glutathione for pharmaceuticals and nutraceuticals, KR Yeast for aquaculture and livestock feed). Customers are primarily B2B manufacturers across the food, nutraceutical, pharmaceutical, and animal feed industries.

Product overview

KOHJIN Life Sciences Co. is a life science company specializing in yeast fermentation technology, offering a portfolio of yeast extracts and derived ingredients across three categories: Food Ingredients (seasoning products for umami, body, and taste modulation), Health Food Ingredients (nucleotide and polyamine-rich supplements), and Functional Ingredients (pharmaceutical raw materials, biochemicals, and feed). The product portfolio centers on torula yeast (Cyberlindnera jadinii) fermentation, with flagship products including AROMILD™, AJITOP™, AJIREX™ LK, AJIREX™ NH, and AROMAWAY™ for food applications; NUCLEAMINE™ for health supplements; and OPITAC™ Glutathione and KR Yeast for pharmaceutical and feed applications. The company leverages over half a century of fermentation expertise with world-class continuous fermentation equipment.

Differentiator

Problem solved

Functional benefit

Brands

• OPITAC™ Glutathione: High-quality glutathione product for food & nutrition grade, the only ingredient of its kind to hold U.S. FDA-Notified FULL GRAS status
• NUCLEAMINE™
• AROMAWAY™
• AJIREX™ NH
• AJIREX™
• AJITOP™
• AROMILD™

Products and services

• AROMILD™ (アロマイルド®) High-nucleotide yeast extract containing over 25% of the three major umami components (inosine acid, guanylic acid, and glutamic acid). Provides sustained umami taste, adds roundness and expansion to flavor, and masks off-flavors. Targets the after-taste profile. Sold to food manufacturers.
• AJITOP™ (アジトップ®) Glutamic acid-rich yeast extract containing one of the three major umami components. Provides strong impact and expansion in front taste, enables front-taste complexity, and enhances material sensation through front-taste concentration. Sold to food manufacturers.
• AJIREX™ LK (アジレックス®LK) Peptide-rich yeast extract containing amino acids, peptides, and nucleotides in a well-balanced mix. Adds thickness and umami to taste, elevates base ingredients, and provides a saltiness enhancement effect. Sold to food manufacturers.
• AJIREX™ NH (アジレックス®NH) Taste modulator yeast extract rich in peptides and dietary fiber but without typical umami components like amino acids or nucleotides. Enhances creaminess, sweetness, saltiness, body sensation, and material taste while maintaining flavor balance. Sold to food manufacturers.
• AROMAWAY™ (アロマウェイ®) Whole Torula yeast powder used as a yeast seasoning containing amino acids, nucleotides, peptides, polysaccharides, and phospholipids from yeast cell walls. Boosts body, fattiness, and meatiness; integrates flavors of fermented foods like miso and doubanjiang. Sold to food manufacturers.
• NUCLEAMINE™ (ヌクレアミン®) Nucleotide (nucleic acid) and polyamine-rich yeast extract containing over 35% nucleotides. Used in infant milk formulas and dietary supplements for anti-aging and skin beauty benefits, intestinal health by increasing probiotic bacteria, and lipid metabolism promotion. Sold to health food and nutraceutical manufacturers.
• OPITAC™ Glutathione (グルタチオン（還元型）) Reduced glutathione (tripeptide of glutamic acid, cysteine, and glycine) produced through Torula yeast fermentation. The only food-grade glutathione ingredient with U.S. FDA-Notified FULL GRAS status, HALAL and KOSHER certified, and first to achieve JP and USP monograph designation. Used in functional foods, supplements, cosmetics, and as a pharmaceutical raw material. Sold to pharmaceutical, nutraceutical, and cosmetics manufacturers.
• KR Yeast (KR酵母) Purely cultivated Torula yeast dried product composed of high-quality protein (over 47% in dried form), with fat, vitamins, minerals, and glucan from cell walls. Used in aquaculture and livestock feed, as well as fermentation medium. Sold to feed producers.

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

One partnership is on record.

• Mitsubishi Corporation and affiliated group companiesminorOthersPersonal information shared under joint use agreement with Mitsubishi Corporation and group companies including Mitsubishi Corporation Life Sciences Holdings, MCLS Asia Co., Ltd., MCLS Europe B.V., and others for business operations purposes.

Scale indicators3 records

Recent moves8 records

Expansion highlights6 records

Broad incumbents

• Kerry Group: Irish taste and nutrition company with significant yeast extract and savory flavor capabilities. Comparable in B2B ingredient supply to food manufacturers, though much larger and more diversified globally.
• Lallemand: Canadian global yeast and fermentation specialist with yeast extract and nutritional yeast lines. Comparable in fermentation technology depth and B2B ingredient supply, with broader reach across food, beverage, and animal nutrition.
• Lesaffre: World's largest yeast producer with yeast extract lines (including BioSpringer) and broad fermentation expertise. Competes with Kohjin across food, nutrition, and animal feed yeast applications, and serves as a benchmark for global fermentation scale.
• DSM-Firmenich: Global ingredients major covering taste, nutrition, and health. Overlaps with Kohjin in savory flavors, nucleotides, and bioactive ingredients, and serves as a global benchmark for B2B ingredient scale and regulatory reach.
• Angel Yeast Co., Ltd. Chinese yeast and yeast extract producer with massive scale and aggressive cost positioning. A key global competitor in commodity yeast extracts and a price benchmark for Kohjin's AROMILD/AJITOP lines.
• Ajinomoto Co., Inc. Japanese umami and seasoning giant (MSG/AJI-NO-MOTO) that competes broadly in savory taste enhancement. While Kohjin offers a more natural yeast-extract alternative, Ajinomoto is the dominant incumbent in the umami and nucleotide flavor space Kohjin addresses.

Direct peers

• Oriental Yeast Co., Ltd. Japan-based yeast and biotechnology company directly competing with Kohjin in the domestic yeast extract market for food, health, and biotech applications. Highly comparable product mix and customer base in Japan.
• Ohly: Hamburg-based yeast extract producer (owned by Associated British Foods) that directly competes with Kohjin's AROMILD/AJITOP/AJIREX portfolio in savory flavor ingredients for the food industry, serving similar B2B customers with yeast-based taste solutions.
• Phileo by Lesaffre: Lesaffre's animal nutrition and health division producing yeast-based feed solutions including probiotics, yeast cultures, and fermentation metabolites. Directly competes with Kohjin's KR Yeast offering for aquaculture and livestock.
• Alltech: Global animal nutrition and feed additive company with a strong yeast-based product line including yeast cultures and fermentation metabolites. Directly comparable to Kohjin's KR Yeast feed business targeting aquaculture and livestock.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Kohjin Life Sciences Co.