diff --git a/src/lib/server/parsers/ingredient.ts b/src/lib/server/parsers/ingredient.ts
index 1e2ae43..51230fc 100644
--- a/src/lib/server/parsers/ingredient.ts
+++ b/src/lib/server/parsers/ingredient.ts
@@ -28,6 +28,42 @@ const FRACTION_MAP: Record<string, number> = {
   '3/4': 0.75
 };
 
+// Vulgar-Fraction-Codepoints — kommen in deutschsprachigen Rezept-Quellen
+// regelmäßig vor (Chefkoch et al. liefern sie vereinzelt, mehr aber bei
+// Apple's Food App, Fork etc.).
+const UNICODE_FRACTION_MAP: Record<string, number> = {
+  '\u00BD': 0.5, // ½
+  '\u00BC': 0.25, // ¼
+  '\u00BE': 0.75, // ¾
+  '\u2150': 1 / 7,
+  '\u2151': 1 / 9,
+  '\u2152': 1 / 10,
+  '\u2153': 1 / 3, // ⅓
+  '\u2154': 2 / 3, // ⅔
+  '\u2155': 0.2, // ⅕
+  '\u2156': 0.4, // ⅖
+  '\u2157': 0.6, // ⅗
+  '\u2158': 0.8, // ⅘
+  '\u2159': 1 / 6, // ⅙
+  '\u215A': 5 / 6, // ⅚
+  '\u215B': 0.125, // ⅛
+  '\u215C': 0.375, // ⅜
+  '\u215D': 0.625, // ⅝
+  '\u215E': 0.875 // ⅞
+};
+
+// Mengen außerhalb dieses Bereichs sind fast sicher ein Parse-Müll
+// (z. B. Microformat-Date oder Telefon-Nummer in einem JSON-LD-Quantity-
+// Feld). Wir geben null zurück, raw_text bleibt für die UI erhalten.
+const MAX_REASONABLE_QTY = 10000;
+
+function clampQuantity(n: number | null): number | null {
+  if (n === null || !Number.isFinite(n)) return null;
+  if (n <= 0) return null;
+  if (n > MAX_REASONABLE_QTY) return null;
+  return n;
+}
+
 function parseQuantity(raw: string): number | null {
   const trimmed = raw.trim();
   if (FRACTION_MAP[trimmed] !== undefined) return FRACTION_MAP[trimmed];
@@ -39,6 +75,16 @@ function parseQuantity(raw: string): number | null {
   return Number.isFinite(num) ? num : null;
 }
 
+// Splits "TL Salz" → unit "TL", name "Salz"; "Zitrone" → unit null, name "Zitrone".
+function splitUnitAndName(rest: string): { unit: string | null; name: string } {
+  const trimmed = rest.trim();
+  const firstTokenMatch = /^(\S+)\s+(.+)$/.exec(trimmed);
+  if (firstTokenMatch && UNITS.has(firstTokenMatch[1])) {
+    return { unit: firstTokenMatch[1], name: firstTokenMatch[2].trim() };
+  }
+  return { unit: null, name: trimmed };
+}
+
 export function parseIngredient(raw: string, position = 0): Ingredient {
   const rawText = raw.trim();
   let working = rawText;
@@ -51,18 +97,24 @@ export function parseIngredient(raw: string, position = 0): Ingredient {
     ).trim();
   }
 
+  // Unicode-Bruch am Anfang? Dann das eine Zeichen als Menge nehmen
+  // und den Rest wie üblich in Unit + Name aufteilen.
+  const firstChar = working.charAt(0);
+  if (UNICODE_FRACTION_MAP[firstChar] !== undefined) {
+    const tail = working.slice(1).trimStart();
+    if (tail.length > 0) {
+      const quantity = clampQuantity(UNICODE_FRACTION_MAP[firstChar]);
+      const { unit, name } = splitUnitAndName(tail);
+      return { position, quantity, unit, name, note, raw_text: rawText };
+    }
+  }
+
   const qtyPattern = /^((?:\d+[.,]?\d*(?:\s*[-–]\s*\d+[.,]?\d*)?)|(?:\d+\/\d+))\s+(.+)$/;
   const qtyMatch = qtyPattern.exec(working);
   if (!qtyMatch) {
     return { position, quantity: null, unit: null, name: working, note, raw_text: rawText };
   }
-  const quantity = parseQuantity(qtyMatch[1]);
-  let rest = qtyMatch[2].trim();
-  let unit: string | null = null;
-  const firstTokenMatch = /^(\S+)\s+(.+)$/.exec(rest);
-  if (firstTokenMatch && UNITS.has(firstTokenMatch[1])) {
-    unit = firstTokenMatch[1];
-    rest = firstTokenMatch[2].trim();
-  }
-  return { position, quantity, unit, name: rest, note, raw_text: rawText };
+  const quantity = clampQuantity(parseQuantity(qtyMatch[1]));
+  const { unit, name } = splitUnitAndName(qtyMatch[2]);
+  return { position, quantity, unit, name, note, raw_text: rawText };
 }
diff --git a/tests/unit/ingredient.test.ts b/tests/unit/ingredient.test.ts
index 4fbc73a..cc3495c 100644
--- a/tests/unit/ingredient.test.ts
+++ b/tests/unit/ingredient.test.ts
@@ -39,4 +39,66 @@ describe('parseIngredient', () => {
     expect(p.quantity).toBe(2);
     expect(p.name).toBe('Tomaten');
   });
+
+  describe('Unicode-Bruchzeichen', () => {
+    it.each([
+      ['½ TL Salz', 0.5, 'TL', 'Salz'],
+      ['¼ kg Zucker', 0.25, 'kg', 'Zucker'],
+      ['¾ l Milch', 0.75, 'l', 'Milch'],
+      ['⅓ Tasse Mehl', 1 / 3, 'Tasse', 'Mehl'],
+      ['⅔ TL Pfeffer', 2 / 3, 'TL', 'Pfeffer'],
+      ['⅛ TL Muskat', 0.125, 'TL', 'Muskat']
+    ] as const)('%s', (input, qty, unit, name) => {
+      const p = parseIngredient(input);
+      expect(p.quantity).toBeCloseTo(qty, 5);
+      expect(p.unit).toBe(unit);
+      expect(p.name).toBe(name);
+    });
+
+    it('Unicode-Bruch ohne Unit', () => {
+      const p = parseIngredient('½ Zitrone');
+      expect(p.quantity).toBeCloseTo(0.5, 5);
+      expect(p.unit).toBe(null);
+      expect(p.name).toBe('Zitrone');
+    });
+  });
+
+  describe('Mengen-Plausibilitaet (Bounds)', () => {
+    it('weist 0 als Menge ab → quantity null', () => {
+      const p = parseIngredient('0 g Mehl');
+      expect(p.quantity).toBe(null);
+      // name bleibt das was nach der "0" kommt — Importer muss das nicht
+      // perfekt rekonstruieren, der raw_text bleibt erhalten.
+      expect(p.raw_text).toBe('0 g Mehl');
+    });
+
+    it('weist negative Menge ab', () => {
+      // "-1 EL Öl" — Minus führt regex direkt ins Fallback (kein \d am Start),
+      // also bleibt name = full text.
+      const p = parseIngredient('-1 EL Öl');
+      expect(p.quantity).toBe(null);
+    });
+
+    it('weist Menge > 10000 ab', () => {
+      const p = parseIngredient('99999 g Hokuspokus');
+      expect(p.quantity).toBe(null);
+    });
+
+    it('akzeptiert die Obergrenze 10000 selbst', () => {
+      const p = parseIngredient('10000 g Mehl');
+      expect(p.quantity).toBe(10000);
+    });
+
+    it('akzeptiert führende Null bei Dezimalbrüchen', () => {
+      const p = parseIngredient('0.5 kg Salz');
+      expect(p.quantity).toBe(0.5);
+      expect(p.unit).toBe('kg');
+    });
+
+    it('akzeptiert deutsche führende Null', () => {
+      const p = parseIngredient('0,25 l Wasser');
+      expect(p.quantity).toBe(0.25);
+      expect(p.unit).toBe('l');
+    });
+  });
 });